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Invacare ® TDX-SP / TDX

1. sscsseeeeeeeeseees 11 3 Tightening torques 13 4 Layout of components and componentry 14 4 1 OVETVIC W roiie iiaa aan a e a a a a E aaa 14 4 2 BICCIFOMIC MOGUICS siirre aaa E NE E a AE AN AEEA PANE ENED 16 4 2 1 ACS 2 electronic Module israe e e a ee E a aE Ea E E 18 4 2 2 ACS 2 PMAQOL electronic MOCUIE cccccceccccceeeccecaeeeceeeeeeceeseeeceesseeeessaeeeeesseeeeeas 18 4 2 3 Shark electronic MOQUE ccc ccceeecccceesceeceeeeeeeceeeceeceeeeceeseeeceeseueeesseeeessaeeeeesaaeeeeeas 18 4 2 3 1 Snark WIA GI T2 pOl Enen ieee erin aaa eared a 18 424 AGT aChuator mod le nenea a a eels 18 4 2 4 1 AGT 2 actuator MOJU aaia a a Pndesietoacees 19 4 2 4 2 ACGTAactuator MOUE n n a a a a e a 19 42o EJMI PO B codi e a a a utentdhabasinaboi 19 5 Service plan 1x annually 20 6 Operational faults 23 6 1 Drive faul diagnosi Siscie aaa a a a Oa a a E 24 6 2 REM remotes Error codes and diagnostic codes ssssssnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn nnnm 28 6 3 Shark Il remote Error codes and diagnostic codes ccccceeeseeesteeseeseenseeeeeeneeseeeaeeeseenseeses 30 6 4 Diagnosis of charging device faults n snnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn nnmnnn 31 7 Test procedures 32 7 1 Testing the MOTOT irii e a a aa a cukeed scuumeaaadebiiaieteu 32 7 2 Testing the electro mechanical parking Drake cccccecsseeseesseeeeeeneeeeeenseeseenseeseeeseessoennenses 33 8 Repair work 35 8 1
2. 25 Invacare TDX SP TDX SP N SERVICE MANUAL PROBLEM OTHER DOCUMENTATION SYMPTOMS HONI CAUSE SOLUTION Electronic module Replacing the See chapter 8 2 2 defective electronic module Corroded See chapter 8 4 7 Water salt or urine has replace if penetrated necessary Clutch es Replace clutch See chapter defective 8 14 4 8 14 5 Bearing defective Replacing the See chapter motor 8 14 1 8 14 2 Collector Measure internal See chapters 7 1 defective resistance of and 8 14 1 8 14 2 motor replace motor if defective Clutch es Replace clutch See chapter defective 8 14 4 8 14 5 Bearing defective Replacing the See chapters motor 8 14 1 8 14 2 and 8 14 4 8 14 5 See chapters 8 14 1 8 14 2 and 8 14 4 8 14 5 See chapters 8 14 1 8 14 2 and 8 14 4 8 14 5 See chapter 8 14 1 8 14 2 Check cabling contacts Motor makes None clicking noise Scraping None noise or motor blocked Transmission defective Replace transmission Transmission defective Replace transmission Transmission None makes clicking noise Drive wheel loose Tighten drive wheel secure bolts with Loctite if necessary None Sealing ring on drive shaft defective Replace transmission if sealing ring defective See chapters 8 14 1 8 14 2 and 8 14 4 8 14 5 Transmission losing oil 26 m E Check carbon brushes for oil wetting replace motor if br
3. e Testall functions of the wheelchair 8 22 4 Replacing an electric legrest actuator WARNING Danger of crushing The legrest is very heavy Danger of injury to hands and feet Pay attention to the heavy weight Requirements e 1 2 socket wrench e 3 8 Allen key e Side cutting pliers e Cable ties yi Tay ba 160 Uninstalling the electrically operated legrest e f possible raise the lifter to the highest position e f possible tip the wheelchair with the tilt module as far backwards as it will go e Switch the electronic control system off The actuator module for the lifter and the tilt actuator are mounted to the front edge of the seat frame e Completely remove both knurled head screws 1 including the washers e Remove the cover 2 e Pull the plug of the legrest actuator out of the actuator module Invacare TDX SP TDX SP N SERVICE MANUAL e Use the 3 8 Allen key and a 1 2 socket wrench to loosen the screw 3 e Use the 3 8 Allen key and a 1 2 socket wrench to loosen the screw 1 e Remove the nuts including the washers but leave the screw inserted in the screw hole do not pull it completely out e Pull the actuator 2 toward the side off of the screws 1 and 3 e Replace the actuator Installing the electrically operated legrest e Assemble the parts in reverse order e Testall functions of the wheelchair 161 SERVICE MANUAL Invacare TDX SP TDX SP N
4. Note To replace the fuse the battery cable with the fuse attached to it must be replaced e Replace the battery cables as described in chapter 8 4 3 59 SERVICE MANUAL Invacare TDX SP TDX SP N 8 4 7 Checking the cable AS Requirements sa e 5 8 Allen key e Phillips screwdriver size 2 e oblique pliers e cable ties e Remove the cover panels disconnect the battery plugs and pull the batteries out of the battery compartment as described in Chapter 8 4 1 e Check the fuse cable 1 battery cable 2 and the battery plug 3 for visible damage and crushing locations e Replace any damaged cables Note The following figure shows checking of the cables using the ACS electronic module as an example The position of the plugs is different for other electronic modules The procedure for checking is otherwise identical The position of the plugs is described in Chapter 4 2 60 Invacare TDX SP TDX SP N SERVICE MANUAL e Check all cables for visible damage and crushing locations Replace any damaged cables e Pull each plug 1 carefully The plug should not come out of the socket e f one of the plugs is loose press it back into the socket with light pressure The plug must engage e Checked to ensure that the plug is now firmly in its socket If not repeat the previous operation e Refit the parts in reverse order e Check all vehicle functions 61 SERVICE MANUAL Invacare TDX SP
5. cccccssssceccseeecceeseeeeseeseeeseseeesseeeeeees 49 8 3 Updating the driving Program cicwessctvesei sd cccrcerecatueccuccandececeusans ddeuustvevwdeunuaautvenscnuiveeddtureneeuieas s 50 Invacare 8 4 8 5 8 7 8 8 8 9 8 10 8 11 8 12 8 13 8 14 8 15 8 16 8 17 TDX SP TDX SP N SERVICE MANUAL Batteries cables amp battery charger c ssscsececcsessseeesseeesseeeseeeesseeeeeoenseeeseonnseeeseoeenseeseoes 51 8 4 1 Making the batteries ACCESSIDIC ccccecccccecseeeeeeeeeeeeeeeeeecseeeeceeeseaaeeeeessaaeeeeeessaaeeeees 51 8 4 2 Replacing batteries Standard TDX SP cc cececccccceseeeeeeeceeeeeeeeesaaeeeeeeesseeeeeeeesseaeeeees 53 8 4 3 Replacing batteries replacing battery cables TDX SP N cccsseeeeeeeseseeeeeeeeeeees 55 8 4 4 Correct handling of damaged batteries ceecccccccssseeceeeeaeeeeeeeeseeeeeceeeesaeeeeeeeeaaeeeees 57 8 4 5 Checking and replacing the main fuse Standard TDX SP cccccseeeeeeeseeeeeeeeeeeeens 58 8 4 6 Replacing the main fuse TDX SP N cccccecsssecececeseeeeeeseeessaeeecseuseseeeeseeensaseeeees 59 8 4 7 Checking the cable ptteccasiscie cousaiteassluetes tonnte hada ductesseunbin melts ead ln meren earners 60 048 Galle VOU insets eases et aks eesti ae a Scents laa oie ea ements eee 62 Banery Carrie ioie E E E a a ERE 63 Replacing the Datt ry Case wicicccecdiccpsr aaaea ad aas aa aa a a aiaa 64 Ligning UNM osis
6. Allen key e two long wooden blocks min 14 x 14 x 30 cm e torque wrench 5 25 Nm or similar Removing the rubber bumper Remove the drive wheel as described in Chapter 8 9 1 Undo and remove the 5 16 nut 3 Remove the washer 2 Remove the rubber bumper 1 Refitting the rubber bumper Refit the parts in reverse order Invacare TDX SP TDX SP N SERVICE MANUAL 8 16 Castor housing front AS Requirements a e 5 16 Allen key e torque wrench 5 25 Nm or similar Removing the front castor housing e Remove the two Allen screws 1 with a 5 16 Allen key e Remove the two nylon washers 2 e Remove the castor housing 5 from the top walking beam 3 and the bottom walking beam 4 Refitting the front castor housing e Refit the parts in reverse order e Tighten the Allen screws to the following sequence tighten all the screws to 18 Nm turn the screws back by 1 8 turn 115 SERVICE MANUAL Invacare TDX SP TDX SP N 8 17 Seat system 8 17 1 Replacing tilt module lifter module Note GD Depending on which tilt module is installed either chapter 8 17 1 1 or 8 17 1 2 applies You can determine the type of tilt module by the maximum adjustment angle it allows e Max angle is larger than 30 See chapter 8 17 1 1 e Max angle is smaller than 30 See chapter 8 17 1 2 8 17 1 1 Replacing the tilt module max gt 30 without a lifter Note GD This chapter discu
7. Requirements e 1 2 socket spanner e 13 mm jaw spanner e 4mm Allen key e 6mm Allen key e oblique pliers e cable binder Note Make a careful note of the seat settings Mark the fitting positions alignments etc and take photos with a digital camera if necessary Every change to the seat settings influences the centre of gravity of the mobility device If the seat settings are changed the anti tip system settings must be checked and readjusted if necessary as described in Chapter 8 23 5 Removing the tilt module e f possible tilt the seat with the tilt module as far as possible to the rear e Switch the controller off e Remove the batteries as described in Chapters 8 4 1 and 8 4 2 8 4 3 The actuator module for the lifter and the tilt actuators is fitted to the front edge of the seat support e Remove the two knurled screws 1 including washers e Remove the cover 2 121 SERVICE MANUAL Invacare TDX SP TDX SP N e Pull the plug out of the actuator module e Open the cable holder on the underside of the seat e Uncover all the cables so that you can lift the seat up WARNING Danger of crushing The seat is very heavy Injury hazard to hands and feet e Use proper lifting techniques e Undo the four bolts 1 which connect the seat to the tilt module using a 4 mm Allen key anda 13 mm open spanner e Lift the seat off the lifter tilt module Use proper lifting techniques 122 Inva
8. e Push the bolts 4 out of the guide Take care with the bushes 3 133 SERVICE MANUAL Invacare TDX SP TDX SP N si 7 9 e Remove the retaining ring 1 on the front bolts 4 on the lifter actuator 2 using the retaining ring pliers e Pull the bolts out of the guide using the angled long nosed pliers until the bolt is almost contacting the tilt actuator 5 Take care with the bushes 3 134 Invacare TDX SP TDX SP N SERVICE MANUAL e Lift the tilt actuator 5 slightly e Pull the lifter actuator bolts 4 under the tilt actuator and out of the guide 2 e Remove the retaining ring 1 on the rear bolts 3 on the lifter actuator 2 using the retaining ring pliers e Push the bolts out of the guides e Remove the actuator from the lifter module Refitting the lifter actuator e Refit all parts in the reverse sequence e Carry out a performance test 135 SERVICE MANUAL Invacare TDX SP TDX SP N 8 17 5 Seat support Note GD This chapter deals with replacing the seat support for a seat without lifter or tilt modules Please proceed as described in Chapter 8 17 to replace lifter or tilt modules WARNING Danger of crushing The seat is very heavy Injury hazard to hands and feet e Use proper lifting techniques AS Requirements da e Phillips screwdriver size 2 e 5 16 socket spanner e 5 8 Allen key e torque wrench 5 25 Nm or similar e protractor No
9. sssssssessesessssssnnnrrrreessrennn 100 8 14 2 Replacing the motor transmission unit SSD motor nnnannnannnnannoannnnnnnnnnnnnnnnnnnnnenne 102 8 14 3 Replacing or rotating the motor gearbox unit sealing ring SSD motor 08 104 8 14 4 Replacing the motor transmission clutch Standard Motor ceeeeeecseeeeeeeeeees 106 8 14 5 Replacing the motor transmission clutch SSD Motor cccccssseeeeeeeeeeeeneeeeeeneeeees 108 8 14 6 Replacing the carbon brushes SSD motor ccccceeeeceeeceeeeeeeeeeeeseeeeeseeseeeeeeaaaeeees 110 8 14 7 Replacing the carbon brushes Standard MOtOl cccccceeeeeee cece eeeeeeeeeeeeeeaaeneeeeeeees 112 Replacing the rubber DUIMPGN ossaa sonaa adea a AAE AAE TEUAN 114 CaStOl HOUSING TEON soirioioo icc coc aa aaa e a anain 115 Sal SYSTEM an e A a exceresuavarucebastvesdoebaceeutiewides 116 8 17 1 Replacing tilt module lifter module cee ccceeeceeeeeeeeesaeeeeeeeeaeeseeeessaaeeeeeessaaeeeees 116 8 17 1 1 Replacing the tilt module max gt 30 without a lifter ee eeeeeeeeeeeeeees 116 8 17 1 2 Replacing the tilt module max lt 30 without a lifter ee eeeeeeeeeeeeeeeeees 121 8 17 2 Replacing the lifter tilt MOCUIE cc eeeccccccsseeeeeeeeeeeeeeeceeeseeeesseaaeeeessaaseeeeesaaaeeees 124 617 3 Replacing TNE TINAGtUATON sive wtsctsevwreelnihernnveiun E 128 BATA AEDIACING The IIMer ACWUALON senri a iouateleus 130 SERVI
10. e When installing the seat pay attention to its heavy weight e To complete check all seat tilting function 143 SERVICE MANUAL Invacare TDX SP TDX SP N 8 19 4 Replacing the backrest actuator Dismantling the backrest actuator e Pull the cable off directly where it is connected to the actuator 1 e Detach the bracket of the actuator at the top and bottom to do this slide the bolts 3 to the side using the lever 4 and tilt the actuator 1 out of the backrest clamp 2 e Replace actuator Refitting the backrest actuator e Assemble the parts in the reverse order 144 Invacare TDX SP TDX SP N SERVICE MANUAL 8 19 5 Replacing the seat support without lifter or tilt modules Note GD This chapter deals with replacing the seat support for a seat without lifter or tilt modules Please proceed as described in Chapter 8 19 3 to replace lifter or tilt modules A WARNING Danger of crushing The seat is very heavy Injury hazard to hands and feet e Pay attention to the hand and feet e Use proper lifting techniques Ni Requirements GEU 3 mm Allen key 10 mm open spanner T25 Torx wrench T40 Torx wrench Side cutting pliers Cable ties e J Remove legrests Switch the electronics OFF on the remote Remove the backrest cushion 5 T Loosen and remove the screws which secure w the middle seat plate A with a 3 mm Allen key NAG Remove the middle seat plate B Loo
11. 10mm socket wrench The operating hours counter is located on the rear cover 2 Removing the operating hours counter e Switch the electronic system of the wheelchair off e Remove the rear cover as described in chapter 8 1 2 2 e Loosen and remove the nut 5 including the locking washer 4 using a 10 mm socket wrench e Pull the mounting bracket 2 off of the threaded rod 3 e Remove the retaining frame 6 e Pull the operating hours counter forwards out of the rear cover e Disconnect the two plugs of the cable not shown in the illustration from the pins amp e Replace the operating hours counter and cable respectively 45 SERVICE MANUAL Invacare TDX SP TDX SP N Installing an operating hours counter A CAUTION Property damage can result if the counter is wrongly connected If the plus and minus wires are connected the wrong way it will damage the electronic components of the operating hours counter Make sure the cable is connected correctly e Connect the plug on the blue wire to the pin on the operating hours counter which is marked with a minus symbol e Connect the plug on the brown wire to the pin on the operating hours counter which is marked with a plus symbol The brown wire is additionally marked with a yellow sleeve with a plus symbol on it e Insert the cable from the outside through the cut out for the operating hours counter located in the re
12. 17 3 e Replacing the lifter actuator only Chapter 8 17 4 WARNING Danger of crushing A The seat is very heavy Injury hazard to hands and feet e Use proper lifting techniques IA Requirements Crosshead screwdriver size 1 1 2 socket spanner 13 mm jaw spanner 6 mm wrench 4 mm Allen key oblique pliers cable binder Note Make a careful note of the seat settings Mark the fitting positions alignments etc and take photos with a digital camera if necessary Every change to the seat settings influences the centre of gravity of the mobility device If the seat settings are changed the anti tip system settings must be checked and readjusted if necessary as described in Chapter 8 23 5 Removing the lifter tilt module e Run the lifter up to the top position if possible e f possible tilt the seat with the tilt module as far as possible to the rear e Switch the controller off e Remove the batteries as described in Chapters 8 4 1 and 8 4 2 The actuator module for the lifter and the tilt actuators is fitted to the front edge of the seat support 124 Invacare TDX SP TDX SP N SERVICE MANUAL Remove the two knurled screws 1 including washers Remove the cover 2 Pull the plug out of the actuator module Open the cable holder on the underside of the seat Uncover all the cables so that you can lift the seat up WARNING Danger of crushing The seat is very heavy Injury hazard to hands an
13. 20 mm socket spanner e Remove the washer 3 e Take the wheel hub 5 off the axle 2 e Take the feather key 1 off the axle Refitting the drive wheel hub e Refit the drive wheel hub parts in reverse order e Use a thin film of lubricant to make pushing the wheel hub onto the axle easier e Tighten the nuts 4 to 60 Nm Invacare TDX SP TDX SP N SERVICE MANUAL 8 9 4 Replacing the drive wheel hub SSD motor CAUTION Possible material damage to mobility device Collisions can be caused if the adjusting washers are removed during fitting work to the drive wheels Adjusting washers are often fitted between the drive shaft and the wheel hub to even out tolerances If these adjusting washers are removed and not replaced again collisions can be caused Always replace the adjusting washers exactly as they were before you started dismantling AS Requirements 1M e socket spanner 19 mm Removing the drive wheel hub e Loosen and remove the nuts 7 with a 19 mm socket spanner e Remove the washer 6 e Remove the distance ring 5 e Take the wheel hub 4 off the axle 2 e Remove the shim ring 3 e Take the feather key 1 off the axle Refitting the drive wheel hub e Refit the drive wheel hub parts in reverse order e Use a thin film of lubricant to make pushing the wheel hub onto the axle easier e Tighten the nuts 4 to 60 Nm 83 SERVICE MANUAL Invacare TDX SP TDX SP N 8 10 Rea
14. 8 22 5 Replacing an electric legrest actuator WARNING Danger of crushing The legrest is very heavy Danger of injury to hands and feet Pay attention to the heavy weight VV Requirements sd e 1 2 socket wrench e 3 8 Allen key e Side cutting pliers e Cable ties Uninstalling the electrically operated legrest e f possible raise the lifter to the highest position e f possible tip the wheelchair with the tilt module as far backwards as it will go e Switch the electronic control system off The actuator module for the lifter and the tilt actuator are mounted to the front edge of the seat frame e Completely remove both knurled head screws 1 including the washers e Remove the cover 2 e Pull the plug of the legrest actuator out of the actuator module 162 Invacare TDX SP TDX SP N SERVICE MANUAL e Use the 3 8 Allen key and a 1 2 socket wrench to loosen the screw 3 e Use the 3 8 Allen key and a 1 2 socket wrench to loosen the screw 1 e Remove the nuts including the washers but leave the screw inserted in the screw hole do not pull it completely out e Pull the actuator 2 toward the side off of the screws 1 and 3 e Replace the actuator Installing the electrically operated legrest e Assemble the parts in reverse order e Testall functions of the wheelchair 163 SERVICE MANUAL Invacare TDX SP TDX SP N 8 22 6 Replacing the calf plate on the centre mounted
15. COVES WITNOUU ITER iiinis naaa a eocuwecegsscagsanccaebagasatcnst an 35 Stel Op nnothe TROND DANE iairesc oka reels seh eo weet a doe A eae 35 Salzz Opening ine rear cover Dane wi ssscschsie acd an ides ile dare Lene eee elise 36 8 1 2 1 Rear cover without an operating hours COUNTEL ccccceseeeeeeeeeeeeeeeeeeeaeeeeeeeesaeees 36 8 1 2 2 Rear cover with an operating hours COUNTEL cceeeceeeceeeeeeeeeeeeeeeeeeeeeaaeeeeeseaeaees 37 8 1 3 Opening the top cover Panel csi cs co sedenetcetencs css covcielene ca tocendceiwesues dedeaseleiawetsiecasdealebexs 38 8 1 4 Replacing the splash guard ccccccccccsseeececeeeeeeeseeeeesseeeeesseseeesseeeeesseeeeeeseeeeeesseeeeneas 39 8 2 Electronig TO CU C sirra arrana aE ved een esuerwaca na ESEE 40 82 1 HASDIAC ING the remote sereen a et axoiat deat vale cowie 40 8 2 2 Replacing the electronic MOUIEC ccccccccsseseeeeeceeeeeceecceeeeceeecseaseceesssaaaeeessssaseees 40 8 2 3 Replacing the G Trac SCNSOM ccccccssseececccseeeeeeeceeeeeeeecseeeeceeessaaeeeesssaaeeeessssaeeeess 44 8 2 4 Replacing the operating hours counter connecting Cable ccccccccseeceeseeeeeeeeeeeees 45 8 2 5 Drive program selection after component replaCceMen ccccseeeeeeseeeeeeeeeeeeeeaeeeeeens 48 8 2 5 1 Profile selection with remote REM A or REM Bu cccceeccccsecceceeeeeeeeeeeeeeeeteeeeesaeees 48 8 2 5 2 Profile selection with remote REM 550
16. M1 Connection check motor and 7 1 loose defective or motor defective Fault brake fault on left Check connection plug See chapters 8 4 7 hand motor M2 check motor and 7 1 Connection loose defective or motor defective Fault orake fault on right Check connection plug See chapters 8 4 7 hand motor M19 check motor and 7 1 Connection loose defective or motor defective 7 x blink Completely discharge Pre charge battery See operating manual battery Battery voltage too high Switch lighting to low See charging unit battery voltage operating manual Check battery charger 9 or 10 x blink Faulty data transmission Remove electronic modules See chapter 8 2 2 between modules except for the power module and the remote Replace the modules one after another in order to ensure which was the one causing the fault Invacare TDX SP TDX SP N SERVICE MANUAL BLINK CODE POSSIBLE CAUSE SOLUTION DOCUMENTATION Drive motors overloaded Switch remote on and off overheated wait if necessary Compatibility problems Remove incorrect module See chapter 8 2 2 between modules 29 SERVICE MANUAL Invacare TDX SP TDX SP N 6 3 Shark Il remote Error codes and diagnostic codes The drive electronic can automatically rectify some faults In this case the status display will stop blinking Switch the remote on and off again several times Wait around 5 seconds each time before switching the remote on agai
