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Invacare ® TDX-SP / TDX

1. PROBLEM OTHER POSSIBLE SOLUTION Documentation SYMPTOMS CAUSE Irregular None Drive shaft Check drive shaft See chapters running movable or bent replace 8 19 1 8 19 2 and transmission if 8 19 4 8 19 5 defective Parts lost None Parts lost Reattach parts once found Batteries None Fuse burnt out Check cabling and See chapters 8 2 7 and not being cable defective replace fuse 8 2 5 8 2 6 charged l Batteries Replace batteries See chapter 8 2 2 8 2 3 defective LEDs blinking Charging unit Replace charging See charging unit on charging unit defective unit operating manual Short None One of the Replace batteries See chapter 8 2 2 8 2 3 charging batteries could period be defective Mobility aid None Remote Replace remote See chapter 8 6 1 runs too defective Sowy Batteries Replace batteries See chapter 8 2 2 8 2 3 defective Actuator Remote shows Lighting Replace lighting See chapter 8 6 2 does not blinking E or actuator module actuator module react blink code 2 defective Status diode on lighting actuator module does not go out even if the remote has been switched off or disconnected None Cable Safeguard cable See chapter 8 2 7 disconnected or connection damaged replace cable if necessary Electrical Check adjusting adjusting motor motor defective Remote Replace remote See chapter 8 6 1 defective 1 Only applies to remote SD24 2 All remot
2. 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 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 39 SERVICE MANUAL Invacare TDX SP TDX SP N 40
3. 82 Note 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 8 Replacing a tilt module max gt 30 Chapter 8 9 1 Replacing a tilt module max lt 30 Chapter 8 9 2 Replacing the tilt actuator only Chapter 8 9 4 Replacing the lifter actuator only Chapter 8 9 5 WARNING Danger of crushing The seat is very heavy Injury hazard to hands and feet e You should seek help from a second person Requirements Crosshead screwdriver size 1 1 2 socket spanner 13 mm jaw spanner 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 16 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 2 1 and 8 2 2 The actuator module for the lifter and the tilt actuators is fitted to the front edge of the seat support
4. 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 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 You should seek help from a second person e 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 e Get the help of a second person to lift the seat off the lifter tilt module 83 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 Undo the screws 1 with a crosshead screwdriver e Remove the energy chain 2 e Undo the screws 4 with a crosshead screwdriver e Remove the magnets 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 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 cas
5. A 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 1 Requirements d e 5 8 Allen key Phillips screwdriver size 2 socket spanner 8 mm torque wrench 0 20 Nm or similar Note If 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 2 1 NN e The fuseholder 1 is located on top of the batteries e Open the fuseholder cover 46 Invacare TDX SP TDX SP N SERVICE MANUAL 8 2 6 e You will be able to see the strip fuses 2 once the fuse holder 1 is open e If 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 Note To replace the fuse the battery cable with the fuse attached to it must be replaced e Replace the batte
6. 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 2 2 Replacing batteries Standard TDX SP A gt b gt W 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 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 discharge
7. TDX SP TDX SP N SERVICE MANUAL 8 4 2 Replacing the front headlight complete 1 Requirements AA 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 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 front headlight affected e Remove all cable ties and pull the cable out of the mobility aid 53 SERVICE MANUAL Invacare TDX SP TDX SP N 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 54 Invacare TDX SP TDX SP N SERVICE MANUAL 8 4 3 Replacing the front bulbholder y Requirements e Phillips screwdriver size 2 e socket spanner 13 mm Dismantling the bulbholder e Remove the complete front headlight as described in Chapter 8 4 2 e Undo the two retaining screws 2 with a 13 mm socket spanner and remove the screws