17. Tighten screws nuts adjust or replace if necessary Inspect motor brake Check motor brake See chapter 7 2 B Legrests Check welded seams Tighten replace if interlocking screws necessary footplates Power legrests Check cable Replace cable if if fitted Check contacts necessary check functions Lighting if Check cable Replace lamp or see chapter 8 7 fitted Check function cable if necessary Battery Check battery support Replace if necessary mounting and mounting belts for damage 21 SERVICE MANUAL Component Batteries Remote electronic module Drive program 22 Invacare TDX SP TDX SP N Check batteries for damage Replace batteries if necessary See chapters 8 4 2 8 4 3 and 8 4 4 Check battery voltage Charge batteries Cd Check battery voltage Charge batteries See operating manual Check contacts and Clean contacts and Please refer to the terminals terminals safety information in Chapter 8 4 2 8 4 3 and 8 4 4 for handling batteries Remote status display Evaluate error blink See chapter 6 blinking code Fixings Tighten fixings i replace if necessary see chapter 8 3 Cables and connecting plugs Tighten cables and connecting plugs replace if necessary Drive lever function Replace drive lever if necessary Replace remote if necessary Power supply Tighten cables and connecting plugs replace if necessary Check drive electronic Update software if program
18. and fire Always use an original strip fuse with the approved amperage If the main fuse has blown first rectify the cause before fitting a new one CAUTION Fire hazard Fitting the incorrect strip fuse causes a fire hazard e Only fix the strip fuses in the sequence shown in the image on the right e Tighten the nuts with 3 3 or 3 5 Nm 1 Strip fuse 2 Spade terminal 3 DIN 6923 nut Requirements e 5 8 Allen key e Phillips screwdriver size 2 e socket spanner 8 mm e torque wrench 0 20 Nm or similar Note lf the fuseholder is damaged you can replace this complete with the battery cables Dismantling the main fuse e Remove the battery compartment cover disconnect the battery plugs and pull the batteries out of the battery compartment as described in Chapter 8 4 1 e The fuseholder 1 is located on top of the batteries e Open the fuseholder cover Invacare TDX SP TDX SP N SERVICE MANUAL 8 4 6 e You will be able to see the strip fuses 2 once the fuse holder 1 is open e lf the strip fuse has blown you must first ascertain and rectify the cause of the fault e The main fuse may only be replaced once the fault has been rectified e Remove the strip fuse nuts 3 with an 8 mm socket spanner e Replace the strip fuse Fitting the main fuse e Refit all the parts again in reverse order e To conclude check all the mobility aid functions Replacing the main fuse TDX SP N
19. compressed Block method e Lift the suspension arm and place wooden blocks or similar underneath it until the springs are pressed together and the nylon spacer 2 can be fitted into the recesses provided in the suspension 6 Clamp method e Remove the rubber caps 9 e Press the springs together with a joiner s clamp or similar suitable clamp until the nylon spacer 2 can be fitted into the recesses provided in the suspension 6 Fit the two bolts 3 including the nylon spacer 2 Tighten the bolts to 8 5 Nm Replace the two rubber caps 9 if necessary Reinsert all the necessary plugs and fix the cables with cable ties as previously see also Chapter 8 4 8 Refit the rear panel as described in Chapter 8 1 2 Lift the mobility aid off the wooden blocks Check all the mobility aid functions If necessary carry out adjustments to the setting screw on the anti tip system as described in Chapter 8 23 5 Invacare TDX SP TDX SP N SERVICE MANUAL 8 10 4 Refitting the rear wheel suspension alternative method e Position the mounting 5 centrally between the two suspension arms 1 e Push the pivot bar 4 including the remaining bolts and the socket from the side through the guides the suspension arm bushes and the mounting e Refit the sockets and bolts you have removed e Tighten the bolts to 60 Nm 89 SERVICE MANUAL Invacare TDX SP TDX SP N 90 Ensure that the rear springs are compres
20. diagram is located in the battery case cover Invacare TDX SP TDX SP N SERVICE MANUAL 8 4 3 Replacing batteries replacing battery cables TDX SP N T A Sor gt Mig Note To replace the fuse the battery cable with the fuse attached to it must be replaced CAUTION Danger of injury and danger of damage to property if the batteries are handled incorrectly e The installation of new batteries may only be performed by authorised technicians e Pay attention to the warning notes on the batteries e Only use the battery type defined in the technical specifications CAUTION Risk of fire and burns if battery terminals are short circuited e Take special care that the battery terminals are NOT short circuited with a tool or metallic components of the wheelchair e Make sure that the battery terminal caps are fitted to the battery terminals at all times if you are not working on them CAUTION Danger of crushing The batteries are very heavy There is a danger that you may injure your hands e Take into account the heavy weight of the batteries e Handle the batteries carefully WARNING Risk of chemical burns Danger of injury by leaking acid e Wear acid resistant protective gloves when handling batteries e Wear protective goggles when handling batteries How to deal with a battery acid leak e Remove clothes that have been soiled or soaked with acid immediately e mmediately wash the affected area
21. disassembling take care of small parts such as screws and washers Put all small parts down so that they can be reassembled in the right sequence 51 SERVICE MANUAL Invacare TDX SP TDX SP N 52 Remove the legrests Undo the three Phillips screws 7 on the rear cover panel 1 Remove the rear cover panel Disconnect the battery plugs 2 Remove the two bolts 5 on the front cover panel 4 with a 5 8 Allen key Pull the front cover panel upwards and remove it Pull the battery carrier forwards as far as the stop Only on the TDX SP N Disconnect the plug in connection between the batteries before removing them Invacare TDX SP TDX SP N SERVICE MANUAL 8 4 2 A gt Replacing batteries Standard TDX SP ATTENTION Injury hazard and possible material damages if batteries are handled improperly e The installation of new batteries may only be carried out by authorised specialists e Observe the warning information on the batteries e Only use battery versions stated in the specifications ATTENTION Fire and burns hazard if battery terminal is bypassed e Please take great care to ensure that the battery terminals are never short circuited with tools or mechanical mobility device parts e Ensure that the battery terminal caps have been replaced if you are not working on the battery terminals ATTENTION Danger of crushing The batteries are extremely heavy This results in injury haza
22. e Close the cover and tighten the Philips screw finger tight 69 SERVICE MANUAL Invacare TDX SP TDX SP N 8 7 5 Replacing the rear light complete AS Requirements kiai e Phillips screwdriver size 2 e socket spanner 8 mm Removing the rear light e Remove the rear panel as described in Chapter 8 1 2 e Carefully note the location of the cable and the connection locations of the various plugs Either mark each plug and socket or take a photograph with a digital camera e On the illustration you can see the battery plug 1 the lighting PCB 2 for the electronic module 3 the optional cross connector 4 and the optional actuator module 5 e Loosen the cable leading to the lighting PCB from the rear light affected e Remove all cable ties and pull the cable out of the mobility aid 70 Invacare TDX SP TDX SP N SERVICE MANUAL e Undo the two cap nuts 1 with an 8 mm socket spanner and remove the cap nuts complete with washers e Replace the rear light Dismantling the bulbholder e Refit the parts in reverse order e Check all vehicle functions 8 7 6 Replacing the rear bulbholder AS Requirements kiad e Phillips screwdriver size 2 e socket spanner 8 mm e socket spanner 13 mm WAN WW Dismantling the bulbholder e Remove the complete rear light as described in Chapter 8 7 4 Undo the two retaining screws 2 with a 13 mm socket spanner and remove the scr
23. e Remove the clutch individual parts 5 e Replace the clutch if necessary 106 Invacare TDX SP TDX SP N SERVICE MANUAL Refitting the motor transmission clutch e Place the new clutch 2 on the motor axle 3 Note the position of the groove e Push the motor carefully into the transmission Observe the position of the groove in the transmission axle 4 If necessary rotate the transmission axle into the right position e Refit the two M6 Allen screws 1 including washers 2 Tighten the Allen screws to 8 5 Nm e Refit the motor transmission unit as described in Chapter 8 14 1 107 SERVICE MANUAL Invacare TDX SP TDX SP N 8 14 5 A il 108 Replacing the motor transmission clutch SSD Motor CAUTION Danger of crushing The motor gearbox unit is very heavy Danger of injury to the hands e Pay attention to the heavy weight Requirements 5 8 Allen key 7 8 Allen key 5 16 Allen key 6 mm Allen key Phillips screwdriver size 2 10 mm socket spanner 1 2 socket spanner 1 4 socket spanner 5 16 socket spanner torque wrench 0 20 Nm or similar torque wrench 5 25 Nm or similar torque wrench 10 80 Nm or similar two long wooden blocks min 14 x 14 x 30 cm Uninstalling the motor gearbox coupling e Uninstall the motor gearbox unit as described in chapter 8 14 2 e Use the 10 mm socket wrench to loosen and remove the self securing nut 3 e R
24. front cover panel e Refit the parts in reverse order e Now tighten all the screws finger tight again 35 SERVICE MANUAL Invacare TDX SP TDX SP N 8 1 2 Opening the rear cover panel 8 1 2 1 Rear cover without an operating hours counter 4 Requirements ae e Phillios screwdriver size 2 Note GD This chapter explains how to open the rear cover if no operating hours counter is installed The procedure for opening the rear cover with an operating hours counter installed is described in chapter 8 1 2 2 Refitting the front cover panel e Undo the three Phillips screws 1 on the rear cover panel 7 e Remove the rear cover panel Refitting the rear cover panel e Refit the parts in reverse order e Now tighten all the screws finger tight again 36 Invacare TDX SP TDX SP N SERVICE MANUAL 8 1 2 2 Rear cover with an operating hours counter Wd O Requirements e Phillips screwdriver size 2 Note This chapter explains how to open the rear cover if an operating hours counter is installed The procedure for opening the rear cover with no operating hours counter installed is described in chapter 8 1 2 1 Refitting the front cover panel e Undo the three Phillips screws 1 on the rear cover panel 7 e Carefully loosen the rear cover Pay attention to the cable of the operation hours counter e Take note of the positions of the cables and sockets Mark the plugs and sockets or take a photo w
25. invacare ie 47 0 22 57 95 00 47 0 22 57 95 01 norway invacare com island invacare com www invacare no 31 0 318 69 57 57 31 0 318 69 57 58 nederland invacare com csede invacare com www invacare nl 351 225 10 59 46 351 225 10 59 47 351 225 10 57 39 portugal invacare com www invacare pt 46 0 8 761 70 90 46 0 8 761 81 08 sweden invacare com finland invacare com www invacare se 46 0 31 86 36 00 46 0 31 86 36 06 ginvacare invacare com 46 0 418 2 85 40 46 0 418 1 80 89 linvacare invacare com 46 0 491 1 01 40 46 0 491 1 01 80 oinvacare invacare com 49 0 5731 75 45 40 49 0 5731 75 45 41 edo invacare com www invacare de SERVICE MANUAL SERVICE MANUAL Invacare TDX SP TDX SP N Contents Chapter Page 1 Introduction 7 1 1 General ihformatio Masyn aa a a a E a aS 7 1 2 Not s on transport seriar E EAEAN 7 1 3 Definition and representation of information and safety information in this manual 8 1 4 Hazard symbols and symbols USO iicet siiecc ccc wentectccesiicweediederesresten nies ieearteevses siinededsseeueeudteee 9 1 5 IMAGES in this Manual sassi aaa Ea aa aaa E E an E A aE 10 2 Safety and fitting instructions 11 2 1 Before any inspection or repair WOrK s ssssssnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn nnmnnn nnmnnn 11 2 2 Personal Safety CQUIPIMGIN srusen aa A aaa aaae Aaaa 11 2 3 General safety information and information about fitting removal
26. is routed e f necessary remove any existing cable ties which are fixing the motor cable 96 Invacare TDX SP TDX SP N SERVICE MANUAL e Rotate the top walking beam 11 until the Allen screw 5 is in line with the opening 3 in the battery case 4 e Remove the nut 10 which secures the 5 16 Allen screw 5 using a 1 4 socket spanner e Push the Allen screw 5 towards the battery case until the gas cylinder is free of the top walking beam e Fix the gas cylinder in place with a cable tie or suitable adhesive tape e Remove the nut 8 with a 1 2 socket spanner e Remove the washer 9 e Remove the top walking beam including motor transmission unit from the axle e Remove the washer 1 from the axle 97 SERVICE MANUAL Invacare TDX SP TDX SP N 8 13 2 Refitting the top walking beam Wd 98 Requirements 5 8 Allen key 7 8 Allen key 5 16 Allen key Phillips screwdriver size 2 1 2 socket spanner 1 4 socket spanner torque wrench 5 25 Nm or similar two long wooden blocks min 14 x 14 x 30 cm Place the washer 1 on the battery case 4 rear axle Push the top walking beam 11 including motor transmission unit onto the axle Push the washer 9 onto the axle Fit the nut 8 onto the axle Tighten the nut 8 to 18 Nm Rotate the nut 8 back by 1 4 turn Raise the rear wheel suspension to free the gas cylinder 2 Position the gas cylinder so that
27. legrest electric amp manual Nil Requirements dai e 1 64 Allen ke A manual legrest can be seen in the illustration The method of fixation to the seat is almost identical with both legrests Uninstalling the calf plate e f possible raise the lifter to the highest position e f possible tip the wheelchair with the tilt module as far backwards as it will go e Switch the electronic control system off e Use the 1 64 Allen key to loosen and remove both screws 2 e Remove the calf plate 1 Installing the calf plate e Assemble the parts in reverse order e Using the different adjustment holes 3 in the calf plate and in the calf plate brackets the calf plates can be mounted at different heights and widths This must be adjusted to fit the needs of the user 164 Invacare TDX SP TDX SP N SERVICE MANUAL 8 22 7 Replacing the foot plate on the centre mounted legrest electric amp manual Nil Requirements a e 1 64 Allen key e 1 4 Allen ke A manual legrest can be seen in the illustration The method of fixation to the seat is almost identical with both legrests Uninstalling the footplate e f possible raise the lifter to the highest position e f possible tip the wheelchair with the tilt module as far backwards as it will go e Switch the electronic control system off e Use the 1 64 Allen key to loosen and remove both screws 3 e Replace the foot plate 1 Installing the fo
28. module Requirements e 5 16 Allen key e Phillips screwdriver size 2 e socket spanner 8 mm e To adapt the drive program programming software or hand programming device and system installation manual available from Invacare Invacare TDX SP TDX SP N SERVICE MANUAL Removing the electronic module e Remove the rear panel as described in Chapter 8 1 2 e Carefully note the location of the cable and the connection locations of the various plugs Either mark each plug and socket or take a photograph with a digital camera e On the illustration you can see the battery plug 1 the optional lighting PCB 2 for the electronic module 3 and the optional actuator module 5 e You can also see the optional cross connector between the rear wheel suspension 4 he Siz a K o NA Kf 2 Baga O a IS es Ae Soe e Dismantle the cross connector if fitted Undo and remove the four Allen screws 1 with a 5 16 Allen key e Remove the cross connector 3 41 SERVICE MANUAL Invacare TDX SP TDX SP N 42 Pull the plug 1 out of the actuator module Pull the plug 2 out of the light module Pull the plug 3 out of the electronic module Loosen both the 8 mm nuts 1 Remove the module carefully Replace the defective module Refitting the electronic module Refit the various modules in reverse order Refit the cross connector if this is fitted Plug all the plugs into their o
29. of skin that has come into contact with battery acid with lots of water After contact with eyes e mmediately rinse eyes under running water for several minutes Consult an eye doctor immediately afterwards Requirements e 11mm socket wrench e Side cutting pliers e Cable ties 55 SERVICE MANUAL Invacare TDX SP TDX SP N 56 Uninstalling batteries battery cables Remove the batteries as described in chapter 8 4 1 Positive terminal Remove the cable ties 1 with side cutting pliers Lift the battery terminal cap 2 off and move it up the cable and out of the way Use an 11 mm socket wrench to loosen the battery terminal screw 3 Remove the battery terminal screw together with both washers and the cable lug 5 from the battery terminal 4 Negative terminal Repeat the steps of the procedure for the positive terminal on the negative terminal of the battery Replace the batteries and or the battery cables Installing batteries battery cables Assemble the parts in reverse order Connect the negative terminal first then the positive terminal Make sure the battery box sockets and plugs are correctly installed A schematic showing the correct positions can be found in the battery box cover Carefully reposition the battery terminal caps and secure them with a cable tie to prevent them from possibly slipping out of place Invacare TDX SP TDX SP N SERVICE MANUAL 8 4 4 Correct hand
30. power system off ON OFF key e Engage the drive motors e Secure the vehicle against rolling away by placing wedges under the wheels ATTENTION Danger of crushing The motor gearbox unit is extremely heavy Injury hazards to hands e Please note the high weight Requirements 6 mm Allenkey 5 8 Allen key 7 8 Allen key 5 16 Allen key Phillips screwdriver size 2 13 mm socket spanner 1 2 socket spanner 1 4 socket spanner 5 16 socket spanner torque wrench 5 25 Nm or similar torque wrench 10 80 Nm or similar two long wooden blocks min 14 x 14 x 30 cm Uninstalling the motor gear box unit e Remove the rear battery box cover as described in chapter 8 1 2 e Disconnect the motor plug from the power module e Open the cable ties so you can freely access the motor cable e Remove the drive wheel as described in chapter 8 9 1 e Remove the wheel hub as described in chapter 8 9 4 Invacare TDX SP TDX SP N SERVICE MANUAL Use a 1 2 socket wrench to loosen the four hexagon head screws 3 Remove the screws Pull the motor gear box unit 1 off of the Walking Beam 2 Take into account the heavy weight of the unit Installing the motor gearbox unit Replace the defective components Before installing a new motor gearbox unit make sure the sealing ring is correctly mounted The sealing ring securely attaches the motor and the gearbox The ring must be installed such tha
31. rear e Switch the controller off The actuator module for the lifter and the tilt actuators is fitted to the front edge of the seat support Invacare TDX SP TDX SP N SERVICE MANUAL e Remove the two knurled screws 1 including washers e Remove the cover 2 e Pull the plug out of the actuator module e Open the cable holder on the underside of the seat e Uncover the actuator cable so that you can pull it out of the lifter module later on together with the actuator A WARNING Danger of crushing The seat is very heavy Injury hazard to hands if the seat is unintentionally folded down e Use proper lifting techniques e Ensure that the seat is properly secured against unintentional folding or falling down before you start removing the actuator If you are unable to secure the seat you must remove it completely If you are working on a combined lifter tilt module the lifter actuator is located in the lower section of the module sie e Remove the retaining ring 1 with the retaining ring pliers e Push the bolts 4 out of the guides When removing the front bolts take care with the bushes 3 e Remove the actuator from the lifter module Refitting the lifter actuator e Refit all parts in the reverse sequence e Carry out a performance test 131 SERVICE MANUAL Invacare TDX SP TDX SP N 8 17 4 2 Method 2 Removing the lifter actuator when the lifter is lowered 132 WARNING Dang
32. rear faces are held together using Velcro fastenings e Open the backrest belt 2 Velcro fastenings and adjust to the required length e Reattach the backrest upholstery and fix with Velcro fastenings 138 Invacare TDX SP TDX SP N SERVICE MANUAL 8 19 Seat system Modulite 8 19 1 Replacing the tilt actuator Note a Replacing the actuator for the seat angle adjustment in the lifter seat tilt adjustment module is also described UA Requirements a7 e Screwdriver flat width 6 mm e 13mm jaw spanner 2x e Slotted screwdriver a Tice e Remove legrests e Switch the electronics OFF on the remote e Disconnect the actuator cable from the cable harness Variant actuator tilt e Bottom fixing bolt 3 with nut 4 Loose the nut with the open ended wrenches Remove the nut and bolt e Top fixing bolt 2 secured with snap rings 1 Remove a snap ring using a screwdriver and remove the bolt e Pull the actuator out e Insert a new actuator e Reassembly takes place in the reverse order e Connect the actuator cable to the cable harness e o complete check all seat tilting function Variant seat angle adjustment actuator in the lifter seat angle adjustment module e Bottom fixing bolt 3 with slot Loosen the fixing bolt with a screwdriver Remove the bolt e Top fixing bolt 2 secured with snap rings 1 Remove a snap ring using a screwdriver and remove the bolt e Pull t
33. removal of voltage carrying components To do this remove the batteries e Avoid short circuiting the contacts when carrying out measurements on voltage carrying components CAUTION Danger of burns from hot surfaces on the motor e Allow the motors to cool down before commencing work on them ATTENTION Injury hazard and danger of damage to vehicle due to improper or incomplete maintenance work e Use only undamaged tools in good condition e Some moving parts are mounted in sockets with PTFE coating Teflon Never grease these sockets Never use normal nuts instead of self locking nuts Always use correctly dimensioned washers and spacers When reassembling always replace any cable ties which were cut during dismantling After completing your work before renewed start up of the mobility device check all connections for tight fitting e After completing your work before renewed start up of the mobility device check all parts for correct locking Only operate the vehicle with the approved tyre pressures see technical data Check all electrical components for correct function Please note that incorrect polarity can result in damage to the electronics e Always carry out a trial run at the end of your work CAUTION Danger of injury and damage to property if the maximum speed reduction on a wheelchair with a lifter does not function correctly The wheelchair s control unit must reduce the maximum possi
34. techniques AS Requirements i e 5 8 Allen key e 7 8 Allen key e 5 16 Allen key e blade screwdriver e Phillips screwdriver size 2 e 1 2 socket spanner e 1 4 socket spanner e 5 16 socket spanner e torque wrench 5 25 Nm or similar e two long wooden blocks min 14 x 14 x 30 cm Removing the carbon brushes e Switch the mobility aid off e Remove the drive wheels as described in Chapter 8 9 1 e Remove the bottom walking beams as described in Chapter 8 12 e Remove the top walking beams as described in Chapter 8 13 e Disengage the motor 1 by setting the engaging lever to Push e Undo all four plastic caps 3 with a blade screwdriver and remove the caps e Pull the carbon brushes 4 a little out of the brush holder Note the fixing position and location of the carbon brushes Note If the carbon brushes were checked but not replaced you must know their exact fitting position Used carbon brushes need to the refitted exactly in the same position from which they were taken in order to guarantee optimum contact to the collector 112 Invacare TDX SP TDX SP N SERVICE MANUAL A Make a marking on the motor and the carbon brushes in order to guarantee correct refitting Remove the carbon brushes complete from the mounting 2 Check the carbon brushes and springs for the level of wear broken components or discolouration Refitting the carbon brushes Depending on the condition
35. torque wrench 5 25 Nm or similar two long wooden blocks min 14 x 14 x 30 cm SERVICE MANUAL a CY S A E 5 t re Removing the bottom walking beam Remove the drive wheel as described in Chapter 8 9 1 Remove the front castor housing as described in Chapter 8 16 Remove the nut 4 with a 1 2 socket spanner Remove the washer 1 Pull the bottom walking beam 3 off the axle Take the spacer 2 off the axle Refitting the bottom walking beam Refit the parts in reverse order Tighten the nuts 4 to 18 Nm 95 SERVICE MANUAL Invacare TDX SP TDX SP N 8 13 Top walking beam 8 13 1 Removing the top walking beam AS Requirements aod e 5 8 Allen key e 7 8 Allen key e 5 16 Allen key e Phillips screwdriver size 2 e 1 2 socket spanner e 1 4 socket spanner e torque wrench 5 25 Nm or similar e two long wooden blocks min 14 x 14 x 30 cm e Remove the batteries as described in Chapters 8 4 1 and 8 4 2 8 4 3 e Ensure you note the cable routing carefully If necessary take photos with a digital camera e Remove the drive wheel as described in Chapter 8 9 1 e Remove the front castor housing as described in Chapter 8 23 e Remove the rubber bumper as described in Chapter 8 15 SE RTS AE A PS eM te Rae al Te a ir BS i I rs ee ae ee eee J r e Pull the motor plug 1 out of the electronic module e Note carefully how the motor cable
36. 49 0 7562 7 00 66 info invacare aquatec com www invacare aquatec de 45 0 36 90 00 00 45 0 36 90 00 01 denmark invacare com www invacare dk 34 0 972 49 32 00 34 0 972 49 32 20 contactsp invacare com www invacare es 33 0 247 62 64 66 33 0 247 42 12 24 contactfr invacare com www invacare fr 44 0 1656 77 62 22 44 0 1656 77 62 20 uk invacare com www invacare co uk 39 0445 38 00 59 39 0445 38 00 34 italla invacare com www invacare it Invacare TDX SP TDX SP N CE ND NL CP FIN Invacare Ireland Ltd Unit 5 Seatown Business Campus Seatown Rd Swords County Dublin Ireland Invacare AS Grensesvingen 9 Postboks 6230 Etterstad N 0603 Oslo Norge Invacare B V Celsiusstraat 46 NL 6716 BZ Ede Nederland Invacare Lda Rua Estrada Velha 949 P 4465 784 Leca do Balio Portugal terf rs ljare Invacare AB Fagerstagatan 9 S 163 91 Spanga Sverige Tillverkare Invacare Deutschland GmbH KleiststraBe 49 D 32457 Porta Westfalica Deutschland Eastern European Distributor european Organisation EDO countries KleiststraBe 49 D 32457 Porta Westfalica Deutschland Fax WWW Kundeservice Fax Kundeservice WWW Kundtj nst Fax Kundtj nst WWW MOLNDAL Fax LANDSKRONA Fax OSKARSHAMN Fax Fax WWW 353 18 10 70 84 353 18 10 70 85 ireland invacare com www
37. CE MANUAL Invacare TDX SP TDX SP N 10 8 17 4 1 Method 1 Removing the lifter actuator when the lifter is raised 0 130 8 17 4 2 Method 2 Removing the lifter actuator when the lifter is lowered 0008 132 Bled DE Al SUDO Ml casenitiusan a a a O N 136 BG BWACKPES WU AM ccs seseccsczizecdcetesccnaccttedcvaccdaaateevecssweensancecesasieedeaineed cuecccecanacecsudsecaceanadeaaeeeuecsssseeces 138 8 18 1 Adjusting DACKFeSt TOMMEN icv naticd tales ech a ah in A nis ilk 138 8 19 Seat system MOGUING srsuirisen cried cette Ar inenacie tt euetite cat yibodli 139 S197 Replacing TIS TIS ACT QUO spect ic cc cates sed latitude eerie waa e alae gee ea acti 139 3319 2 Replacing the liiter actuator ocen Mecano hte eee keine ena nates 140 8 19 3 Replacing the lifter seat angle adjustment MOAUIE cccccecseeeeeeeeeeeeeeeeeeeenaeeees 141 8 19 4 Replacing the backrest actuator sroin i a eE aaa ea 144 8 19 5 Replacing the seat support without lifter or tilt modules n00nn00nnnannnnannnnnnnnnnnnannn 145 9 20 BACKES MOGUNE aiaia a a a ESS aa EERE AO S AE 148 8 20 1 Replacing the standard backrest iiiciicisieacsiiive en Wiiecestitee asia started ea iies a tdveadeeiend 148 8 20 2 Replacing the backrest mounting bracket ccccccccceseeseeeeeeeeeeeeeeeeeeeeeeeesaeneeeeeeees 149 8 20 3 Replacing the backrest mounting bracket for SB 53 2 0 ceeccecsseeeeeeeeseeeeaeeeeeenaeeees 150 8 21 Ad
38. Invacare TDX SP TDX SP N SERVICE MANUAL CE Edition 06 12 2013 SERVICE MANUAL These instructions contain information about Testing work Repair Instructions This manual is part of the instructions for use Service addresses cy CF GB Invacare Austria GmbH Herzog Odilostrasse 101 A 5310 Mondsee Austria Invacare n v Autobaan 22 B 8210 Loppem Brugge Belgium Invacare AG BenkenstraBe 260 CH 4108 Witterswil Switzerland Invacare Aquatec GmbH AlemannenstraBe 10 88316 Isny Deutschland Invacare A S Sdr Ringvej 37 DK 2605 Br ndby Danmark Invacare SA c Areny s n Poligon Industrial de Celra E 17460 Celra Girona ESPANA Invacare Poirier SAS Route de St Roch F 37230 Fondettes France Invacare Ltd Pencoed Technology Park Pencoed Bridgend CF35 5HZ United Kingdom Invacare Mecc San s r l Via dei Pini 62 36016 Thiene VI Italia Fax WWW Fax WWW Fax WWW Fax WWW Kundeservice Fax Kundeservice WWW Fax WWW Fax WWW Customer services Fax Customer services WWW Fax WWW Invacare TDX SP TDX SP N 43 6232 5 53 50 43 6232 5 53 54 info invacare austria com www invacare at 32 0 50 83 10 10 32 0 50 83 10 11 belgium invacare com www invacare be 41 0 61487 70 80 41 0 61487 70 81 switzerland invacare com www invacare ch 49 0 7562 70 00
39. Remove the valve cover 4 e Press the release pin in the valve inwards and evacuate all the air from the tyre e Undo the five 7 8 Allen screws 2 on the inside of the wheel e Remove the inner 3 and outer 1 ring of the rim from the tyre 5 e Replace any defective or worn parts 19 SERVICE MANUAL Invacare TDX SP TDX SP N Refitting the tyres e Refit the tyres to the rim in the reverse sequence Note GD If the old inner tube is to be repaired and re used and has become wet during repair you can make replacement easier by sprinkling the inner tube with a little talcum powder e When fitting the rim rings together ensure that the drillholes and threads for the bolts are placed exactly above each other e Tighten the Allen screws 2 to 18 Nm e Inflate the inner tube to the specified air pressure 80 Invacare TDX SP TDX SP N SERVICE MANUAL 8 9 2 3 Replacing puncture proof tyres AS Requirements da e 7 8 Allen key Two long wooden blocks min 14 x 14 x 30 cm Three joiner s clamps with plastic caps Torque spanner 5 25 Nm or similar e Talcum powder Removing the tyres e Remove the wheel as described in Chapter 8 9 1 ATTENTION Explosion hazard There is considerable pressure in the tyre Danger of injury Parts can be thrown out and injure you if you do not secure the rim rings e Secure the rim rings with joiner s clamps e Secure the rim rings against unexpec
40. Service for inspection or repair Note A resistance of between 40 and 80 ohms indicates an intact brake A resistance of 0 ohms or a very high resistance mega ohms or infinity indicates a short circuit a bad connection or a defective brake 33 SERVICE MANUAL Invacare TDX SP TDX SP N A O 34 CAUTION Material damage can be caused to the electronic module due to short circuits in the electro mechanical brake e NEVER connect an electro mechanical brake to an intact electronic module with a short circuit e Always replace short circuited brakes immediately Note A defective motor can damage the electronic module but not the other way around Invacare TDX SP TDX SP N SERVICE MANUAL 8 Repair work AN CAUTION Danger of injury and damage to property if the maximum speed reduction on a wheelchair with a lifter does not function correctly The wheelchair s control unit must reduce the maximum possible speed as soon as the lifter is raised e Test the maximum speed reduction for correct function after any maintenance work or modifications to the wheelchair 8 1 Covers without lifter 8 1 1 Opening the front panel AS Requirements hd e Phillips screwdriver size 2 e 5 8 Allen key Dismantling the front cover panel e Remove the legresis e Remove the two bolts 5 on the front cover panel 4 with a 5 8 Allen key e Pull the front cover panel upwards and remove it Refitting the
41. TDX SP N 8 4 8 Cable routing I wi i j LAN e Phillips screwdriver size 2 e oblique pliers e cable ties q A Requirements e Remove the rear panel as described in Chapter 8 1 2 e When routing cables in the rear section please ensure that the rear wheel stabilisers are movable e Fix the cable with cable ties at the locations marked A e Make sure the cable has enough play so that all movable parts can move freely without stretching clamping or abrading the cable e Route the cable in the same manner underneath the seat and the control panel 62 Invacare TDX SP TDX SP N SERVICE MANUAL 8 5 Battery carrier AS Requirements kia e Phillips screwdriver size 2 e 5 8 Allen key e 5 32 Allen key Dismantling the battery carrier e Make the batteries accessible as described in Chapter 8 4 1 e Remove the batteries as described in Chapter 8 4 2 8 4 3 e Remove the two stop bolts 1 with a 5 32 Allen key e Pull the battery carrier 2 out of the battery case Refitting the battery carrier e Refit the parts in reverse order 63 SERVICE MANUAL Invacare TDX SP TDX SP N 8 6 64 14 Replacing the battery case Requirements 5 6 Allen key 5 32 Allen key Phillips screwdriver size 2 blade screwdriver 1 4 socket spanner 5 16 socket spanner torque wrench 0 20 Nm or similar torque wrench 5 25 Nm or similar torque wrench 20 80 Nm or similar oblique pl
42. X SP N 94 Put the springs 7 into position between the suspension arm 6 and the stop 1 Ensure that the rear springs are compressed Block method e Raise the suspension arms and replace the wooden blocks underneath them until the springs are compressed Clamp method e Press the springs together with a joiner s clamp or similar suitable clamp until the nylon Spacer 2 can be fitted into the recesses provided in the suspension 6 e Fit the two bolts 3 including the nylon spacer 2 e Tighten the bolts to 8 5 Nm Fit the two nylon stoppers 4 Fit the washer and nuts to secure the nylon stoppers Tighten the nuts to 8 5 Nm Remove the wooden blocks or joiner s clamps carefully so that the springs are released Reinsert all the necessary plugs and fix the cables with cable ties as previously see also Chapter 8 4 8 Refit the rear panel as described in Chapter 8 1 2 Lift the mobility aid off the wooden blocks Check all the mobility aid functions If necessary carry out adjustments to the setting screw on the anti tip system as described in Chapter 8 23 5 Fit both the anti tip system protective caps The protective caps on the anti tip system will either be held using a screw or a cable tie depending on the mobility aid s date of manufacture Invacare TDX SP TDX SP N 8 12 Bottom walking beam Requirements 5 8 Allen key 5 16 Allen key Phillips screwdriver size 2 1 2 socket spanner
43. a aeaa a a aaa aaa a a aaa a aaa 65 8 7 1 Replacing the front bulb cc ccccccccccseeeeeeeeceeeeeeeeseeeeeeeesceeeeceeessaaseeeeesseaeeeesessaaeeeees 65 8 7 2 Replacing the front headlight complete ccccsesccccsseeeeeceeeeeeeeeeseesseeeeeeseeeeeesaeeeeeeas 66 8 7 3 Replacing the front DUIDNOIEL cccceeccccccseeeeeeeceeeeeceesceeeeceessaaeseceesseeaseeessesaaeeeess 68 8 74 Replacing the rcar OUD ie waite esac sate a a a deanna alates 69 8 7 5 Replacing the rear light Complete cccccsescecceeeeeeccesececceeseeeseeeeessauseeeseeseeessseeeees 70 8 7 6 Replacing thesrear DUIDNOIDS hs ence eee Geel alae oat Atel eee 71 Wheel TORKS TrONU CAN iiinn na a a a a aa a aa aaa e a aaa tees 72 8 6 1 Replacing the Wheel TolKenssresrsaiioniootrioisa anni a O a aia 72 8 8 2 Adjusting the Whe TOM ai eranan in a a eep te eee 74 8 8 3 Replacing the wheels on double sided wheel fOrkS ccccccseceeceeeeeeeeeeeeeeeeseeeesaes 75 Drive Wheel Stis a teeta daa aa a aa a a a aau 76 8 9 1 Replacing the drive Whee eis ceix ue vescaveuees bo eeek cdi enews iateeets Sede eeeieeca seamen 76 8 9 2 Replacing the tyre or inner tube cccccccccsseseceeeceeeseeeesceeeeceeeceeaseceesesaaseeeeeesaeeeess 77 8 9 2 1 FEDIAGCING PHEUIMAIC TYRES i citsbinadidintiaeteitatiauel a ii 77 8 9 2 2 Replacing puncture protected tyres cccccccsseeecceecceeeeeeeeeeeeeceeeeeaeeeeeeeeaaeeseeseaaaees 79 8 9 2 3 Replac
44. ail However please note that when replacing an REM remote in connection with a DX ACS or ACS 2 electronic module the subsequent selection of drive program should be carried out as described in Chapter 8 2 3 Replacing the electronic module Note However please note that when replacing an REM remote in connection with a DX ACS or ACS 2 electronic module the subsequent selection of drive program should be carried out as described in Chapter 8 2 3 The various electronic modules can be fitted to the mobility aid with a range different remotes The possible electronic modules are described in Chapter 4 2 Replacement is described below using the ACS 2 electronic module with optional lighting PCB and optional actuator module as an example The procedure for other electronic modules is the same The only difference is the plug positions WARNING Any changes to the drive program can affect the driving characteristics and the tipping stability of the mobility aid e Changes to the drive program may only be carried out by trained Invacare specialist dealers e nvacare can only give a warranty for safe mobility aid driving behaviour especially tipping Stability for unaltered standard drive programs Note All electronic modules are delivered with a standard drive program If you have carried out customer specific modifications to the drive program you will have to make these changes again after installing the new electronic
45. and 60 70 rear WARNING Danger of damage due to collisions of the legrests with other parts of the wheelchair e Set the legrests to the smallest angle before adjusting the seat center of gravity e Pay attention with adjusting the seat center of gravity that the legrests do not touch any other parts of the wheelchair This ensures that the legrests can not collide with other parts of the wheelchair Invacare TDX SP TDX SP N SERVICE MANUAL 10 2 1 Standard seat Depending on the seat that is installed you can attach the seat at different points on the seat frame and thus set the seat depth 10 2 2 Modulite seat The Modulite seat is available in two versions e Adjustable seats plate and strap Adjustment of the center of gravity via the lateral profiles as described in chapter 10 2 2 1 e Simple seat Adjustment of the center of gravity via the oblong holes of the seat adaptor as described in chapter 10 2 2 2 10 2 2 1 Adjustable seats Nii Requirements ad e 6mm Allen ke Remove the seat plate or sling seat 1 see chapter 8 21 1 Loosen the socket head screws 2 in the front and rear left and right DO NOT remove Shift the position of the seat Re tighten the screws Install the seat plate or the sling seat again 185 SERVICE MANUAL Invacare TDX SP TDX SP N 10 2 2 2 Simple seat VA Requirements My e 6mm Allen key e Remove the seat plate 1 or the sling seat see chapte
46. apting the seat to the user s seating position depends on which seat has been fitted and should be carried out in the following sequence 1 Adjusting the lower leg length and seat depth see chapter 10 1 2 Adjusting the center of gravity of the seat frame see chapter 10 2 3 Checking that the swivel castors can move freely 4 Repetition of steps 2 to 3 if necessary WARNING Danger of injury hazard after tilting of mobility caused by blocked steering wheels Always check the seat depth settings for both forward and reverse movement Make sure that steering wheels can rotate freely and have not contact to any fixed mobility device component CAUTION Any changes to the drive program can affect the driving characteristics and the tipping stability of the vehicle Changes to the drive program may only be carried out by trained Invacare specialist dealers Invacare supplies all mobility aids with a standard drive program ex works Invacare can only give a warranty for safe vehicle driving behaviour especially tipping stability for this standard drive program WARNING Danger of crushing The seat is very heavy Danger of injury to hands and feet Pay attention to the hand and feet Use proper lifting techniques 181 SERVICE MANUAL Invacare TDX SP TDX SP N 10 1 Adjusting the lower leg length and seat depth 10 1 1 Adjusting the lower leg length Invacare offers a range of legrests which can be adjusted i
47. ar cover e Position the operating hours counter in the cut out e Reposition the retaining frame 6 e Place the mounting bracket 2 on the threaded rod 3 so that the mounting bracket presses the retaining frame on the cover 46 Invacare TDX SP TDX SP N SERVICE MANUAL e Place the locking washer 4 and the nut 5 on the threaded rod e Tighten the nut hand tight e Install the rear cover again as described in chapter 8 1 2 2 47 SERVICE MANUAL Invacare TDX SP TDX SP N 8 2 5 8 2 5 1 48 Drive program selection after component replacement The drive program is saved in the REM remote and also in the DX ACS or ACS 2 electronic module If one of these two components is replaced the system must be told which of the components has not been replaced so that it knows which contains the current controller profile Note The system allows normal usage of the mobility aid after component replacement only if the profile is selected afterwards Profile selection with remote REM A or REM B e Plug the plug into the remote or the ACS 2 controller e LEDs 1 and 4 blink e Use the bottom rocker switch 5 to select where the required controller profile is saved LED 1 remote LED 4 ACS 2 control system e The relevant LED illuminates permanently the other LED is off e Press the Horn 2 and 3 buttons on the speed selection and hold them down for 3 seconds to confirm the sel