8. ceeeeceeeeeee cece eee ee eeneee eee neee seen neee sees snes see neee see sees nn ee seaeeeenseaeeeenseeeeeenees 24 6 2 REM remotes Error codes and diagnostic codes cccceeeeeeeeeeeeeeeeeeeeeenseeeeeeenseeneeenseeneeenees 28 6 3 Shark II remote Error codes and diagnostic codes ccssecceseeeeeseeesseeeeseeeeeeeeseseaeeneeeeeeees 30 6 4 Diagnosis of Charging device faults ceeeccceeeeeceeeseeeeeeeneeeeeeenseeeeeenseeeeeenseeeeenseeeeeeeeseeeeeenss 31 7 Test procedures 32 7 1 Testing the MOTOS ccccseeeceseseeeceeeseeeeesenneeeeseneeeeeesenneeeesenneeseseneeeseseeneeseseeneesaseeeeeeseseenaeenseaees 32 7 2 Testing the electro mechanical parking Drake s eccseseeeeeeseseeeseseeeeeseseeneneeseeeeneeseennens 33 8 Repair work 35 8 1 Covers Without liter minei nener eane ea aeaa aena eee meannan aa ae dleeteueutecceuesdeetedtesesendseenertende 35 8 1 1 Opening the front panel cccccccceeeceeeeeeee aces cece ee eeeeeeaeceeeeeeesgeaaaaeeeeeeeeeseeencineeeeeeess 35 8 1 2 Opening the rear Cover Panel cccccceeeeeeeeceeceeeeeteceecneaeeeeeeesessneaeeeeeeeseteesansaeeeeess 36 8 1 2 1 Rear cover without an operating hours counter ee eeeeeeeeeeeeeeeeeeeeeeeneeeeeeaaes 36 8 1 2 2 Rear cover with an operating hours COUNTED eee eeeeeeeeeeenteeeeeeneeeeeenaeeeeeeaaes 37 8 1 3 Opening the top Cover panel cccceceeeeeeeeceeceeeeeeesececaeeeeeeesesecceaeeeeeeesessenaaeeeeeees
9. socket spanner 5 8 Allen key torque wrench 5 25 Nm or similar e e e e protractor Note 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 16 5 Dismantling the seat support e With the help of the second person remove the seat e Remove the batteries as described in Chapters 8 2 1 and 8 2 2 8 2 3 e Undo the bolt 3 with a 5 16 socket spanner e Hold the seat support 1 firmly while you remove the bolts 3 and the metal plates 2 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 2 2 8 2 3 and 8 2 1 Refit the seat Adjust the anti tip system as described in Chapter 8 16 5 73 SERVICE MANUAL Invacare TDX SP TDX SP N 8 9 8 9 1 74 Replacing tilt module lifter module Note Depending on which tilt module is installed either chapter 8
10. 4 3 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 e Make a marking on the motor and the carbon brushes in order to guarantee correct refitting 145 SERVICE MANUAL Invacare TDX SP TDX SP N 146 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 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 18 2 Refit the bottom walking beams as described in Chapter 8 17 Refit the drive wheels as described in Chapter 8 13 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 w
11. Consult an eye doctor immediately afterwards Requirements e 11mm socket wrench e Side cutting pliers e Cable ties 43 44 SERVICE MANUAL Invacare TDX SP TDX SP N Uninstalling batteries battery cables e Remove the batteries as described in chapter 8 2 1 Positive terminal e Remove the cable ties 1 with side cutting pliers e Lift the battery terminal cap 2 off and move it up the cable and out of the way e Use an 11mm socket wrench to loosen the battery terminal screw 3 e Remove the battery terminal screw together with both washers and the cable lug 5 from the battery terminal 4 Negative terminal e Repeat the steps of the procedure for the positive terminal on the negative terminal of the battery e Replace the batteries and or the battery cables Installing batteries battery cables e Assemble the parts in reverse order Connect the negative terminal first then the positive terminal e 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 e 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 2 4 Correct handling of damaged batteries A O W WARNING BURN HAZARD Injury hazard due to discharged acid e Always wear acid proof pro
12. Danger of crushing The seat is very heavy Injury hazard to hands and feet e You should seek help from a second person e Undo the four bolts 1 which connect the seat to the tilt module using a 4 mm Allen key and a 13 mm open spanner e Get the help of a second person to lift the seat off the lifter tilt module 80 Invacare TDX SP TDX SP N SERVICE MANUAL e Undo the two Allen screws 3 on both sides of the seat with a 6 mm Allen key e Remove the screws and the washers e Lift the tilt module 1 off the battery case e 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 4 socket spanner remove the tilt mounting Refitting the tilt module e Refit the tilt module in the reverse sequence e Tighten the connecting bolts between the tilt mounting 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 Chapters 8 2 2 8 2 3 and 8 2 1 A WARNING Danger of crushing The seat is very heavy Injury hazard to hands and feet e You should seek help from a second person e Refit the seat e Adjust the anti tip system as described in Chapter 8 16 5 81 SERVICE MANUAL Invacare TDX SP TDX SP N 8 9 3 Replacing the lifter tilt module