48. backrest unit e Remove the backrest cushion e Loosen the fixation levers 2 of the corresponding backrest tube 1 depending on the version There are two versions 2 for the manual backrest 3 for the electrically adjustable backrest e Remove the backrest tube e Loosen and remove the two hexagon socket head screws 4 to the sliding block 5 on the left and right side of the chair Refitting the backrest unit e Replace the parts in the reverse order e Toconclude you should always carry out a trial run to test the vehicle functions 150 Invacare TDX SP TDX SP N 8 21 8 21 1 SERVICE MANUAL Adjusting the seat width backrest width Modulite Adjusting the seat width You can only adjust the seat width for the adjustable seat plate or for the adjustable sling seat The sling seat is available in two widths for a seat width of 38 43 cm and for a seat width of 48 53 cm When modifying the seat width the backrest width must also be correspondingly adapted See chapter 8 21 2 Requirements 3 mm Allen key 5 mm Allen key 13 mm open ended spanner T25 Torx wrench T40 Torx wrench Remove the backrest cushion Remove the backrest from the backrest mounting bracket see chapter 8 20 Loosen and remove the screws which secure the middle seat plate A with a 3 mm Allen key Remove the middle seat plate B Loosen and remove the screws on both sides which secure the lateral
49. ble speed as soon as the lifter is raised e Test the maximum speed reduction for correct function after any maintenance work or modifications to the wheelchair Note Mark all current settings for the mobility aid seat armrests backrest etc and the associated cable connecting plugs before dismantling This makes reassembly easier All plugs are fitted with mechanical safety devices which prevent release of the connecting plugs during operation To release the connecting plugs the safety devices must be pressed in When reassembling ensure that these safety devices are correctly engaged WARNING Any changes to the drive program can affect the driving characteristics and the tipping stability of the vehicle e Changes to the drive program may only be carried out by trained Invacare specialist dealers e nvacare supplies all mobility aids with a standard drive program ex works Invacare can only give a warranty for safe vehicle driving behaviour especially tipping stability for this standard drive program Invacare TDX SP TDX SP N SERVICE MANUAL 3 Tightening torques The tightening torques stated in the following list are based on the thread diameter for the nuts and bolts for which no specific values have been determined All values assume dry and de greased threads Tightening torque 3Nm 6Nm 10Nm 25Nm 49Nm 80Nm 120 Nm 180 Nm in Nm 10 CAUTION Damage can be caused to the mobilit
50. can be removed proceed as described in Chapter 8 10 2 as an alternative e Take the complete rear wheel suspension off e Now you can replace individual parts such as the suspension arms 1 or the pivot bar 4 e Please see Chapter 8 10 3 to replace the wheel suspension at a later time 85 SERVICE MANUAL Invacare TDX SP TDX SP N 8 10 2 Removing the rear wheel suspension alternative method 4 Requirements iM e more wooden blocks or e joiner s clamps e Carry out the following steps if only one of the two bolts 4 can be undone e Ensure that the rear springs are compressed Block method e Raise the suspension arms and replace the wooden blocks underneath them until the springs are compressed Clamp method e Lower the suspension arms downwards as far as possible e Remove the rubber caps 9 e Press the springs together with a joiner s clamp or similar clamp 86 Invacare TDX SP TDX SP N SERVICE MANUAL e Remove the pivot bar 4 by putting it sideways out of the guides together with the remaining bolt and the socket e Please see Chapter 8 10 4 to replace the wheel suspension at a later time 87 SERVICE MANUAL Invacare TDX SP TDX SP N 8 10 3 Refitting the rear wheel suspension 88 Position the complete rear wheel suspension between the two mounting points 6 Fit the two sockets 5 and the two bolts 4 Tighten the bolts to 60 Nm Ensure that the rear springs are
51. care TDX SP TDX SP N SERVICE MANUAL Undo the two Allen screws 3 on both sides of the seat with a 6 mm Allen key Remove the screws and the washers Lift the tilt module 1 off the battery case If one of the tilt mountings 2 needs to be replaced undo the four bolts 4 on the appropriate side of the seat using a 2 socket spanner remove the tilt mounting Refitting the tilt module Refit the tilt module in the reverse sequence Tighten the connecting bolts between the tilt mounting and the battery case to 18 Nm When routing the cable ensure that it has been placed in the cable clamps so that it cannot be crushed or damaged in any way at any seat setting Refit the batteries including battery supports as described in Chapters 8 4 2 8 4 3 and 8 4 1 WARNING Danger of crushing The seat is very heavy Injury hazard to hands and feet e Use proper lifting techniques Refit the seat Adjust the anti tip system as described in Chapter 8 23 5 123 SERVICE MANUAL Invacare TDX SP TDX SP N 8 17 2 Replacing the lifter tilt module Note GD This chapter deals with replacing the seat support for a seat with lifter tilt module Similar work is described in the following chapters e Replacing a seat support only Chapter 8 17 5 e Replacing a tilt module max gt 30 Chapter 8 17 1 1 e Replacing a tilt module max lt 30 Chapter 8 17 1 2 e Replacing the tilt actuator only Chapter 8
52. croswitch mounting off e Replace the microswitch Refitting the tilt module microswitch e Refit the parts later in reverse order 119 SERVICE MANUAL Invacare TDX SP TDX SP N Replacing the tilt module angular sensor AS Requirements ial e socket spanner 10 mm e oblique pliers e cable ties Removing the tilt module angular sensor e Undo and remove the two cap nuts 1 on the right hand plastic cover 2 with a 10 mm socket Spanner e Remove the plastic cover e Undo the cable and the plug from the angular sensor 1 Remove any cable ties which are fitted e Remove the cable ties holding the angular sensor e Replace the angular sensor Refitting the angular sensor e Refit the parts later in reverse order 120 Invacare TDX SP TDX SP N SERVICE MANUAL 8 17 1 2 Replacing the tilt module max lt 30 without a lifter o Note This chapter discusses how to replace a tilt module max gt 30 on a chair without a lifter Similar tasks are described In the following chapters e Replacing only the seat support chapter 8 17 5 e Replacing a tilt module max gt 30 chapter 8 17 1 1 e Replacing a combined lifter tilt module chapter 8 17 2 e Replacing only the tilt actuator chapter 8 17 3 e Replacing only the lifter actuator chapter 8 17 4 WARNING Danger of crushing The seat is very heavy Injury hazard to hands and feet e Use proper lifting techniques
53. d feet Use proper lifting techniques Undo the four bolts 1 which connect the seat to the lifter tilt module using a 4 mm Allen key and a 13 mm open spanner Lift the seat off the lifter tilt module Use proper lifting techniques 125 SERVICE MANUAL Invacare TDX SP TDX SP N e Open the lifter energy chain lift the cover 1 up pull the tab 2 out of the cover repeat this part by part e Remove the two cable ties which fix the cable to the ends of the energy chain e Pull the cable out of the energy chain 1 e Use the Phillips screwdriver to loosen the screws 1 e Remove the power supply chain 2 e Use the Phillips screwdriver to loosen the screws 4 e Additionally the sensor 5 is secured with nuts Loosen the nuts by holding against a6 mm wrench e Remove the magnet 3 e Remove the sensor 5 e Undo the four bolts 2 on both sides of the seat using a 2 socket spanner e Lift the lifter tilt module off the battery case 126 Invacare TDX SP TDX SP N SERVICE MANUAL Refitting the lifter tilt module e Refit the lifter tilt module in the reverse sequence e Tighten the connecting bolts between the lifter tilt module and the battery case to 18 Nm e When routing the cable ensure that it has been placed in the cable clamps so that it cannot be crushed or damaged in any way at any seat setting e Refit the batteries including battery supports as described in Chapte
54. e Completely remove both hexagon socket head screws including the washers e Pull the entire legrest forwards out of the seat e Loosen both hexagon socket head screws which attach the adapter brackets 1 to the legrest e Remove both adapter brackets Installing the manually operated centre mounted legrest e Assemble the parts in reverse order e Testall functions of the wheelchair 156 Invacare TDX SP TDX SP N SERVICE MANUAL 8 22 2 Replacing the electrically operated centre mounted legrest A WARNING Danger of crushing The legrest is very heavy Danger of injury to hands and feet Pay attention to the heavy weight VV Requirements sia e 6mm Allen key e Side cutting pliers e Cable ties Uninstalling the electrically operated centre mounted legrest e f possible raise the lifter to the highest position e f possible tip the wheelchair with the tilt module as far backwards as it will go e Switch the electronic control system off The actuator module for the lifter and the tilt actuator are mounted to the front edge of the seat frame Completely remove both knurled head screws 1 including the washers e Remove the cover 2 e Pull the plug of the legrest actuator out of the actuator module 157 SERVICE MANUAL Invacare TDX SP TDX SP N e Use the 6 mm Allen key to loosen and remove the two hexagon socket head screws 2 on both sides of the wheelchair e Completely remove both
55. e any cable ties which are fitted e Undo the six nuts 1 with a 13 82 socket spanner and remove the six 5 32 Allen screws A WARNING Danger of crushing The seat and the tilt module are very heavy Injury hazard to hands and feet e Use proper lifting techniques e Lift the seat up off the tilt module Use proper lifting techniques e Loosen the four bolts 2 with a 1 2 socket spanner e Lift the tilt module off the seat support Use proper lifting techniques Refitting the tilt module e Refit the parts later in reverse order 117 SERVICE MANUAL Invacare TDX SP TDX SP N Replacing the tilt module microswitch AS Requirements sil e socket spanner 10 mm e 5mm Allen key e oblique pliers e cable ties Note GD Either two microswitches or one microswitch and an angular sensor can be fitted The angular sensor see sub chapter Replacing the tilt module angular sensor Page 120 Removing the tilt module microswitch e Undo and remove the two cap nuts 1 on the right hand plastic cover 2 with a 10 mm socket spanner e Remove the plastic cover e Remove the two washers 5 e Loosen and remove the two nuts 4 with a 10 mm socket spanner 118 Invacare TDX SP TDX SP N SERVICE MANUAL e Remove the servo motor including transmission e Undo the cable and plug for the microswitch Remove any cable ties which are fitted e Undo the Allen screws 3 with a 5 mm Allen key e Take the mi
56. e bush onto the gas cylinder piston until the end of the gas cylinder piston touches the release head 5 8 23 2 3 Replacing the gas cylinder 170 Removing Remove the guide bush 1 from the gas cylinder piston 2 Remove the guide block fixing 3 from the gas cylinder piston Remove the clamping support 4 from the gas cylinder piston Refitting Refit the clamping support and guide block fixing to the new gas cylinder piston in reverse order Apply a little Loctite 242 to the end of the gas cylinder piston in the area marked A on the graphic It is imperative that you do NOT apply Loctite to the locations marked B and C Push the guide bush onto the gas cylinder piston until the end of the gas cylinder piston touches the release head 5 Invacare TDX SP TDX SP N SERVICE MANUAL 8 23 3 Refitting the gas cylinder i e Move the gas cylinder guide bush into the battery case holder 5 e Hold the gas cylinder in position and lift the rear axle so that the gas cylinder ball joint is pressed 171 SERVICE MANUAL Invacare TDX SP TDX SP N 172 Push the gas cylinder 1 from the front towards the rear into the holder until the bottom end is just in front of the hole 3 in the battery case 2 and you can insert the screw 4 Rotate the top walking beam 5 so that you can insert the screw 4 through the drillhole 3 on the gas cylinder into the gas cylinder and walking beam Push the bo
57. ection e The system will switch itself off and restart automatically During the process the selected profile will be saved both in the remote and in the electronic module Invacare TDX SP TDX SP N SERVICE MANUAL 8 2 5 2 Profile selection with remote REM 550 e Plug the plug into the remote or the ACS 2 controller e The display 2 shows that you need to select a profile e Use the bottom rocker switch 3 to select where the required controller profile is saved remote Il electronic module e The display will show which profile you have selected e Press the Horn 4 and 1 buttons on the speed selection and hold them down for 3 seconds to confirm the selection e The system will switch itself off and restart automatically During the process the selected profile will be saved both in the remote and in the electronic module 49 SERVICE MANUAL Invacare TDX SP TDX SP N 8 3 50 A Updating the driving program The driving programs for electric wheelchairs are continually updated and improved by Invacare For this reason you should check whether the version number is still up to date each time a wheelchair comes in for repairs and also during regular inspections If a newer version is available the driving program must be updated The procedure for updating the driving program is described in the user manual of the Wizard software Note The electronic system is supplied w
58. ective Replace remote See chapter 8 2 1 1 Only applies to remote SD24 2 All remotes except SD24 2 SERVICE MANUAL Invacare TDX SP TDX SP N 6 2 oO 28 REM remotes Error codes and diagnostic codes Note The following table is applicable to remotes REM 24 REM A REM B and REM 550 which are connected to electronic modules DX ACS or ACS 2 The drive electronic can automatically rectify some faults In this case the status display will stop blinking Switch the remote on and off again several times Wait around 5 seconds each time before switching the remote on again If this does not rectify the fault determine the cause using the blink codes from the following table BLINK CODE POSSIBLE CAUSE SOLUTION DOCUMENTATION Module defective Replace defective module See chapter 8 2 2 Accessory error e g short Check accessory See chapter 8 4 7 circuit in adjusting motor connections check accessory Lifter too high or too low lf the lifter is raised lower it See operating manual seat not at driving height slowly until the status display stops blinking If the lifter is too low raise it slowly until the status display stops blinking Only drive when the seat is at driving height Fault on left hand motor Check connection plug See chapters 8 4 7 M2 Connection check motor and 7 1 loose defective or motor defective Fault on right hand motor Check connection plug See chapters 8 4 7
59. emove the carriage bolt 6 which secures the sealing ring 5 e Carefully bend the sealing ring apart and remove it WARNING Material damage hazard if the coupling is improperly handled e Please proceed carefully so that you do not damage the motor gearbox coupling Invacare TDX SP TDX SP N SERVICE MANUAL e Pull the motor 4 and transmission unit 1 carefully apart e Remove the clutch individual parts 7 e Replace the clutch if necessary Refitting the motor transmission clutch e Place the new clutch 7 on the motor axle Pay attention to the position of the groove e Position the locking ring 5 on the motor 4 or the gearbox 1 e Carefully insert the motor into the gearbox Pay attention to the position of the groove in the axle of the gearbox If necessary rotate the motor and gearbox to the correct position e Insert the carriage bolt through the locking ring Do not forget the spacer sleeve 2 e Install the washer and the self locking nut e Do not tighten the self locking nut completely as the motor orientation must be adjusted during installation e Install the motor gearbox unit as described in chapter 8 14 2 109 SERVICE MANUAL Invacare TDX SP TDX SP N 8 14 6 Replacing the carbon brushes SSD motor O A O 110 Note Always replace all the carbon brushes on both motors WARNING Danger of crushing The mobility device is very heavy Injury hazard to hand
60. er of crushing The seat is very heavy Injury hazard to hands and feet e Use proper lifting techniques Requirements e retaining ring pliers e oblique pliers e cable binder e long nosed pliers angled e 6mm Allen ke Note Make a careful note of the seat settings Mark the fitting positions alignments cable routing etc and take photos with a digital camera if necessary Every change to the seat settings influences the centre of gravity of the mobility device If the seat settings are changed the anti tip system settings must be checked and readjusted if necessary as described in Chapter 8 23 5 e Switch the controller off The actuator module for the lifter and the tilt actuators is fitted to the front edge of the seat support e Remove the two knurled screws 1 including washers e Remove the cover 2 e Pull the plug out of the actuator module e Open the cable holder on the underside of the seat e Uncover all the actuator cables so that you can remove the seat Invacare TDX SP TDX SP N SERVICE MANUAL e Undo and remove the seat support Allen screws 1 on the left hand and right hand side of the mobility device WARNING Danger of crushing The seat is very heavy Injury hazard to hands and feet e Use proper lifting techniques e Tilt the seat to the rear and push the rear holders 2 out of their guides e Remove the seat e Remove the retaining ring 1 with the retaining ring pliers
61. es onto the wheel rim in reverse order Note If the old inner tube is to be repaired and re used and has become wet during repair you can make replacement easier by sprinkling the inner tube with a little talcum powder e When puiting the rim rings back together ensure that drillholes and threads for the bolts are exactly over each other e Tighten the Allen screws 2 to 18 Nm e Inflate the inner tube to the specified air pressure Invacare TDX SP TDX SP N SERVICE MANUAL 8 9 2 2 Replacing puncture protected tyres Note iy Pneumatic tyres have black valve caps Puncture protected tyres have red valve caps AS Requirements I J iF e 7 8 Allen key e Two long wooden blocks min 14 x 14 x 30 cm e Torque spanner 5 25 Nm or similar e Repair kit for tyre repair or a new inner tube e Tyre pump or compressor e Talcum powder Removing the tyres e Remove the wheel as described in Chapter 8 9 1 ATTENTION Explosion hazard There is considerable pressure in the tyre Danger of injury Parts can be thrown out and injure you if you do not evacuate all the air from the tyre e Press the release pin in the valve inwards and evacuate all the air from the tyre CAUTION Material damage hazard The valve can become blocked by the puncture protection gel and be unusable e During the following work you should always hold the valve up so that the puncture protection gel cannot enter the valve e
62. ews complete with washers e Replace the bulbholder 1 Refitting the bulbholder e Refit the parts in reverse order e Check all vehicle functions 71 SERVICE MANUAL Invacare TDX SP TDX SP N 8 8 Wheel forks front rear 8 8 1 Replacing the wheel fork 1A Requirements Me e Phillips screwdriver size 2 e 5 8 socket spanner Removing the wheel forks 1 1 e Undo the Philips screw 2 e Take the cover cap 2 off the castor housing 3 e Loosen the nut 1 with a 5 8 socket spanner e Remove the washer 2 e Pull the wheel fork 8 and the spacer 7 away downwards e f necessary you should also remove the ball bearings 3 and 6 in addition to the tolerance rings 4 and 5 72 Invacare TDX SP TDX SP N SERVICE MANUAL Refitting the wheel fork e f you removed them replace the tolerance rings 4 and 5 and the ball bearings 3 and 6 e Place the spacer 7 on the wheel fork 8 e Insert the wheel fork from underneath e Fit the washer 2 from above e Fit the nut 1 and tighten it with a 5 8 socket spanner loosely so that the wheel forks can just turn e Adjust the castor as described in Chapter 8 8 2 e Place the cover cap 1 on the castor housing 3 e Tighten the Philips screw 2 finger tight 13 SERVICE MANUAL Invacare TDX SP TDX SP N 8 8 2 Adjusting the wheel fork A 74 WARNING Danger of crushing The mobility dev
63. fit the rear lights including bracket as described in Chapters 8 7 6 and 8 7 4 Refit the front headlights including bracket as described in Chapters 8 7 3 and 8 7 2 Refit the battery support as described in Chapter 8 5 Replace the batteries in their correct location as described in Chapters 8 4 2 8 4 3 and 8 4 1 Refit the covers as described in Chapter 8 1 Invacare TDX SP TDX SP N SERVICE MANUAL e Refit the seat including seat support as described in Chapter 8 17 and 8 19 Modulite e Adjust the setting screw on the anti tip system as described in Chapter 8 23 5 To conclude carry out an extensive driving and function test with the mobility aid 8 7 Lighting unit 8 7 1 Replacing the front bulb IA Requirements Ari e Phillips screwdriver size 2 e Undo the concealed Philips screw on the rear of the headlight indicator combination e Remove the transparent plastic cover e Replace the defective bulb e Close the cover and tighten the Philips screw finger tight 65 SERVICE MANUAL Invacare TDX SP TDX SP N 8 7 2 Replacing the front headlight complete 4 Requirements id e Phillips screwdriver size 2 e oblique pliers e cable ties Removing the front headlight e Remove the rear panel as described in Chapter 8 1 2 e Carefully note the location of the cable and the connection locations of the various plugs Either mark each plug and socket or take a photograph with a digital camera e On the i
64. g PCB is optional Invacare TDX SP TDX SP N SERVICE MANUAL Electronic module Joystick boxes G Trac sensor The G Trac sensor is optional Operating hours The operating hours counter counter is optional 17 SERVICE MANUAL Invacare TDX SP TDX SP N 4 2 1 4 2 2 4 2 3 4 2 3 1 4 2 4 ACS 2 electronic module Connections 1 Battery 24V 2 Bus cable to remote or ACT 3 Bus cable to remote or ACT 4 Motor M1 5 Light 6 Motor M2 Rubber stoppers for free slots 2 amp 3 Order number 1552876 ACS 2 PMASQOL electronic module Connections 1 Battery 24V 2 Cable to G Trac sensor GYRO 3 Bus cable to remote or ACT 4 Motor M1 5 Light 6 Motor M2 Shark electronic module Shark with DCI 12 pole Connections 1 Cable to remote mo CE ans mF 2 DCI for actuators lighting 12 pole ee BREH a al 3 Right hand motor M1 Oe Or Ea ol 4 Battery 24V 5 ACT actuator module A range of adjusting motors also known as actuators can be fitted to the mobility aid These actuators are either connected directly to the electronic module or to a separate actuator module The actuator module is connected with the electronic module via a bus cable Invacare TDX SP TDX SP N SERVICE MANUAL 4 2 4 1 ACT 2 actuator module Connections 1 ACI Bus cable to remote or ACT Bus cable to remote or ACT Adjusting motor actuator Channel 2 2 3 4 5 Adjusting moto
65. he actuator out e Insert a new actuator e Reassembly takes place in the reverse order e Connect the actuator cable to the cable harness e To complete check all seat tilting function 139 SERVICE MANUAL Invacare TDX SP TDX SP N 8 19 2 Replacing the lifter actuator Wg 140 Requirements Screwdriver flat width 6 mm Large screwdriver Flat screwdriver Remove legrests Run the lifter up to if possible Switch the electronics OFF on the remote Secure the seat Pull the plug from the actuator Bottom fixing bolt 2 secured with snap rings Remove a snap ring using a screwdriver and remove the bolt Top fixing bolt 3 with slot Loosen the fixing bolt with a screwdriver Remove the bolt Replace actuator Reassembly of the actuator takes place in the reverse order Connect the plug of the actuator cable to the actuator To complete check all seat tilting function lf the lifter cannot be raised a cover can be removed from the upper rear side of the module This way it is possible to reach the lower fixation bolt of the actuator Invacare 8 19 3 Replacing the lifter seat angle adjustment module TDX SP TDX SP N Note a Replacement of the seat angle adjustment module is performed in the same manner A ATTENTION Danger of crushing The seat is very heavy Danger of injury to hands and feet Use proper lifting techniques Ni Requirements 3 mm Allen key 10
66. he vehicle secure the wheels by blocking them with wedges Requirements e 5 6 Allen key e 5 32 Allen key e Phillips screwdriver size 2 e blade screwdriver e 1 4 socket spanner e 5 16 socket spanner e torque wrench 0 20 Nm or similar e oblique pliers e cable ties e M8 washer e two long wooden blocks min 14 x 14 x 30 cm e Lift the mobility aid up on one side and place a 14 cm high wooden block under the battery case so that the wheels are off the ground and can rotate freely Use proper lifting techniques e Repeat the same procedure on the other side of the mobility aid e Remove the rear panel as described in Chapter 8 1 2 e Ensure you note the cable routing carefully If necessary take photos with a digital camera e Remove all cables and cable ties which are fixed to the wheel suspension or which could get in the way during work e Remove both the anti tip system protective caps The protective caps on the anti tip system will either be held using a screw or a cable tie depending on the mobility aid s date of manufacture 91 SERVICE MANUAL Invacare TDX SP TDX SP N 92 Ensure that the rear springs 7 are compressed Block method e Raise the suspension arms 6 and place wooden blocks underneath them until the springs are pressed together enough so that the nylon stopper 4 can be removed Clamp method e Undo both bolts 3 with a 5 32 Allen key and remove the bolts including the
67. hexagon socket head screws including the washers e Pull the entire legrest forwards out of the seat e Loosen both hexagon socket head screws which attach the adapter brackets 1 to the legrest e Remove both adapter brackets Installing the electrically operated legrest e Assemble the parts in reverse order e Testall functions of the wheelchair 158 Invacare TDX SP TDX SP N SERVICE MANUAL 8 22 3 Replacing the electrically operated centre mounted legrest LNX Modulite seat WARNING Danger of crushing The legrest is very heavy Danger of injury to hands and feet Pay attention to the heavy weight YA Requirements e 4mm Allen key e 10 mm ring spanner or jaw spanner Uninstalling the electrically operated centre mounted legrest LNX e f possible raise the lifter to the highest position e If possible tip the wheelchair with the tilt module as far backwards as it will go e Switch the electronic control system off Pull the plug of the legrest actuator out of the actuator module Loosen the screws 3 with a 6 mm Allen key Pull the entire legrest 2 forwards out of the seat frame profile Loosen and remove the screws 1 including the nuts and washers with a 4 mm Allen key and a 10mm ring spanner or jaw spanner e Replace the legrest 2 159 SERVICE MANUAL Invacare TDX SP TDX SP N Installing the electrically operated centre mounted legrest LNX e Assemble the parts in reverse order
68. ice is very heavy Injury hazard to hands and feet e Use proper lifting techniques Requirements e Phillips screwdriver size 2 e 5 8 socket spanner Note The front and rear wheels are adjusted in the same manner The following illustrations only show the front castor If necessary remove the Philips screw 1 and the cover cap 2 Tilt the mobility aid to the rear Use proper lifting techniques Rotate the wheel forks 5 upwards Let go of the wheel forks so that they can swing downwards again Adjust the nut 4 with a 5 8 socket spanner so that the wheel forks are not too loose but can still rotate freely The wheel forks should oscillate to the opposite side a maximum of once and then come to rest facing downwards Place the mobility aid on all four wheels again Test the mobility aid s manoeuvrability Repeat the adjustment steps if necessary until the castors are correctly adjusted Replace the cap 2 and tighten the Philips screw 1 finger tight Invacare TDX SP TDX SP N SERVICE MANUAL 8 8 3 Replacing the wheels on double sided wheel forks AS Requirements IA e 7 16 socket spanner e 7 16 jaw spanner e torque wrench 5 25 Nm or similar Removing the wheel e Loosen the nut 2 with a 7 16 socket spanner e Remove the bolt 6 with a 7 16 socket spanner e Remove the two washers 3 and 5 e Remove the wheel 4 e Replace any defective parts Refitting the wheel e Refit
69. iers cable ties M8 washer two long wooden blocks min 14 x 14 x 30 cm Removing the battery case Remove the seat including seat support as described in Chapter 8 17 and 8 19 Modulite Remove the covers as described in Chapter 8 1 Remove the batteries as described in Chapters 8 4 1 and 8 4 2 8 4 3 Remove the battery support as described in Chapter 8 5 Remove the front headlights including bracket as described in Chapters 8 7 2 and 8 7 3 Remove the rear lights including bracket as described in Chapters 8 7 4 and 8 7 6 Remove the electronic module as described in Chapter 8 2 2 Remove the bottom walking beams as described in Chapter 8 12 Remove the top walking beams as described in Chapter 8 13 Remove the gas cylinder as described in Chapter 8 23 1 Remove rear wheel suspension as described in Chapter 8 10 Remove the front and rear bulbholders as described in Chapters 8 7 3 and 8 7 6 Remove the rubber bumper as described in Chapter 8 15 Replace the battery case Refitting the battery case Refit the rubber bumper as described in Chapter 8 15 Refit the front and rear bulbholders as described in Chapters 8 7 3 and 8 7 6 Refit rear wheel suspension as described in Chapter 8 10 3 Refit the gas cylinder as described in Chapter 8 23 3 Refit the top walking beams as described in Chapter 8 13 2 Refit the bottom walking beams as described in Chapter 8 12 Refit the electronic module as described in Chapter 8 2 2 Re
70. ilt actuators is fitted to the front edge of the seat support e Remove the two knurled screws 1 including washers e Remove the cover 2 e Pull the plug out of the actuator module e Open the cable holder on the underside of the seat e Uncover the actuator cable so that you can pull it out of the tilt module later on together with the actuator 128 Invacare TDX SP TDX SP N SERVICE MANUAL A WARNING Danger of crushing The seat is very heavy Injury hazard to hands if the seat is unintentionally folded down e Use proper lifting techniques e Ensure that the seat is properly secured against unintentional folding down before you start removing the actuator If you are unable to secure the seat you must remove it completely If you are working on a combined lifter tilt module the tilt actuator is located in the upper section of the module si e Remove the retaining ring 1 with the retaining ring pliers e Push the bolts 4 out of the guides When removing the front bolts take care with the bushes 3 e Remove the actuator from the tilt module Refitting the tilt actuator e Refit all parts in the reverse sequence e Carry out a performance test 129 SERVICE MANUAL Invacare TDX SP TDX SP N 8 17 4 Replacing the lifter actuator iL 8 17 4 1 130 Note This chapter only deals with the replacement of the lifter actuator If you wish to replace the complete lifter mod
71. ing puncture proof TYFOS ccccccssseecceeeeeeceeeseecceeseeeseeueeecseseeessseesssageeeees 81 8 9 3 Replacing the drive wheel hub Standard Motor ccccccssseeceeeceeeeeeeeesseeeeeeeesseseeeees 82 8 9 4 Replacing the drive wheel hub SSD MOtOl ccceeecceeecseeeeeeeeeeeeeeeeeeeeeeeeeeeeesaaeeeees 83 Hear WHEE SUSPENSION iiss aaa AE EAA NEE 84 8 10 1 Removing the rear wheel SUSPENSION ccccceceeeeeeeeeeeeeceeeeeeeaeeeeeeseaeeeeseeeeeesseeeeeeas 84 8 10 2 Removing the rear wheel suspension alternative Method ccccceeeeeeeeeeeeeeeeeees 86 8 10 3 Refitting the rear wheel suspension ccccseecceceeeeeeceeeeeeecaeeeeeseaeeesseaeeeesaeeeesseeeeeeas 88 8 10 4 Refitting the rear wheel suspension alternative Method ccccecccseeeeeeeeeeeeeeeeeees 89 Rear Springs cesecs sate suis eee a a a neaasscubbaas ses a E 91 SFE Removing NerearspingS dremio gei aa aai 91 8 11 2 Refitting the rear SPriINGS ccccccseseccccsseecceeseeeceeuececceseeeseaseeessegeeessegseeesssseesssageeeees 93 BOMOM WAIKING DC ANG srs enaa aS Eaa a EAR EEA 95 TOD Walking DG ANN s sirens eaea a nanara a a ai 96 8 13 1 Removing the top walking D AMM cccccccccseseeecseseeecseseeeseeseeeseeeeessegseeesenseeessaeeeeees 96 Srl oc ENING thetop walking baM neissen a a E a 98 Drive UDIT orihuela a a aE E hier locas Alda 100 8 14 1 Replacing the motor transmission unit Standard motor
72. ith a digital camera e Detach the cable of the operating hours counter from the drive motor e Remove the rear cover panel Refitting the rear cover panel e Refit the parts in reverse order e Now tighten all the screws finger tight again 3 38 SERVICE MANUAL 8 1 3 Opening the top cover panel 4 Requirements i e Phillips screwdriver size 2 Invacare TDX SP TDX SP N Dismantling the top cover panel e Remove the seat e Undo the four Phillips screws 3 on the top cover panel 2 e Remove the top cover panel Refitting the top cover panel e Refit the parts in reverse order e Now tighten all the screws finger tight again Invacare TDX SP TDX SP N SERVICE MANUAL 8 1 4 Replacing the splash guard AS Requirements al e 5 6 Allen key e 7 8 Allen key e two long wooden blocks min 14 x 14 x 30 cm e torque wrench 0 20 Nm or similar e torque wrench 5 25 Nm or similar Removing the splash guard e Remove the drive wheel as described in Chapter 8 9 1 e Undo and remove the three 5 6 Allen screws 1 e Remove the splash guard 2 from the walking beam 3 Refitting the splash guard e Refit the parts in reverse order e Tighten the splash guard screws to 4 5 Nm 39 SERVICE MANUAL Invacare TDX SP TDX SP N 8 2 8 2 1 O 8 2 2 40 Electronic module Replacing the remote Note Replacing the remote is very easy and is not described in det
73. ith a standard drive program If the driving program has been customised you have to perform this customisation again after installing the new driving program This also applies to the customer specific options of the seat setting for ACS 2 remotes which are activated ex works WARNING Every alteration to the drive program can influence vehicle handling and the tipping stability of the wheelchair Alterations to the drive program must only be carried out by trained Invacare dealers Invacare can only assume a warranty for the safe vehicle handling of the wheelchair in particular tipping stability for unaltered standard drive programs Pre requisites e Dynamic Wizard software e User manual for the Wizard software e For further information on other requirements such as the minimum system configuration of the PC to be used for programming necessary programming cables see the user manual of the Wizard software Note When an electrical adjustment option is retrofitted such as electrical legrests then this option needs to be activated in the driving program as well if you have an ACS 2 remote For more information refer to the user manual of the Wizard software and the installation instructions for the electronic modules Invacare TDX SP TDX SP N SERVICE MANUAL 8 4 8 4 1 A Batteries cables amp battery charger Making the batteries accessible ATTENTION Injury hazard and possible material da
74. justing the seat width backrest width Modulite cccceteeeseeeeeeeeeeeeeeeeeeneeeeeeeeeneees 151 B21 Adjusting the Seal widien a iat ev RA a eR aeaots 151 6 212 Adjusting the DACKNEST WIC cxcnserstvieadecean iat a a a A 153 8 213 Adjusting iNe Flexs backrest ernea a A 155 8 22 Centre mounted legrest electric amp manual ssssssnnnnnnnnunnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn nnmnnn nn 156 8 22 1 Replacing the manually operated centre mounted legrest ccceeeeseeeeeeeeeeeeeeeees 156 8 22 2 Replacing the electrically operated centre mounted IeQrest ccccseseeeeseeeeeeeeeeees 157 8 22 3 Replacing the electrically operated centre mounted legrest LNX Modulite seat 159 8 22 4 Replacing an electric legrest ACtUATOM cceeeccceeceseeeeeeeeeaeeeeeeeeeeeeeeeeesaaeeeesessaaneees 160 8 22 5 Replacing an electric legrest ACtUALOM cccceeccecsseeeeeceeeeeecaeeeeeeseaeeeeseaseeessaneeessaeess 162 8 22 6 Replacing the calf plate on the centre mounted legrest electric amp manual 164 8 22 7 Replacing the foot plate on the centre mounted legrest electric amp manual 165 S25 ANID SY SUCIN oocce ccs cesace ss eeccas et E E A 166 8 23 1 Removing the gas CyllNer cccccccecseeeeceeeceeeeeeeeeeaeeeeeeeeseeaeeeeeeaaaseeeessaaaeeeseeaaaeeeess 166 8 23 2 Repairing the gas cylinder cccccccessssssceeeesesseeeecesaeseeeesseauseeeesseasseeeesseaseeeeensaa
75. ld positions If you have replaced a DX ACS or ACS 2 Electronic module select the drive programmatically in Chapter 8 2 3 Invacare TDX SP TDX SP N SERVICE MANUAL e f anew software version is available update the drive program as described in Chapter 8 3 e Adapt the drive program using the programming software if necessary e To conclude check all the mobility aid functions 43 SERVICE MANUAL Invacare TDX SP TDX SP N 8 2 3 Replacing the G Trac sensor 7 Requirements B W e 10mm socket wrench Uninstalling the G Trac sensor e Switch the electronic of the wheelchair OFF e Remove the rear cover as described in chapter 8 1 2 e Take note of the positions of all cables and the sockets that they are connected to Mark the connectors and sockets or take a photograph with a digital camera e Loosen and remove the self locking nut 3 including the washer 4 with the 10 mm socket wrench e Remove the G Trac sensor 1 e Disconnect the cable of the G Trac sensor from the electronic module e Replace the G Trac sensor Installing the G Trac sensor e Install the G Trac sensor in reverse order e Re connect the cable connector to the electronic module e The G Trac sensor must be installed with the cable pointing upwards Test all functions of the vehicle 44 Invacare TDX SP TDX SP N SERVICE MANUAL 8 2 4 Replacing the operating hours counter connecting cable A Requirements 1 e
76. ling of damaged batteries A O Wd WARNING BURN HAZARD Injury hazard due to discharged acid e Always wear acid proof protective gloves when handling batteries e Always wear protective goggles when handling batteries What to do if acid is discharged e Always take clothing which has been soiled by or dipped in acid off immediately e Rinse any areas of your skin which has come into contact with battery acid off immediately with plenty of water If contact with eyes is made e Rinse the affected eye under running water for several minutes You should also consult an eye specialist immediately afterwards Requirements e protective goggles e acid proof gloves e acid proof transport container e If handling damaged batteries always wear suitable protective clothing e Always deposit damaged batteries in suitable acid proof containers immediately after removal e Only transport damaged batteries in suitable acid proof containers e Always wash any objects which were contacted by acid in plenty of fresh water Always dispose used or damaged batteries correctly Used and damaged batteries will be taken back by your medical equipment supplier or Invacare 57 SERVICE MANUAL Invacare TDX SP TDX SP N 8 4 5 A A Wd 9 58 Checking and replacing the main fuse Standard TDX SP CAUTION Fire hazard A short circuit can cause extremely high currents which can result in spark formation
77. llustration you can see the battery plug 1 the lighting PCB 2 for the electronic module 3 the optional cross connector 4 and the optional actuator module 5 e Loosen the cable leading to the lighting PCB from the front headlight affected e Remove all cable ties and pull the cable out of the mobility aid 66 Invacare TDX SP TDX SP N SERVICE MANUAL e Undo and remove the two Phillips screws which hold the front headlight e Replace the headlight unit Refitting the front headlight e Refit the parts in reverse order Route the cables carefully and fix them with cable ties e Check all vehicle functions 67 68 SERVICE MANUAL Invacare TDX SP TDX SP N 8 7 3 Replacing the front bulbholder AS Requirements da e Phillips screwdriver size 2 e socket spanner 13 mm Dismantling the bulbholder e Remove the complete front headlight as described in Chapter 8 7 2 e Undo the two retaining screws 2 with a 13 mm socket spanner and remove the screws complete with washers e Remove the bulbholder 1 Refitting the bulbholder e Refit the parts in reverse order e Check all vehicle functions Invacare TDX SP TDX SP N SERVICE MANUAL 8 7 4 Replacing the rear bulb 4 Requirements i e Phillips screwdriver size 2 e Undo the Philips screw in the transparent cover over the rear light indicator combination e Remove the transparent plastic cover e Replace the defective bulb
78. lt 4 through Fix the bolt with a 5 16 Allen key Fit the nut 6 with a 1 4 socket spanner onto the bolt and tighten the nut to 8 5 Nm Fit both the anti tip system protective caps Fit the drive wheel as described in Chapter 8 9 1 Replace the batteries in their correct location as described in Chapters 8 4 2 8 4 3 and 8 4 1 Remove the wooden block from under the mobility aid Invacare TDX SP TDX SP N SERVICE MANUAL 8 23 4 Replacing the setting screw A WARNING Danger of crushing The mobility device is very heavy Injury hazard to hands and feet e Use proper lifting techniques Injury hazard caused by uncontrolled movement of the mobility device e Switch the power supply off ON OFF key e Engage the drive e Before raising the vehicle secure the wheels by blocking them with wedges A Requirements My e 1 4 socket spanner e two long wooden blocks min 14 x 14 x 30 cm e M8 washer Note Invacare recommends always replacing both setting screws simultaneously in order to ensure that the mobility aid works perfectly Removing the setting screw e Lift the mobility aid up on one side and place a 14 cm high wooden block under the battery case so that the wheels are off the ground and can rotate freely Use proper lifting techniques e Repeat the same procedure on the other side of the mobility aid e Remove both the anti tip system protective caps The protective caps on the anti tip syste
79. m e 5mm Allen ke e The seat belts are attached via the drill hole 1 at the top right e The installation of seat belts is described in chapter 9 1 178 Invacare TDX SP TDX SP N SERVICE MANUAL 9 2 2 Installation on the backrest mounting bracket adjustable seat Ni Requirements had e 5mm Allen ke e Loosen the screw 1 with a 5 mm Allen key e Remove the screw 1 the corresponding washer 2 and the seat belt and belt winder 3 from the backrest mounting bracket 4 e Replace the safety belt e Refit the parts in the reverse order 179 SERVICE MANUAL Invacare TDX SP TDX SP N 9 2 3 Installation on the seat frame profile adjustable seat Ni Requirements we e 5mm Allen ke e Loosen the screw 1 with a 5 mm Allen key e Remove the screw 1 the washer 2 the seat belt the sliding bushing 3 and the sliding block 4 from the seat frame profile 5 e Replace the safety belt e Refit the parts in the reverse order 9 3 Further accessories i Note The installation instructions for additional accessories are available at your Invacare specialist supplier or directly from Invacare 180 Invacare TDX SP TDX SP N SERVICE MANUAL 10 Adjusting the seating position In order to adapt the mobility device optimally to the requirements of the user we recommend that you ask your authorised Invacare the dealer toadjust the seat depth individually Ad