13. 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 that the self locking nut is located on the outside If the sealing ring is incorrectly installed rotate it around as described in chapter 8 19 3 Check the serial number of the gearbox housing Up to the serial number 20110400xx the gearbox housing is 44 5 mm wide The compensation sheet see right must be installed Up to the serial number 20110400xx the gearbox housing is 49 5 mm wide The compensation sheet is not necessary Install the motor gearbox unit in reverse order Check the orientation of the motor and adjust it Make sure that the motor cable cannot be pinched or bent and that it is not exposed to chafing The coupling lever must be able to move to the positions Driving as well as Pushing Tighten the self locking nut of the sealing ring to a torque of 4 Nm 135 SERVICE MANUAL Invacare TDX SP TDX SP N e Connect the motor cable plug e Reinstall all components that were removed beforehand in reverse order 136 Invacare TDX SP TDX SP N SERVICE MANUAL 8 19 3 Replacing or rotating the motor gearbox unit sealing r
14. e Lift the mobility aid off the wooden blocks e Check all the mobility aid functions e f necessary carry out adjustments to the setting screw on the anti tip system as described in Chapter 8 16 5 151 SERVICE MANUAL Invacare TDX SP TDX SP N 8 20 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 152 Invacare TDX SP TDX SP N SERVICE MANUAL e Ensure that the rear springs are 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 e Fit the two bolts 3 including the nylon spacer 2 e Tighten the bolts to 8 5 Nm e Replace the two rubber caps 9 if necessary e Reinsert all the necessary plugs and fix the cables with cable ties as previously see also Chapter 8 2 8 e Refit the rear panel as described in Cha
15. 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 106 Invacare TDX SP TDX SP N SERVICE MANUAL 8 13 2 Replacing the tyre or inner tube Note O 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 tyres 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 13 2 1 e Replacing puncture protected tyres see Chapter 8 13 2 2 e Replacing puncture proof tyres see Chapter 8 13 2 3 8 13 2 1 Replacing pneumatic tyres Note i Pneumatic tyres have black valve caps Puncture protected tyres have red valve caps WA Requirements ad 7 8 Allen key two long wooden blocks min 14 x 14 x 30 cm torque wrench 5 25 Nm or similar Repair kit for tyre repair or a new inner tube Tyre pump or compressor Talcum powder 107 SERVICE MANUAL Invacare TDX SP TDX SP N A 108 Removing the tyres e Remove the wheel as described in Chapter 8 13 1 ATTENTION Explosion hazard There is conside
16. 1 Opening the front panel WA Requirements A4 e Phillips screwdriver size 2 e 5 8 Allen key Dismantling the front cover panel e Remove the legrests 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 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 1 Requirements A4 e Phillips screwdriver size 2 Note 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 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 install
17. 8 9 1 Replacing a combined lifter tilt module chapter 8 9 3 Replacing only the tilt actuator chapter 8 9 4 e e e e Replacing only the lifter actuator chapter 8 9 5 WARNING Danger of crushing The seat is very heavy Injury hazard to hands and feet e You should seek help from a second person Requirements 1 2 socket spanner 13 mm jaw spanner 4 mm Allen key 6 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 16 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 2 1 and 8 2 2 8 2 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 79 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