80. m will either be held using a screw or a cable tie depending on the mobility aid s date of manufacture e Undo the two bolts 2 with a 1 4 socket spanner and remove the bolts together with the nylon washers 3 173 SERVICE MANUAL Invacare TDX SP TDX SP N e Undo and remove the lock nut 2 the setting screw 4 with a 1 4 socket spanner e Rotate the setting screw 4 towards the battery case until it can be removed from its holder 3 Refitting the setting screw e Screw the new setting screw 4 into the holder 3 E ao i T e Screw the two bolts 2 together with their nylon washers 3 in again e Tighten the bolts using a 1 4 socket spanner e Remove the wooden block from under the mobility aid so that all wheels and castors are in contact with the floor 174 Invacare TDX SP TDX SP N SERVICE MANUAL Note i For the following operation use an M8 washer as a thickness gauge e Rotate the setting screw 3 until it has a space of 1 5 mm A between it and the gas cylinder 4 e Fit the lock nut 2 and tighten it using a 1 4 socket spanner e Refit the two protective caps again 175 SERVICE MANUAL Invacare TDX SP TDX SP N 8 23 5 Adjusting the setting screw AS Requirements Me e 1 4 socket spanner e M8 washer A e Remove both the anti tip system protective caps The protective caps on the anti tio system will either be held using a screw
81. mages if batteries are handled improperly e The installation of new batteries may only be carried out by authorised specialists e Observe the warning information on the batteries e Only use battery versions stated in the specifications ATTENTION Fire and burns hazard if battery terminal is bypassed e Please take great care to ensure that the battery terminals are never short circuited with tools or mechanical mobility device parts e Ensure that the battery terminal caps have been replaced if you are not working on the battery terminals ATTENTION Danger of crushing The batteries are extremely heavy This results in injury hazards to your hands e Bear in mind that the batteries are sometimes very heavy e Please handle the batteries with care WARNING BURN HAZARD Injury hazard due to discharged acid e Always wear acid proof protective gloves when handling batteries e Always wear protective goggles when handling batteries What to do if acid is discharged e Always take clothing which has been soiled by or dipped in acid off immediately e Rinse any areas of your skin which has come into contact with battery acid off immediately with plenty of water If contact with eyes is made e Rinse the affected eye under running water for several minutes You should also consult an eye specialist immediately afterwards Requirements e Phillips screwdriver size 2 e 5 8 Allen key e socket spanner 11 mm Note When
82. mm open spanner T25 Torx wrench T40 Torx wrench Side cutting pliers Cable ties Remove legrests Tilt the seat tilting completely to the rear if possible Switch the electronics OFF on the remote Remove the backrest cushion Loosen and remove the screws which secure the middle seat plate A with a 3 mm Allen key Remove the middle seat plate B Loosen and remove the screws on both sides which secure the lateral seat plates C witha 3 mm Allen key Remove the lateral seat plates D or Remove the seat cushion Loosen and remove the screws on both sides which secure the sling seat A with a T25 Torx wrench Remove the sling seat B SERVICE MANUAL 141 SERVICE MANUAL Invacare TDX SP TDX SP N e Remove the seat frame by removing the screws 1 with a T40 Torx wrench e Disconnect the actuator cable and microswitch cable from the cable harness 142 Invacare TDX SP TDX SP N SERVICE MANUAL e Loosen and remove the screws 2 incl the washers with a 10 mm open spanner e Lift the module of the seat angle adjustment 1 from the adapter A or B and replace it Depending on the chassis type Adapter A Chassis TDX SP total width of 650 mm Adapter B Chassis TDX SP nb total width of 620 mm e Reassembly takes place in the reverse order Note Make sure that all screws washers and nuts are reassembled in the correct order and securely tightened during assembly
83. mote Check all cables and connecting See chapter 8 4 7 plugs Incompatible The wrong remote has been See chapters 8 2 1 remote connected Ensure that electronic and 8 2 2 module code and the remote code match Invacare TDX SP TDX SP N SERVICE MANUAL 6 4 Diagnosis of charging device faults SYMPTOM No LEDs illuminating on battery charger Batteries do not charge POSSIBLE CAUSE SOLUTION Charging device not connected Ensure that the battery _ to mains supply has been plugged in No mains supply Check the mains supply with a voltmeter Defective mains supply cable Check the mains supply cable Replace damaged cables or send the battery charger to Invacare Service for repair LEDs are burnt out Send the battery charger to Invacare Service for repair An internal fuse might be burnt Send the battery charger to out Invacare Service for repair Fuse on mobility aid has burnt Check mobility aid fuses out See chapter 8 4 5 8 4 6 Battery charger not connected Ensure that the battery charger to mobility aid has been connected to the mobility aid No mains supply Check the mains supply with a voltmeter Defective mains supply cable Check the mains supply cable Replace damaged cables or send the battery charger to Invacare Service for repair Battery charger could be Use a battery charger which defective you know is working properly to charge the batteries Send the defec
84. mote interrupted Check master See chapter fuse 8 4 5 8 4 6 See chapter 8 4 7 Check cables between the modules for loose connections and damage Remote defective Replace remote See chapter 8 2 1 Remote status Various causes Assess error code See chapter 6 2 display blinking and 6 3 Mobility aid judders in drive mode Mobility aid pulls to left or right Error message does not go out Motors stop and start irregularly Motor runs but loses None None None None None Batteries defective unstable voltage Drive motor s defective Replace carbon See chapter brushes 8 14 6 8 14 7 See chapter 8 3 Drive motors running asymmetrically Bad connections Motor brake defective Voltage decline High motor loading causes electronic module Replace batteries See chapter 8 4 2 8 4 3 Replace motor s See chapter 8 14 1 8 14 2 Change programming to synchronise motors Check all connecting cables Measure internal resistance of brakes replace motor if defective Stop journey and allow electronic to cool down Stop journey and allow electronic to See chapter 8 4 7 See chapters 7 2 and 8 14 1 8 14 2 Invacare TDX SP TDX SP N SERVICE MANUAL PROBLEM OTHER HONI SOLUTION DOCUMENTATION SYMPTOMS CAUSE to decrease cool down voltage Motors stop None High motor Leave mobility aid and do not start agai
85. move it Invacare TDX SP TDX SP N SERVICE MANUAL Installing the sealing ring e Install the sealing ring so that the square hole for the carriage bolt is on the inside of the wheelchair e Insert the carriage bolt through the sealing ring e Install the washer and the self locking nut e Do not tighten the self locking nut completely as the motor orientation must be adjusted during installation 105 SERVICE MANUAL Invacare TDX SP TDX SP N 8 14 4 Replacing the motor transmission clutch Standard Motor A CAUTION Danger of crushing The motor gearbox unit is very heavy Danger of injury to the hands e Pay attention to the heavy weight 1A Requirements 5 8 Allen key 7 8 Allen key 5 16 Allen key 6 mm Allen key Phillips screwdriver size 2 1 2 socket spanner 1 4 socket spanner 5 16 socket spanner torque wrench O0 20 Nm or similar torque wrench 5 25 Nm or similar torque wrench 10 80 Nm or similar two long wooden blocks min 14 x 14 x 30 cm Removing the motor transmission clutch e Remove the motor transmission unit as described in Chapter 8 14 1 e Loosen the two Allen screws 1 with a 6 mm Allen key and remove them including the washers 2 A WARNING Material damage hazard if the coupling is improperly handled e Please proceed carefully so that you do not damage the motor gearbox coupling e Pull the motor 3 and transmission unit 4 carefully apart
86. n loading causes switched on and electronic module allow electronic to decrease module to work voltage Charge batteries overnight with mobility aid switched on None Fuse burnt out Check cabling See chapters 8 4 7 and replace fuse and 8 4 5 8 4 6 None Motor defective Check carbon See chapter brushes and 8 14 6 8 14 7 replace if necessary Measure internal See chapters 7 1 resistance of and 8 14 1 8 14 2 motor replace motor if defective None Electronic module Replacing the see chapter 8 2 2 defective electronic module Motors lose None Bad connections Switch mobility aid See chapter 8 4 7 power during off wait 10 journey seconds switch mobility aid on again Check all cabling Motor judders None Carbon brushes Check carbon see chapter or runs worn brushes and 8 14 6 8 14 7 irregularly or replace if only one necessary motor runs Clutch es Replace clutch See chapter defective 8 14 4 8 14 5 Bearing defective Replacing the See chapter motor 8 14 1 8 14 2 Collector Measure internal See chapters 7 1 defective resistance of and 8 14 1 8 14 2 motor replace motor if defective Motors do not None Check all cabling See chapter 8 4 7 ai Fuse burnt out Check cabling see chapters 8 4 7 and replace fuse and 8 4 5 8 4 6 Batteries Replace batteries See chapter defective 8 4 2 8 4 3 Cabling to check cabling see chapter 8 4 7 electronic module or joystick defective
87. n If this does not rectify the fault determine the cause using the following link codes BLINK CODE 30 MEANING SOLUTION DOCUMENTATION Operating error Set drive lever to neutral central position just release drive lever and switch on again Battery error Check battery and mains cable See chapter 8 4 7 Charge batteries see operating manual If you switch the mobility aid off for a few minutes the batteries can often charge themselves up enough to enable a short journey You should however only use this solution in emergency situations because it results in excessive battery discharging Replace batteries See chapter 8 4 2 Fault on left hand Check motor cable and connecting See chapters 8 4 7 motor M2 plug and 7 1 Check motor Fault on right Check motor cable and connecting See chapters 8 4 7 hand motor M1 plug and 7 1 Check motor Fault at left hand Check cable and plug See chapters 8 4 7 M2 motor brake and 7 2 Fault right hand Check cable and plug See chapters 8 4 7 M1 motor brake and 7 2 Error in Shark Check bus cable in remote and See chapter 8 2 1 remote connecting plug Replace remote Error in Shark Check all the cables and plugs in the See chapters 8 4 7 electronic Shark system and 8 2 2 module Replace electronic module Communication Check all cables and connecting plugs See chapters 8 4 7 error in Shark in the Shark system and 8 2 1 system Replace re
88. n key e 5 16 Allen key e Phillips screwdriver size 2 e 1 2 socket spanner e 1 4 socket spanner e 5 16 socket spanner e torque wrench 5 25 Nm or similar e torque wrench 10 80 Nm or similar e two long wooden blocks min 14 x 14 x 30 cm Removing the motor transmission unit e Remove the drive wheel as described in Chapter 8 9 1 e Remove the wheel hub as described in Chapter 8 9 3 e Remove the bottom walking beam as described in Chapter 8 12 e Remove the top walking beam as described in Chapter 8 13 e Loosen and remove the three nuts 2 with a 5 16 socket spanner Remove the washers 3 e Take note of the optional wheel lock 6 if fitted 100 Invacare TDX SP TDX SP N SERVICE MANUAL ATTENTION Danger of crushing A The motor gearbox unit is extremely heavy Injury hazards to hands e Please note the high weight e Pull the motor transmission unit 4 off the bolt Refitting the motor transmission unit e Replace the defective parts e Refit the motor transmission unit in reverse order e Tighten the motor bolts 5 to 30 Nm 101 SERVICE MANUAL Invacare TDX SP TDX SP N 8 14 2 Replacing the motor transmission unit SSD motor A 102 WARNING Danger of crushing The wheelchair is very heavy Danger of injury to the hands and feet e Use proper lifting techniques Danger of injury due to uncontrolled movement of the wheelchair e Switch the vehicle s
89. ndividually See operation manual 10 1 2 Adjusting the seat depth 182 F 1 i B A Seat depth B Center of gravity of the seat seat position Standard seat The Seat depth is adjusted by moving the seat back Modulite seat The seat depth is adjusted by shifting the position of the backrest See User Manual Invacare TDX SP TDX SP N SERVICE MANUAL 10 2 Adjusting the center of gravity of the seat The center of gravity of the seat can be adjusted by mounting the seat frame farther towards the front or the rear on the seat A CAUTION The seating system of the electric wheelchair is delivered ex works with an optimally adjusted center of gravity Any change in this adjustment setting can negatively influence the stability of the electric wheelchair e You must perform an individual risk analysis every time you change the center of gravity of the seating position in order to ensure the safety and stability of the electric wheelchair A B A Seat depth B Center of gravity of the seat seat position 183 SERVICE MANUAL Invacare TDX SP TDX SP N i 184 Note The user weight and seat depth have strong influences on the choice of the Center of gravity of the seat If the user is heavy and the seat depth is greater the focus should be the farther back For best possible driving characteristics of rear wheel drive wheelchairs the weight to be distributed 30 40 front
90. nylon spacer 2 e Make sure the suspension arms 6 are lowered as much as possible Remove the rubber caps 5 e Press the springs together with a joiner s clamp or similar suitable clamp until the nylon stopper 4 can be removed Undo both nuts on the nylon stopper with a 5 16 socket spanner and remove the nuts the washers and the nylon stopper It may be necessary to use a blade screwdriver to loosen the nylon stopper Remove the wooden blocks or joiner s clamps carefully so that the springs are released Remove the springs Invacare TDX SP TDX SP N SERVICE MANUAL 8 11 2 Refitting the rear springs Note GD Invacare recommends always replacing both springs simultaneously in order to ensure that the mobility aid works perfectly A WARNING Danger of crushing The mobility device is very heavy Injury hazard to hands and feet e Use proper lifting techniques Injury hazard caused by uncontrolled movement of the mobility device e Switch the power supply off ON OFF key e Engage the drive e Before raising the vehicle secure the wheels by blocking them with wedges AS Requirements Pae e 5 6 Allen key e 5 32 Allen key e Phillips screwdriver size 2 e blade screwdriver e 1 4 socket spanner e 5 16 socket spanner e torque wrench 0 20 Nm or similar e oblique pliers e cable ties e M8 washer e two long wooden blocks min 14 x 14 x 30 cm 93 SERVICE MANUAL Invacare TDX SP TD
91. o have a range of maintenance work carried out on it as described in the following sub chapters 1 Replacing the guide block fixing 3 and or the clamping support 4 See chapter 8 23 2 1 2 Replacing the guide bush 1 See chapter 8 23 2 2 3 Replacing the gas cylinder See chapter 8 23 2 3 All the sub chapters relate to the following graphic da 1 EN 5 r z ka Sf sail B _S A 8 23 2 1 Replacing the guide block fixing or clamping support Removing e Remove the guide bush 1 from the gas cylinder piston 2 e Remove the guide block fixing 3 from the gas cylinder piston e Remove the clamping support 4 from the gas cylinder piston Refitting e Refit the replaced clamping support and guide block fixing in reverse order e Apply alittle Loctite 242 to the end of the gas cylinder piston in the area marked A on the graphic It is imperative that you do NOT apply Loctite to the locations marked B and C e Push the ball joint onto the gas cylinder until the end of the gas cylinder piston touches the release head 5 169 SERVICE MANUAL Invacare TDX SP TDX SP N 8 23 2 2 Replacing the guide bush Removing Remove the guide bush 1 from the gas cylinder piston 2 Refitting Apply a little Loctite 242 to the end of the gas cylinder piston in the area marked A on the graphic It is imperative that you do NOT apply Loctite to the locations marked B and C Push the new guid
92. of the brushes and the spring either replace the brushes in exactly the same position from which they were taken or fit new brushes Replace the plastic caps and tighten them Refit the top walking beams as described in Chapter 8 13 2 Refit the bottom walking beams as described in Chapter 8 12 Refit the drive wheels as described in Chapter 8 9 1 Note The following procedure is necessary to run the carbon brushes in after replacement and to therefore guarantee maximum performance WARNING Risk of accidents Hazards to workers surroundings and mobility device Do not leave the mobility device unattended during the following procedure Make sure that BOTH drive wheels are off the ground before calibrating Secure the area Lift the mobility aid up on one side and place a 14 cm high wooden block underneath it so that the drive wheel is suspended freely Use proper lifting techniques Repeat the same procedure on the other side of the mobility aid Allow the motors to run in the forward direction for an hour Allow the motors to cool down for 30 minutes Allow the motors to run in the reverse direction for an hour Lift the mobility aid off the wooden blocks 113 SERVICE MANUAL Invacare TDX SP TDX SP N 8 15 Replacing the rubber bumper Wd 114 Note Invacare recommends that you replace all the rubber bumpers as soon as one needs replacing Requirements e 5 16 socket spanner e 7 8
93. ol is shown Wear safety gloves This symbol refers to the requirement for wearing safety gloves for example when working with batteries e Wear safety gloves when this symbol is shown Note This symbol identifies general information which is intended to simplify working with your product and which refers to special functions Requirements e This symbol identifies a list of various tools components and items which you will need in order to carry out certain work Please do not attempt to carry out the work if you do not have the listed tools available Always dispose used or damaged batteries correctly The symbol refers to information for the correct disposal of used or damaged batteries SERVICE MANUAL Invacare TDX SP TDX SP N 1 5 Images in this manual The detailed images in this manual are given digits to identify various components Component numbers in text and operational instructions always relate to the image directly above Invacare TDX SP TDX SP N SERVICE MANUAL 2 Safety and fitting instructions These safety instructions are intended to prevent accidents at work and it is imperative that they are observed 2 1 Before any inspection or repair work e Read and observe this repair manual and the associated operating manual e Observe the minimum requirements for carrying out the work see chapter entitled General information 2 2 Personal safety equipment Safety shoes The mobility device and
94. or a cable tie depending on the mobility aid s date of manufacture e Ensure that the mobility aid is contacting the floor with all its wheels and castors e Loosen and remove the two locknuts 2 with a 1 4 socket spanner Note a For the following operation use an M8 washer as a thickness gauge e Rotate the setting screw 3 until it has a space of 1 5 mm A between it and the gas cylinder 4 Tip use an M8 washer as a thickness gauge e Fit the lock nut 2 and tighten it using a 1 4 socket spanner e Refit the two protective caps again 176 Invacare TDX SP TDX SP N SERVICE MANUAL 9 Installing accessories 9 1 Replacing the safety belt V7 Requirements Ve e open ended spanner 13 mm e 5mm Allen key Note O A nut is fixed between the two washers 2 and 4 as a spacer so that the belt mounting can rotate freely e Remove the plastic cap 5 e Loosen the bolt 3 and the associated nut in the figure this is covered by the plastic cap with a 5 mm Allen key and a 13 mm socket spanner e Remove the nut e Remove the bolt including safety belt and flat washers 2 and 4 e Remove the flat washers 4 e Replace the safety belt 1 e Refit the parts in the reverse order 177 SERVICE MANUAL Invacare TDX SP TDX SP N 9 2 Replacing seat belts Modulite seat 9 2 1 Installation on the backrest mounting bracket simple backrest Ni Requirements e Socket spanner 13 m
95. orrectly or improperly executed maintenance or overhaul work lead to the exclusion of all liability on the side of INVACARE If you have any problems or questions please contact Invacare Service Notes on transport If the mobility aid has to be shipped back to the manufacturer for major repairs you should always use the original packaging for transport Please attach a precise description of the fault SERVICE MANUAL Invacare TDX SP TDX SP N 1 3 D D D Definition and representation of information and safety information in this manual Different types of information and signal words are used throughout this manual HAZARD The signal word HAZARD refers to immediate hazards e The following lines in italics refer to actions which serve to avoid such hazards WARNING The signal word WARNING refers to possibly occurring hazards which can lead to death or serious injuries if they are not avoided e The following lines in italics refer to actions which serve to avoid such hazards ATTENTION The signal word ATTENTION refers to possibly occurring hazards which can lead to minor injuries and or material damage if they are not avoided e The following lines in italics refer to actions which serve to avoid such hazards CAUTION The signal word CAUTION refers to hazards which could lead to material damage if they are not avoided e The following lines in italics refer to actions which serve to a
96. otplate e Assemble the parts in reverse order e Tighten the hexagon socket head screws 3 till they are tight enough that the footplate can barely be moved In the area denoted by the 2 there is an adjustment screw that can only be reached when the footplate is swivelled upwards e Use the 1 64 Allen key to adjust the angle of the footplate to the needs of the user with this screw 165 SERVICE MANUAL Invacare TDX SP TDX SP N 8 23 8 23 1 A iI 166 Anti tip system Removing the gas cylinder WARNING Danger of crushing The mobility device is very heavy Injury hazard to hands and feet e Use proper lifting techniques Injury hazard caused by uncontrolled movement of the mobility device e Switch the power supply off ON OFF key e Engage the drive e Before raising the vehicle secure the wheels by blocking them with wedges Requirements e 5 8 Allen key e 5 16 Allen key e Phillips screwdriver size 2 e 1 4 socket spanner e 5 16 socket spanner e torque wrench 5 25 Nm or similar e M8 washer e two long wooden blocks min 14 x 14 x 30 cm e Loctite 242 if the gas cylinder is repaired e Lift the mobility aid up on one side and place a 14 cm high wooden block under the battery case so that the wheels are off the ground and can rotate freely Use proper lifting techniques Repeat the same procedure on the other side of the mobility aid e Remove both the anti tip system p
97. overing if damaged Armrest fixings Tighten screws Side panels Damage to side panels Replace side panels if damaged Seat angle Tight seating of SL Replace SL fuses if adjustment fuses necessary if fitted Seams damaged Fixing Tighten screws Check cable Replace cable motor if necessary Check function Frames Check fixings welded Tighten screws chassis seams and battery Replace components battery mounting if necessary mounting Power backrest Damage to backrest Replace parts if a Anti tip system Check gas cylinder Repair or replace if see chapter 8 23 damaged Replace gas cylinder every 2 years Check adjustment see chapter 8 23 5 20 Invacare TDX SP TDX SP N SERVICE MANUAL Component Check Remedy Notes s Wheel Check drive wheels for Adjust replace wheel See chapters 8 9 1 suspension and tight fit and side play hubs and 8 9 3 8 9 4 wheels Check steering wheels Replace wheels See chapter 8 9 for tight fit float and wheel fork or wheel side play bearings Tyres Repair or replace if See chapter 8 9 2 damaged Check suspension Repair or replace if See chapter 8 11 damaged Check straight running Replace wheels See chapter 8 8 wheel fork or wheel bearings Drive units Motors Check motors See chapter 7 clutch mechanism Check functions in drive Check carbon See chapter 8 14 and push modes brushes replace if Check clutch necessary mechanism Replace motor if necessary
98. r 8 21 1 e Loosen the socket head screws 2 in the front and rear left and right DO NOT remove e Shift the position of the seat frame e Re tighten the screws e Install the seat plate again 186
99. r actuator Channel 1 Rubber stoppers for free slots 1 Order number 1555701 2 amp 3 Order number 1552876 4 amp 5 Order number 1555700 The ACI connection is used for actuator limitation or speed reduction 4 2 4 2 ACT 4 actuator module Connections 1 ACI pe pe fal fe a fe fe a l 2 Bus cable to remote or electronic aya O module 3 Bus cable to remote or electronic module 4 Actuator Channel 4 5 Actuator Channel 3 6 Actuator Channel 2 7 Actuator Channel 1 Rubber stoppers for free slots 1 Order number 1555701 2 amp 3 Order number 1552876 4 to 7 Order number 1555700 The ACI connection is used for actuator limitation or speed reduction 4 2 5 Lighting PCB The lighting PCB connections are printed directly on the circuit board 19 SERVICE MANUAL Invacare TDX SP TDX SP N 5 Service plan 1x annually AN CAUTION Danger of injury and damage to property if the maximum speed reduction on a wheelchair with a lifter does not function correctly The wheelchair s control unit must reduce the maximum possible speed as soon as the lifter is raised e Test the maximum speed reduction for correct function after any maintenance work or modifications to the wheelchair Component Check Remedy Notes Safety belt Damage to safety belt Replace belt if See chapter 9 1 damaged Belt lock function Replace belt if See chapter 9 1 damaged Damage to armrests Replace c
100. r wheel suspension 8 10 1 A 84 Removing the rear wheel suspension WARNING Danger of crushing The mobility device is very heavy Injury hazard to hands and feet Use proper lifting techniques Injury hazard caused by uncontrolled movement of the mobility device Switch the power supply off ON OFF key Engage the drive Before raising the vehicle secure the wheels by blocking them with wedges Requirements 5 16 Allen key 5 32 Allen key Phillips screwdriver size 2 torque wrench O 20 Nm or similar torque wrench 20 80 Nm or similar oblique pliers cable ties two long wooden blocks min 14 x 14 x 30 cm Lift the mobility aid up on one side and place a 14 cm high wooden block under the battery case so that the wheels are off the ground and can rotate freely Use proper lifting techniques Repeat the same procedure on the other side of the mobility aid Remove the rear panel as described in Chapter 8 1 2 Ensure you note the cable routing carefully If necessary take photos with a digital camera Remove all cables and cable ties which are fixed to the wheel suspension or which could get in the way during work Invacare TDX SP TDX SP N SERVICE MANUAL e Undo the two bolts 3 with a 5 32 Allen key and remove the bolts including the nylon washer 2 e Undo and remove the two bolts 4 with a 5 16 Allen key and remove the bolts including the bushes 5 If only one of the two bolts
101. rds to your hands e Bear in mind that the batteries are sometimes very heavy e Please handle the batteries with care WARNING BURN HAZARD Injury hazard due to discharged acid e Always wear acid proof protective gloves when handling batteries e Always wear protective goggles when handling batteries What to do if acid is discharged e Always take clothing which has been soiled by or dipped in acid off immediately e Rinse any areas of your skin which has come into contact with battery acid off immediately with plenty of water If contact with eyes is made e Rinse the affected eye under running water for several minutes You should also consult an eye specialist immediately afterwards Requirements e Phillips screwdriver size 2 e 5 8 Allen key e socket spanner 11 mm 53 SERVICE MANUAL Invacare TDX SP TDX SP N 54 Removing the batteries e Make the batteries accessible as described in Chapter 8 4 1 e Remove the terminal caps e Remove the terminal bolts 3 with an 11 mm socket spanner First remove the negative terminal bolt After this you can remove the positive terminal bolt e Remove the connection cable 4 and the connection cable with the main fuse 4 e Open the battery strap 5 e Lift the batteries 6 out of the battery carrier 1 Refitting the batteries e Refit the batteries in reverse order e Ensure that the battery cage sockets plugs have been correctly refitted A polarity
102. rotective caps The protective caps on the anti tip system will either be held using a screw or a cable tie depending on the mobility aid s date of manufacture Remove the batteries as described in Chapters 8 4 1 and 8 4 2 8 4 3 Remove the drive wheel as described in Chapter 8 9 1 Invacare TDX SP TDX SP N SERVICE MANUAL e Rotate the top walking beam 5 so that you can reach the screw 4 on the gas cylinder through the drillhole 3 in the battery case e Remove the nut 6 with a 1 4 socket spanner Use a 5 16 Allen key to counter the bolt while doing so e Push the bolt 4 towards the battery case so that the gas cylinder 1 is separated from the walking beam e Push the gas cylinder against the battery case e Raise the rear axle so that the gas cylinder is activated and then retract the cylinder e Push the gas cylinder to the rear and pull it off the battery case 167 SERVICE MANUAL Invacare TDX SP TDX SP N e Undo the two Allen screws 9 with a 1 4 Allen key e Remove the bolts together with the washers 3 and the plates 2 and 4 e Remove the gas cylinder from the mounting 5 e Remove the guide bush 1 if you wish to replace it or the gas cylinder itself e Remove the guide bush fixing 3 and or the clamping support 4 168 Invacare TDX SP TDX SP N SERVICE MANUAL 8 23 2 Repairing the gas cylinder When a gas cylinder has been removed it can be completely replaced or t
103. rs 8 4 2 and 8 4 1 A WARNING Danger of crushing The seat is very heavy Injury hazard to hands and feet e Use proper lifting techniques e Refit the seat e Adjust the anti tio system as described in Chapter 8 23 5 127 SERVICE MANUAL Invacare TDX SP TDX SP N 8 17 3 Replacing the tilt actuator Note This chapter only deals with the replacement of the tilt actuator If you wish to replace the complete tilt module please proceed as described in Chapter 8 17 1 2 or 8 17 2 WARNING Danger of crushing The seat is very heavy Injury hazard to hands if the seat is unintentionally folded down e Use proper lifting techniques e Ensure that the seat is properly secured before you start removing the actuator AS Requirements ai e retaining ring pliers e oblique pliers e cable binder Note Make a careful note of the seat settings Mark the fitting positions alignments cable routing etc and take photos with a digital camera if necessary Every change to the seat settings influences the centre of gravity of the mobility device If the seat settings are changed the anti tip system settings must be checked and readjusted if necessary as described in Chapter 8 23 5 Removing the tilt actuator e Run the lifter up to the top position if possible e f possible tilt the seat with the tilt module as far as possible to the rear e Switch the controller off The actuator module for the lifter and the t
104. s and feet e Use proper lifting techniques Requirements e 5mm Allen key e 6mm Allen key e 10mm socket spanner e 19mm socket spanner e Screwdriver e two long wooden blocks min 14 x 14 x 30 cm Removing the carbon brushes e Switch the mobility aid off e Remove the drive wheels as described in Chapter 8 9 1 e Disengage the motor 1 by setting the engaging lever to Push Note In the case of the SSD motor you can unto the bolt 5 with a 10 mm socket spanner and then turn the motor around so that you can access the rear carbon brushes more easily e Undo all four plastic caps 3 with a blade screwdriver and remove the caps e Pull the carbon brushes 4 a little out of the brush holder Note the fixing position and location of the carbon brushes Note If the carbon brushes were checked but not replaced you must know their exact fitting position Used carbon brushes need to the refitted exactly in the same position from which they were taken in order to guarantee optimum contact to the collector Invacare TDX SP TDX SP N SERVICE MANUAL A Make a marking on the motor and the carbon brushes in order to guarantee correct refitting Remove the carbon brushes complete from the mounting 2 Check the carbon brushes and springs for the level of wear broken components or discolouration Refitting the carbon brushes Depending on the condition of the brushes and the spring either replace the br
105. s have black valve caps e Puncture protected tyres have red valve caps e puncture proof tyres have no valves Please proceed in accordance with the appropriate chapter e Replacing pneumatic tyres see Chapter 8 9 2 1 e Replacing puncture protected tyres see Chapter 8 9 2 2 e Replacing puncture proof tyres see Chapter 8 9 2 3 8 9 2 1 Replacing pneumatic tyres Note Gp Pneumatic tyres have black valve caps Puncture protected tyres have red valve caps AS Requirements iM e 7 8 Allen key e two long wooden blocks min 14 x 14 x 30 cm e torque wrench 5 25 Nm or similar e Repair kit for tyre repair or a new inner tube e Tyre pump or compressor e Talcum powder 17 SERVICE MANUAL Invacare TDX SP TDX SP N A 18 Removing the tyres e Remove the wheel as described in Chapter 8 9 1 ATTENTION Explosion hazard There is considerable pressure in the tyre Danger of injury Parts can be thrown out and injure you if you do not evacuate all the air from the tyre e Press the release pin in the valve inwards and evacuate all the air from the tyre e Remove the valve cover 4 e Press the release pin in the valve inwards and evacuate all the air from the tyre e Loosen the five 7 8 Allen screws 2 on the inside of the wheel e Remove the inside 3 and outside ring 1 on the wheel rim from the tyres 5 e Replace any defective or worn parts Refitting the tyres e Refit the tyr
106. seat plates C witha 3 mm Allen key Remove the lateral seat plates D or Remove the seat cushion Loosen and remove the screws on both sides which secure the sling seat A with a T25 Torx wrench Remove the sling seat B 151 SERVICE MANUAL 152 Loosen and remove the screws of the seat frame adjustment A with a T40 Torx wrench Loosen and remove the screws of the fixation of the legrest mounting brackets B Invacare TDX SP TDX SP N Adjust the seat frame and the legrest fixation to the desired width according to the following illustrations and tables Seat frame Screw position Seat width B 480mm KF RRQ Df 880mm S Leg supports connection Screw position Seat width B 430mm PD 530mm Note When switching from 430 mm to 480 mm and the other way around the fixation of the legrests must be replaced Reposition the screws and tighten them again Install the seat plate or the sling seat Reposition the seat cushion La Invacare TDX SP TDX SP N SERVICE MANUAL 8 21 2 Adjusting the backrest width W Fap Fa The backrest width is adjusted by performing the following tasks e Adjust the backrest tube e Adjust the backrest Sling backrest as described in chapter 8 18 1 Flex3 backrest as described in chapter 8 21 3 e Replace the backrest cushion these are available in various widths When modifying
107. sed Block method e Lift the suspension arm and place wooden blocks or similar underneath it until the springs are pressed together and the nylon spacer 2 can be fitted into the recesses provided in the suspension 6 Clamp method e Remove the rubber caps 9 e Press the springs together with a joiner s clamp or similar suitable clamp until the nylon spacer 2 can be fitted into the recesses provided in the suspension 6 Fit the two bolts 3 including the nylon spacer 2 Tighten the bolts to 8 5 Nm Replace the two rubber caps 9 if necessary Reinsert all the necessary plugs and fix the cables with cable ties as previously see also Chapter 8 4 8 Refit the rear panel as described in Chapter 8 1 2 Lift the mobility aid off the wooden blocks Check all the mobility aid functions If necessary carry out adjustments to the setting screw on the anti tip system as described in Chapter 8 23 5 Invacare TDX SP TDX SP N SERVICE MANUAL 8 11 Rear springs 8 11 1 Removing the rear springs Note Invacare recommends always replacing both springs simultaneously in order to ensure that the mobility aid works perfectly WARNING Danger of crushing The mobility device is very heavy Injury hazard to hands and feet e Use proper lifting techniques Injury hazard caused by uncontrolled movement of the mobility device e Switch the power supply off ON OFF key e Engage the drive e Before raising t
108. seeess 169 8 23 2 1 Replacing the guide block fixing or clamping support ccecceeeeeeeeeeeeeeeeeeeeess 169 8 23 2 2 Replacing the guide DUS Misi seceecicss dade a ieee Ace 170 8 23 2 3 Replacing the gas CYlINGED scsi endosteal 170 8 29 95 Renting ING gas CVING Sl sise a a liane taatedubiinnindatuarecietwonubters 171 8 23 4 Replacing ING setting SCLEW resigna a aa aa eraa a aa aeaa 173 8 23 5 Aaj siing Me seting SCrEW renia a n a aa a a a 176 Installing accessories 177 9 1 Replacing the Safety Del sisean s a oaa aa E aai 177 9 2 Replacing seat belts Modulite seat cccccesssessseeeseeeesseeeeeeenseeesseoenseeeseoonseeeseoeenseessees 178 9 2 1 Installation on the backrest mounting bracket simple backrest ccccseseeeesseeees 178 9 2 2 Installation on the backrest mounting bracket adjustable Seat ccccseeeeeeeeeeees 179 9 2 3 Installation on the seat frame profile adjustable Seat ccceeeeeeeeeeeeeeeeeeeseeeeeess 180 9 3 PUPFINGK ACCESS ONICS snsscasexcecesesccussazs cece oseccosteseexiacssccacesanewtsasecessecensctyaccesounstesasteceoseseucsassecwens 180 Adjusting the seating position 181 10 1 Adjusting the lower leg length and Seat depth cc cecceeeseeseeneeeeeseeeeeseseesseseeneeseeneesees 182 10 1 1 Adjusting the lower leg length cceccccccceseseeeeceeeeeeeeeceeeeeceesseeeeseeesesaaeeeeessenseeeeeeas 182 10 1 2 AG USTING ING seardepth aisiais Radian
109. sen and remove the screws on both sides which secure the lateral seat plates C with a 3 mm Allen key Remove the lateral seat plates D or Remove the seat cushion Loosen and remove the screws on both sides which secure the sling seat A with a T25 Torx wrench Remove the sling seat B 145 SERVICE MANUAL Invacare TDX SP TDX SP N Uninstalling the seat support adjustable seat simple seat YA Requirements EU e 6mm Allen key e 13 mm ring spanner or jaw spanner The following figure shows the seat support with the adjustable seat plate e Loosen and remove the screws 2 incl washers and nuts with a 6 mm Allen key and a 13 mm jaw spanner e Pull the seat frame 1 up and off e Loosen and remove the screws 4 incl washers and nuts with a 6 mm Allen key anda 13mm jaw spanner e Remove the seat adapter 3 The dismantling of the seat support on the chassis is described in chapter 8 17 5 146 Invacare TDX SP TDX SP N SERVICE MANUAL Installing the seat and seat support e Assemble all parts in reverse order Note Make sure that all screws washers and nuts are reassembled in the correct order and securely tightened during assembly O e When installing the seat pay attention to its heavy weight e Tighten the screws to a torque of 25 Nm e Check all functions of the vehicle and go for a test drive 147 SERVICE MANUAL Invacare TDX SP TDX SP N 8 20 Backrest Mod
110. some of its components are very heavy These parts can result in injuries to the feet if they are allowed to drop e Wear standardised safety shoes during all work Eye protection It is possible that battery acid can be discharged when working on defective batteries or when handling batteries improperly e Always wear eye protection when working on any defective or possibly defective batteries Safety gloves It is possible that battery acid can be discharged when working on defective batteries or when handling batteries improperly e Always wear acid proof safety gloves when working on any defective or possibly defective batteries 2 3 General safety information and information about fitting removal WARNING Danger of crushing Various components such as the drive unit batteries seat etc are very heavy This results in injury hazards to your hands e Please note the high weight of some components This applies especially to the removal of drive units batteries and the seat WARNING Injury hazard if the vehicle starts moving unintentionally during repair work e Switch the power supply off ON OFF key e Engage the drive e Before raising the vehicle secure the wheels by blocking them with wedges 11 SERVICE MANUAL Invacare TDX SP TDX SP N A A i A ATTENTION Fire and burn hazard due to electrical short circuit e The mobility device must be completely switched off before
111. sses how to replace a tilt module max gt 30 on a chair without a lifter Similar tasks are described In the following chapters e Replacing only the seat support chapter 8 17 5 e Replacing a tilt module max lt 30 chapter 8 17 1 2 e Replacing a combined lifter tilt module chapter 8 17 2 e Replacing only the tilt actuator chapter 8 17 3 e Replacing only the lifter actuator chapter 8 17 4 A WARNING Danger of crushing The seat and the tilt module are very heavy Injury hazard to hands and feet e Use proper lifting techniques 1A Requirements iai e Phillips screwdriver size 2 e 1 2 socket spanner e 13 32 socket spanner e 5 32 Allen key e oblique pliers e cable ties Note GD Make sure you have noted the seat settings Mark the fitting positions alignment etc If necessary take photos with a digital camera Any changes to the seat settings influence the centre of gravity of the mobility aid If changes are made to the seat settings the anti tip system settings must be checked and readjusted if necessary as described in Chapter 8 23 5 Removing the tilt module e Remove the legrests e Remove the seat cushion e Activate the tilt module to tilt the seat a little towards the rear e Remove the rear panel as described in Chapter 8 1 2 116 Invacare TDX SP TDX SP N SERVICE MANUAL e Pull the tilt module plug 1 out of the actuator module e Unclip the cable Remov