18. Allen key to adjust the angle of the footplate to the needs of the user with this screw Invacare TDX SP TDX SP N SERVICE MANUAL 8 11 Castor housing front WA Requirements Aa 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 101 SERVICE MANUAL Invacare TDX SP TDX SP N 8 12 Wheel forks front rear 8 12 1 Replacing the wheel fork y A Requirements AA 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 If necessary you should also remove the ball bearings 3 and 6 in addition to the tolerance rings 4 and 5 102 Invacare TDX SP TDX SP N SERVICE MANUAL Refitting the wheel fork e If you removed them replace the tolerance rings 4 and 5 and the ball bearings 3 and 6 e Plac
19. DCAM ccceceeeceeeenee ee eeeenee eens nnee see enee see enee sees enee see neeeseeeenneesesesueesesesnaeseeeeneeseeeenes 128 8 18 1 Removing the top walking beam ee ceeeeeeeeteeeeeeneeeeeenaeeeeeeaeeeeeeaeeeeeenaeeeeeeaaes 128 8 18 2 Refitting the top Walking beam 0 0 eeeeceeeeeeeeeeneeeeeenaeeeeeeeeaeeeeeeaeeeeeenaeeeeeeneeeeeeeaas 130 ei aha Ta li orc EE E E E N E E ate atededudeeensstoctest E E E T 132 8 19 1 Replacing the motor transmission unit Standard Motor cecceeeeseeeeeeesteeeeeenaes 132 8 19 2 Replacing the motor transmission unit SSD Motor eee cence ee eeeeeeeeeetteeeeeeaes 134 8 19 3 Replacing or rotating the motor gearbox unit sealing ring SSD motor 8 137 8 19 4 Replacing the motor transmission clutch Standard Motor 139 8 19 5 Replacing the motor transmission clutch SSD Motor ccceeeeeeeeeeeeeeeeeeeteeeeeenaes 141 8 19 6 Replacing the carbon brushes SSD MOtOr cece ee eeeeeeeeeecaeeeeeeaeeeeeeneeeeeeaaes 143 8 19 7 Replacing the carbon brushes Standard Motor 0 ccceeeeeeeeeeeeeeeeeeeeeeeeeeeneeeeeeeaas 145 Rear wheel suspension cceseeeeeeeeseeeeeee seen seen neeeee en seee seen seeeeeensneaeeeenseeeeesaseenensesennenenseenenes 147 8 20 1 Removing the rear wheel SUSPENSION 0 0 00 e eee eeeeeneeeeeeeaeeeeeeeaeeeeeeaeeeeeenaeeeeeeaaes 147 8 20 2 Removing the rear wheel suspension alternative Method ce eeeeeeeeeeeeeeeenees 149 8 20 3 Refitti
20. F Invacare Poirier SAS T 33 0 247 62 64 66 Route de St Roch Fax 33 0 247 42 12 24 F 37230 Fondettes contactfr invacare com France WWW www invacare fr Pencoed uk invacare com Bridgend CF35 5HZ WWW www invacare co uk United Kingdom CID Invacare Mecc San s r l T 39 0445 38 00 59 Via dei Pini 62 Fax 39 0445 38 00 34 36016 Thiene VI italia invacare com Italia WWW www invacare it Invacare TDX SP TDX SP N 5 Invacare Ireland Ltd Unit 5 Seatown Business Campus Seatown Rd Swords County Dublin lreland Fax WWW 353 18 10 70 84 353 18 10 70 85 ireland invacare com www invacare ie SERVICE MANUAL Invacare AS Grensesvingen 9 T Kundeservice Fax Kundeservice 47 0 22 57 95 00 47 0 22 57 95 01 terf rs ljare Invacare AB Fagerstagatan 9 Kundtj nst Fax Kundtj nst 46 0 8 761 70 90 46 0 8 761 81 08 sweden invacare com Postboks 6230 norway invacare com Etterstad island invacare com N 0603 Oslo WWW www invacare no Norge NL Invacare B V T 31 0 318 69 57 57 Celsiusstraat 46 Fax 31 0 318 69 57 58 NL 6716 BZ Ede nederland invacare com Nederland csede invacare com WWW www invacare nl P Invacare Lda T 351 225 10 59 46 Rua Estrada Velha 949 T 351 225 10 59 47 P 4465 784 Le a do Balio Fax 351 225 10 57 39 Portugal portugal invacare com WWW www invacare pt S 163 91 Spanga finland
21. 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 Invacare TDX SP TDX SP N SERVICE MANUAL e 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 nylon spacer 2 Make sure the suspension arms 6 are lowered as much as possible Remove the rubber caps 5 Press the springs together with a joiner s clamp or similar suitable clamp until the nylon stopper 4 can be removed e 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 e Remove the wooden blocks or joiner s clamps carefully so that the springs are released e Remove the springs 155 SERVICE MANUAL Invacare TDX SP TDX SP N 8 21 2 Refitting the rear springs i 156 Note Invacare recommends always replacing both springs simultaneou
22. 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 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 124 Invacare TDX SP TDX SP N SERVICE MANUAL pja Note O 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 125 SERVICE MANUAL Invacare TDX SP TDX SP N 8 16 5 Adjusting the setting screw WA Requirements Aa e 1 4 socket spanner e M8 washer CR A 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 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 O For the following op