112. st 1 by loosening and removing the five hexagon socket head screws 3 TET je no pal p p Y d d p D Sf i f T gt Ait y e Remove both Phillips screws A on the middle plate EE 2 e Shift the position of the rear plate halves three settings are possible using the drill holes Before pulling the Flex3 backrest apart a 1 will be visible in the small rectangular cut out After pulling the Flex3 backrest apart a 2 will be visible in the small rectangular cut out e Re insert the two screws A into the middle plate e Fasten the front lateral plates 2 and 4 again 155 SERVICE MANUAL Invacare TDX SP TDX SP N 8 22 Centre mounted legrest electric amp manual 8 22 1 Replacing the manually operated centre mounted legrest A WARNING Danger of crushing The legrest is very heavy Danger of injury to hands and feet Pay attention to the heavy weight VV Requirements a4 e 5mm Allen key e 6mm Allen key e Side cutting pliers e Cable ties Uninstalling the manually operated centre mounted legrest An electric legrest can be seen in the illustration The method of fixation to the seat is identical with both legrests e Uninstall the locking lever for the height adjustment of the legrest by loosening the grub screws with a 5 mm Allen key e Use the 6 mm Allen key to loosen and remove the two hexagon socket head screws 2 on both sides of the wheelchair
113. t ekedeed aaa eleeietieked 182 10 2 Adjusting the center of gravity of the Se at scceeeeeeeeeeneeeeeeeeeeeeeenaaeeeeeeeeeenenaneeneees 183 10 2 ds otandard SCA ss scanct soe a E O O delat 185 10 2 2 WONG SCO sok solace ea lk Sel ted Sahn his a eles oo 185 10221 Adjustable seals asa E E A 185 10 222 SIMPE Seaton a T E A aeeadace eis 186 Invacare TDX SP TDX SP N SERVICE MANUAL 1 1 1 2 Introduction General information Service and maintenance work must be carried out taking this service manual into account It is imperative that you observe safety information Information about operation or about general maintenance and care work on the mobility aid should be taken from the operating manual You can find information about ordering spare parts in the spare parts catalogue Only use original Invacare spare parts The guarantee will become invalid if other spare parts are used We reserve the right to make any alterations on the grounds of technical improvements The mobility aid may only be maintained and overhauled by qualified personnel The minimum requirement for service technicians is suitable training such as in the cycle or orthopaedic mechanics fields or sufficiently long term job experience Experience in the use of electrical measuring equipment multimeters is also a requirement Special Invacare training is recommended Alterations to the mobility aid which occur as a result of inc
114. t the self locking nut is located on the outside If the sealing ring is incorrectly installed rotate it around as described in chapter 8 14 3 Install the motor gearbox unit in reverse order Use the scale to align the motor to the centre axis 1 2 pole motors and 4 pole motors Left 0 Right 0 Make sure that the motor cable cannot be pinched or bent and that it is not exposed to chafing in any place To conclude you should always carry out a trial run to test the vehicle functions 103 SERVICE MANUAL Invacare TDX SP TDX SP N 8 14 3 Replacing or rotating the motor gearbox unit sealing ring SSD motor CAUTION Danger of crushing The motor gearbox unit is very heavy Danger of injury to the hands Pay attention to the heavy weight A Requirements 6 mm Allen key 5 8 Allen key 7 8 Allen key 5 16 Allen key Phillips screwdriver size 2 10 mm socket spanner 1 2 socket spanner 1 4 socket spanner 5 16 socket spanner torque wrench 0 25 Nm or similar torque wrench 10 80 Nm or similar two long wooden blocks min 14 x 14 x 30 cm Uninstalling the sealing ring 104 Uninstall the motor gearbox unit as described in chapter 8 14 2 Use the 10 mm socket wrench to loosen and remove the self securing nuts 2 including the washers Remove the carriage bolt 2 which secures the sealing ring 3 Carefully bend the sealing ring apart and re
115. te GD Make sure you have noted the seat settings Mark the fitting positions alignment etc If necessary take photos with a digital camera Any changes to the seat settings influence the centre of gravity of the mobility aid If changes are made to the seat settings the anti tip system settings must be checked and readjusted if necessary as described in Chapter 8 23 5 Dismantling the seat support e Remove the seat Use proper lifting techniques e Remove the batteries as described in Chapters 8 4 1 and 8 4 2 8 4 3 Undo the bolt 3 with a 5 16 socket spanner Hold the seat support 1 firmly while you remove the bolts 3 and the metal plates 2 136 Invacare TDX SP TDX SP N SERVICE MANUAL Refitting the seat carrier Hold the seat support 1 firmly while you fit the bolts 3 and the metal plates 2 screw the bolts in but do not tighten them Use the protractor to adjust the seat carrier to the required angle Tighten the bolts to 18 Nm Refit the batteries including battery carrier as described in Chapters 8 4 2 8 4 3 and 8 4 1 Refit the seat Adjust the anti tio system as described in Chapter 8 23 5 137 SERVICE MANUAL Invacare TDX SP TDX SP N 8 18 Backrest Unit 8 18 1 Adjusting backrest former The backrest former can be individually adapted to the user s back shape e Pull the front and rear faces of the backrest upholstery 1 apart and remove The backrest upholstery front and
116. ted discharge with three joiner s clamps When doing so ensure that you do not scratch the rims e Undo the five 7 8 Allen screws 2 on the inside of the wheel e Now loosen the joiner s clamps carefully and alternately until you can remove the rim rings without danger e Remove the inner 3 and outer 1 ring of the rim from the tyre 4 e Replace any defective or worn parts Refitting the tyres e Refit the tyres to the rim in the reverse sequence e When fitting the rim rings together ensure that the drillholes and threads for the bolts are placed exactly above each other e Place the joiner s clamps in position e Tighten the joiner s clamps alternately in small stages until the rim rings are precisely aligned e Tighten the Allen screws 2 to 18 Nm 81 SERVICE MANUAL Invacare TDX SP TDX SP N 8 9 3 A 82 Replacing the drive wheel hub Standard motor CAUTION Possible material damage to mobility device Collisions can be caused if the adjusting washers are removed during fitting work to the drive wheels Adjusting washers are often fitted between the drive shaft and the wheel hub to even out tolerances If these adjusting washers are removed and not replaced again collisions can be caused Always replace the adjusting washers exactly as they were before you started dismantling Requirements e socket spanner 20 mm Removing the drive wheel hub e Loosen and remove the nuts 4 with a
117. the 5 16 x2 50 Allen screw 5 is in line with the opening 3 in the battery case 4 Rotate the top walking beam 11 until the drillhole for the Allen screw 5 is in line with the opening 3 in the battery case 4 Push the Allen screw 5 through the gas cylinder and the top walking beam Fit the 1 4 20 nut 10 onto the Allen screw 5 and tighten it to 8 5 Nm Refit the rubber bumper as described in Chapter 8 15 Refit the front castor housing as described in Chapter 8 16 Invacare TDX SP TDX SP N SERVICE MANUAL e Refit the batteries as described in Chapters 8 4 1 and 8 4 2 8 4 3 e Refit the rear panel as described in Chapter 8 1 2 e Refit the front panel as described in Chapter 8 1 1 e Fit the drive wheel as described in Chapter 8 9 1 99 SERVICE MANUAL Invacare TDX SP TDX SP N 8 14 Drive unit 8 14 1 Replacing the motor transmission unit Standard motor A WARNING Danger of crushing The wheelchair is very heavy Danger of injury to the hands and feet e Use proper lifting techniques Danger of injury due to uncontrolled movement of the wheelchair e Switch the vehicle s power system off ON OFF key e Engage the drive motors e Secure the vehicle against rolling away by placing wedges under the wheels ATTENTION Danger of crushing The motor gearbox unit is extremely heavy Injury hazards to hands e Please note the high weight 1A Requirements i e 5 8 Allen key e 7 8 Alle
118. the backrest width the seat width must also be correspondingly adapted Please see chapter 8 21 1 Requirements e 3mm Allen key e 5mm Allen key e 13mm Open ended spanner The screw position for the backrest width refer to the table Screw position Seatwidth B m Oo D 880mm 153 SERVICE MANUAL Invacare TDX SP TDX SP N 154 Remove the backrest cushion Loosen the straps of the sling backrest or remove the Flex3 backrest Loosen and remove both screws 5 of the actuator fixation bracket Remove the cover of the actuator fixation bracket Loosen and remove the screws and nuts 2 4 on the upper and lower actuator fixation bracket on both sides Adjust the backrest fixation 6 for the new backrest width according to the table on page 153 Insert the screws 2 through the cover of the actuator fixation bracket and the corresponding holes of the backrest fixation to the actuator fixation Fasten these with the nuts 4 Reposition the cover of the actuator fixation bracket Insert and tighten the screws 5 again Adjust the straps of the sling backrest to the new width or install the adjusted Flex 3 backrest Install the backrest cushion Perform a function check of the chair Invacare TDX SP TDX SP N SERVICE MANUAL 8 21 3 Adjusting the Flex3 backrest 1A Requirements EU e Phillips screwdriver e 5mm Allen key e Remove the front lateral plates 2 and 4 from the backre
119. the parts in reverse order e Tighten the bolt 6 and the nut 2 to 18 Nm 19 SERVICE MANUAL Invacare TDX SP TDX SP N 8 9 Drive wheels 8 9 1 Replacing the drive wheel A WARNING Danger of crushing The mobility device is very heavy Injury hazard to hands and feet e Use proper lifting techniques Injury hazard caused by uncontrolled movement of the mobility device e Switch the power supply off ON OFF key e Engage the drive e Before raising the vehicle secure the wheels by blocking them with wedges 4 Requirements ad e 7 8 Allen key e two long wooden blocks min 14 x 14 x 30 cm e torque wrench 5 25 Nm or similar Removing the drive wheel e Lift the mobility aid up on one side and place a 14 cm high wooden block underneath it so that the drive wheel is off the ground and can rotate freely Use proper lifting techniques e f necessary repeat this procedure for the other side of the mobility aid e Remove the five 7 8 Allen screws 1 e Take the wheel 2 off the wheel hub Refitting the drive wheel e Refit the wheel in reverse order e Tighten the bolts to 18 Nm 76 Invacare TDX SP TDX SP N SERVICE MANUAL 8 9 2 Replacing the tyre or inner tube Note GD There are three different types of tyres or inner tubes and specific points must be observed for the replacement of each type It is easy to tell the difference between the tyre or inner tube types e Pneumatic tyre
120. tive battery charger to Invacare Service for repair Battery voltage is too low to Replace the batteries See operate mobility aid chapter 8 4 2 8 4 3 31 SERVICE MANUAL Invacare TDX SP TDX SP N 7 Test procedures 7 1 Testing the motor AS Requirements da e Phillips screwdriver size 2 e digital multimeter with resistance measurement e Remove the rear panel as described in Chapter 8 1 2 e Pull the motor plug 3 out of the electronic module e Connect the digital multimeter to the motor plug contacts 3 and measure the resistance between the contacts Note A resistance of between 0 5 and 5 ohms indicates a motor ready for operation A resistance of between 15 ohms and infinity indicates a defective motor High resistances are normally caused by bad connections or worn carbon brushes 32 Invacare TDX SP TDX SP N SERVICE MANUAL 7 2 Testing the electro mechanical parking brake Note GD This test should only be carried out on mobility aids with conventional motor transmission units AS Requirements da e Phillips screwdriver size 2 e digital multimeter with resistance measurement e Remove the rear panel as described in Chapter 8 1 2 e Pull the motor plug 3 out of the electronic module e Connect the digital multimeter to the adjacent central motor plug contacts 3 and measure the resistance between the contacts e lf there is a defect replace the motor and send it to Invacare
121. ule please proceed as described in Chapter 8 17 2 Possible methods The lifter actuator is very easy to replace if the lifter has been raised completely Replacement is slightly more complicated if the lifter is in the lowered position and cannot be run up The work required for both methods is described below e f you wish to replace the lifter when it is in the raised position please proceed as described in Chapter 8 17 4 1 e f you wish to replace the lifter when it is in the lowered position please proceed as described in Chapter 8 17 4 2 Method 1 Removing the lifter actuator when the lifter is raised WARNING Danger of crushing The seat is very heavy Injury hazard to hands if the seat is unintentionally folded down e Use proper lifting techniques e Ensure that the seat is properly secured before you start removing the actuator Requirements e retaining ring pliers e oblique pliers e cable binder Note Make a careful note of the seat settings Mark the fitting positions alignments cable routing etc and take photos with a digital camera if necessary Every change to the seat settings influences the centre of gravity of the mobility device If the seat settings are changed the anti tip system settings must be checked and readjusted if necessary as described in Chapter 8 23 5 e Run the lifter up to the top position if possible e f possible tilt the seat with the tilt module as far as possible to the
122. ulite 8 20 1 Replacing the standard backrest UA Requirements BU e 5mm Allen key Dismantling the backrest unit e Remove the backrest cushion e Loosen the fixation lever 2 of the backrest tube e Remove the backrest tube Use the Allen key to loosen and remove the hexagon socket head screws 3 including the nuts and washers on the left and right side of the chair Refitting the backrest unit e Replace the parts in the reverse order e Toconclude you should always carry out a trial run to test the vehicle functions 148 Invacare TDX SP TDX SP N SERVICE MANUAL 8 20 2 Replacing the backrest mounting bracket Ni Requirements ad e 5mm Allen key Dismantling the backrest unit e Remove the backrest cushion e Loosen the fixation levers 2 of the corresponding backrest tube 1 depending on the version There are two versions 2 for the manual backrest 3 for the electrically adjustable backrest e Remove the backrest tube A i hkh e Loosen and remove the two hexagon socket head screws 4 to the sliding block 5 on the left and right side of the chair Refitting the backrest unit e Replace the parts in the reverse order Toconclude you should always carry out a trial run to test the vehicle functions 149 SERVICE MANUAL Invacare TDX SP TDX SP N 8 20 3 Replacing the backrest mounting bracket for SB 53 Ni Requirements ad e 5mm Allen key Dismantling the
123. ushes wet Check drive shaft replace transmission if defective Drive shaft movable or bent Irregular None running Batteries not being charged Batteries defective Replace batteries LEDs blinking on Charging unit See chapters 8 14 1 8 14 2 8 14 4 8 14 5 and 8 14 6 8 14 7 See chapters 8 14 1 8 14 2 and 8 14 4 8 14 5 Parts lost Reattach parts once found None Fuse burnt out Check cabling See chapters 8 4 7 cable defective and replace fuse and 8 4 5 8 4 6 See chapter 8 4 2 8 4 3 Replace chargino See chargino unit Invacare TDX SP TDX SP N SERVICE MANUAL PROBLEM OTHER HONY 8 SOLUTION DOCUMENTATION SYMPTOMS CAUSE P charging unt operating manual Short None One of the Replace batteries See chapter charging batteries could be 8 4 2 8 4 3 period defective Mobility aid Remote defective Replace remote see chapter 8 2 1 runs too slowly Batteries Replace batteries See chapter defective 8 4 2 8 4 3 Actuator does Remote shows Lighting actuator Replace lighting See chapter 8 2 2 not react blinking E or module defective actuator module blink code 2 Status diode on lighting actuator module does not go out even if the remote has been switched off or disconnected Cable Safeguard cable See chapter 8 4 7 disconnected or connection damaged replace cable if necessary Electrical Check adjusting adjusting motor motor defective Remote def
124. ushes in exactly the same position from which they were taken or fit new brushes Replace the plastic caps and tighten them Refit the top walking beams as described in Chapter 8 13 2 Refit the bottom walking beams as described in Chapter 8 12 Refit the drive wheels as described in Chapter 8 9 1 Note The following procedure is necessary to run the carbon brushes in after replacement and to therefore guarantee maximum performance WARNING Risk of accidents Hazards to workers surroundings and mobility device Do not leave the mobility device unattended during the following procedure Stellen Sie sicher dass BEIDE Antriebsr der angehoben werden und den Boden nicht ber hren k nnen Secure the area Lift the mobility aid up on one side and place a 14 cm high wooden block underneath it so that the drive wheel is suspended freely Use proper lifting techniques Repeat the same procedure on the other side of the mobility aid Allow the motors to run in the forward direction for an hour Allow the motors to cool down for 30 minutes Allow the motors to run in the reverse direction for an hour Lift the mobility aid off the wooden blocks 111 SERVICE MANUAL Invacare TDX SP TDX SP N 8 14 7 Replacing the carbon brushes Standard motor Note Always replace all the carbon brushes on both motors WARNING Danger of crushing The mobility device is very heavy Injury hazard to hands and feet e Use proper lifting
125. version newer version available a Invacare TDX SP TDX SP N SERVICE MANUAL o Operational faults The various electronic modules can be fitted in connection with differing remotes in the mobility aid Rectification of operational faults is dependent on the electronic module fitted The electronic modules used are described in Chapter 4 2 Note The tables for rectification of operational faults listed in the following chapters are only an excerpt from the original manufacturer s manuals You can obtain the original manuals from Invacare If you have problems with the mobility aid please proceed as follows e First assess the possible cause of the problem using the following table e Check the remote status display Evaluate the error code e Carry out the necessary checks and repairs as recommended in the following table 23 SERVICE MANUAL 6 1 24 Invacare TDX SP TDX SP N Drive fault diagnosis POSSIBLE SOLUTION DOCUMENTATION CAUSE Drive motors disengaged PROBLEM OTHER SYMPTOMS The remote status display illuminates normally and displays blink code 5 6 Remote status display does not illuminate Engage drive motors See operating manual Mobility aid will not start Batteries Replace batteries See chapter defective 8 4 2 8 4 3 Completely Pre charge See operating manual discharge battery batteries Power supply to re
126. void such hazards Note The signal word Note is used to denote general information which simplifies the handling of your product and refers to special functions Invacare TDX SP TDX SP N SERVICE MANUAL 1 4 O9 amp PP PP PDP Pb tia X Hazard symbols and symbols used Different types of hazard symbols and symbols are used throughout this manual General hazards This symbol warns you of general hazards e Always follow the instructions to avoid injury to the user or damage to the product BURN HAZARD This symbol warns you of the danger of chemical burns for example due to the discharge of battery acids e Always follow the instructions to avoid injury to the user or damage to the product DANGER OF CRUSHING This symbol warns you of crushing hazards due to inattentive working with heavy components e Always follow the instructions to avoid injury to the user or damage to the product EXPLOSION HAZARD This symbol warns you of an explosion hazard which can be caused by excessive tyre pressure in a pneumatic tyre e Always follow the instructions to avoid injury to the user or damage to the product Wear safety shoes The symbol refers to the requirement for wearing safety shoes e Wear standardised safety shoes during all work Wear eye protection This symbol refers to the requirement for wearing eye protection for example when working with batteries e Wear eye protection when this symb
127. y device due to improperly tightened screws nuts or plastic connections e Always tighten screws nuts etc to the stated tightening torque e Only tighten screws or nuts which are not listed here fingertight 13 SERVICE MANUAL Invacare TDX SP TDX SP N 4 Layout of components and componentry 4 1 Overview At rear underneath seat Electronic modules The electronic modules are located underneath the rear cover panel 1 The electronic modules used are described in Chapter 4 2 In rear cover 1 Operating hours counter optional Invacare TDX SP TDX SP N SERVICE MANUAL At the front underneath the seat 1 actuator module optional 2 lifter actuator optional 3 tilt actuator optional 15 SERVICE MANUAL 4 2 Electronic modules Invacare TDX SP TDX SP N A variety of electronic modules can be fitted to the mobility aid Before you connect any mobility aid components such as adjusting motors actuators or motors to the electronic modules you should first ensure that you know exactly which electronic module has been fitted Please refer to the following table for an overview Electronic module Designation ACS 2 ACS 2 PMA90L ACS 2 ACT actuator module ACT actuator module Lighting PCB REM 24 REM A REM B REM 550 The actuator module is optional Shark II remote The lighting PCB is optional The actuator module is optional The lightin

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