23. Safety belt to safety belt Replace belt if See chapter 8 5 damaged Belt lock function Replace belt if See chapter 8 5 damaged Damage to armrests Replace covering if damaged Armrest fixings Tighten screws Side panels Damage to side panels Replace side panels if fom ee Side panel Side panel fixings Tighten screws screws Seat angle Tight seating of SL Replace SL fuses if adjustment fuses necessary Power backrest Damage to backrest Replace parts if if fitted Seams damaged Fixing Tighten screws Check cable Replace cable motor Check function if necessary Frames Check fixings welded Tighten screws chassis seams and battery Replace components battery mounting if necessary mounting Anti tip system Check gas cylinder Repair or replace if See chapter 8 16 damaged Replace gas cylinder every 2 years Check adjustment See chapter 8 16 5 Invacare TDX SP TDX SP N Check Component Check drive wheels for tight fit and side play Adjust replace wheel hubs Wheel suspension and wheels Check steering wheels for tight fit float and side play Replace wheels wheel fork or wheel bearings Tyres Check straight running Replace wheels wheel fork or wheel bearings Repair or replace if See chapter 8 13 2 damaged Check suspension Repair or replace if See chapter 8 21 damaged SERVICE MANUAL See chapters 8 13 1 and 8 13 3 8 13 4 See chapter 8 12 See ch
24. complete with washers e Remove the bulbholder 1 Refitting the bulbholder e Refit the parts in reverse order e Check all vehicle functions 55 SERVICE MANUAL Invacare TDX SP TDX SP N 8 4 4 Replacing the rear bulb 1 Requirements AA 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 e Close the cover and tighten the Philips screw finger tight 56 Invacare TDX SP TDX SP N SERVICE MANUAL 8 4 5 Replacing the rear light complete WA Requirements a 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 57 SERVICE MANUAL Invacare TDX SP TDX SP N e Undo the two cap nuts 1 with an 8 mm socket spanner and remove the cap nuts complete with washers e Replace th
25. cross connector if this is fitted Plug all the plugs into their old positions If you have replaced a DX ACS or ACS 2 Electronic module select the drive programmatically in Chapter 8 6 3 63 SERVICE MANUAL Invacare TDX SP TDX SP N e lf anew software version is available update the drive program as described in Chapter 8 7 e Adapt the drive program using the programming software if necessary e To conclude check all the mobility aid functions 64 Invacare TDX SP TDX SP N SERVICE MANUAL 8 6 3 Replacing the G Trac sensor y Requirements e 10 mm socket wrench Uninstalling the G Trac sensor Switch the electronic of the wheelchair OFF Remove the rear cover as described in chapter 8 1 2 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 Loosen and remove the self locking nut 3 including the washer 4 with the 10 mm socket wrench Remove the G Trac sensor 1 Disconnect the cable of the G Trac sensor from the electronic module Replace the G Trac sensor Installing the G Trac sensor Install the G Trac sensor in reverse order Re connect the cable connector to the electronic module The G Trac sensor must be installed with the cable pointing upwards Test all functions of the vehicle 65 SERVICE MANUAL Invacare TDX SP TDX SP N 8 6 4 Replacing the operati
26. if necessary Tighten cables and connecting plugs replace if necessary Update software if newer version available See chapter 8 7 a Invacare TDX SP TDX SP N SERVICE MANUAL 6 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 O 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 Invacare TDX SP TDX SP N 6 1 Drive fault diagnosis PROBLEM OTHER POSSIBLE SOLUTION Documentation SYMPTOMS CAUSE Mobility aid The remote Drive motors Engage drive See operating manual will not status display disengaged motors start illuminates normally and displays blink code 5 6 Remote status Batteries Replace batteries See chapter 8 2 2 8 2 3 display does not defective moat Completely Pre charge See operating manu
27. invacare com Sverige WWW www invacare se Tillverkare M LNDAL Invacare Deutschland GmbH T 46 0 31 86 36 00 KleiststraRe 49 Fax 46 0 31 86 36 06 D 32457 Porta Westfalica ginvacare invacare com Deutschland LANDSKRONA T 46 0 418 2 85 40 Fax 46 0 418 1 80 89 linvacare invacare com OSKARSHAMN T 46 0 491 1 01 40 Fax 46 0 491 1 01 80 oinvacare invacare com Eastern European Distributor a 49 0 5731 75 45 40 european Organisation EDO Fax 49 0 5731 75 45 41 countries KleiststraBe 49 edo invacare com D 32457 Porta Westfalica WWW Wwww invacare de Deutschland SERVICE MANUAL Invacare TDX SP TDX SP N Contents Chapter Page 1 Introduction 7 1 1 G neralinf rmati h ri ene eaa a e aiarar oraaa a eaaa oh ae aoaea ae Aaa a aapa adea daaa deoise a aiaia 7 1 2 Notes on transport cccceceeeeceeeeneeeeeeeneeeeeeenee sees eeee see nnee sees neeeseeesneeseesnneeseeesneeseeeseeeseseseeesessnenes 7 1 3 Definition and representation of information and safety information in this manual 8 1 4 Hazard Symbols and symbols used ceceecceceeeeeeeeeeeeeeeeeesneeseeeeneeseeenneeseeesneeseeeesnaeseeesneeeeeeenes 9 1 5 Images in this manual cece ceeeee cece eee ee eeeeee seen enee seen neeee see eeee see neee sees sneeseeeseeesesesneeseeeeseensesnes 10 2 Safety and fitting instructions 11 2 1 Before any inspection or repair WOPK cccceseeeeeeeeseeeeeeeseeeeeenseeeeeenseeeeeenseeeeeensne
28. rear bulb 5 yc2 sees cucsee eee nededcestacees cu tisdscebncdaseestagaslebniavdecebucdanecebadecebes 56 8 4 5 Replacing the rear light Complete ce ceeeeeceeeeeeeeeeeeeeeeeeeeeeseeeaaeeeseeeaeeeeeeaeeeeeeanees 57 8 4 6 Replacing the rear bulbholder oe ee ceeeeeeeeeeeeeeeeeeeeeeeeeeeaeeeeseeeaeeeteeeaeeeseeeaeeeeeenaeees 59 Replacing the Safety belt c ecccceseeeeeeeeseeeeeeeneeeeeen sense ensnee seen seaeseeesaeaeeeeaseaeeeenseeeeeenseeeeeenes 60 Electronic mod le asearen aesan nannaa ai nae ene E AREE SRN aee A anie arn ariaa 61 8 6 1 Replacing the remote 00 0 eceeeeee cence eeeeeeeeeeeeeeeeeeeeeeaaeeeeeeaeeeseeeaeeeseeeaeeeseeaaeeeeeenaees 61 8 6 2 Replacing the electronic module 0 0 0 eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeseneaaeeeseeeaeeeeeeaeeeeeeaaeens 61 8 6 3 Replacing the G Trac SONSOM ccceeecececeeeteeeeceeeeeeeeeeeeeeeeeeeaeeeseeeaeeeeseeeaeeeseeaaeeeeeeaaees 65 8 6 4 Replacing the operating hours counter connecting Cable cc eeeeeeeeeeeeteeeeeeneeees 66 8 6 5 Drive program selection after component replacement c ecccceeceeeeeeeenteeeeeeeees 69 8 6 5 1 Profile selection with remote REM A or REM B c cecesecceeeeseeeeeeeenueeeeeenieeeeeeaaes 69 8 6 5 2 Profile selection with remote REM 550 ececceeeeneeeeeeneeeeeeeeeeeeeenaeeeeeeneeeeeeaaes 70 Updating the driving Progratm ccecseccccceeeeeceeeeeeeeeenneeeseenseeeseeenseeeeeenseeeeeenseaeeeenseeeeeeenseeneee
29. sicher dass BEIDE Antriebsrader angehoben werden und den Boden nicht ber hren k nnen Secure the area Lift the mobility aid up on one side and get a second person to place a wooden block around 14 cm high underneath it so that the drive wheel is suspended freely 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 Invacare TDX SP TDX SP N SERVICE MANUAL 8 19 7 Replacing the carbon brushes Standard motor O A f 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 You should seek help from a second person Requirements 5 8 Allen key 7 8 Allen key 5 16 Allen key blade screwdriver Phillips screwdriver size 2 1 2 socket spanner 1 4 socket spanner 5 16 socket spanner torque wrench 5 25 Nm or similar 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 13 1 e Remove the bottom walking beams as described in Chapter 8 17 e Remove the top walking beams as described in Chapter 8 18 a G 1 2 SN S sed Sy i i A ar al om
30. system settings must be checked and readjusted if necessary as described in Chapter 8 16 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 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 the actuator cable so that you can pull it out of the tilt module later on together with the actuator 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 You should seek help from a second person 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 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 ti
31. wheel as described in Chapter 8 13 1 N 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 A 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 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 109 SERVICE MANUAL i 110 Invacare TDX SP TDX SP N Refitting the tyres e Refit the tyres to the rim in the reverse sequence 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 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 Invacare TDX SP TDX SP N SERVICE M
32. 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 Joystick boxes Noes ACS 2 ACS 2 PMA9OL ACS 2 ACT The actuator module actuator module is optional Shark II remote Shark with lighting The lighting PCB is PCB optional ACT actuator The actuator module module is optional Lighting PCB The lighting PCB is optional 16 Invacare TDX SP TDX SP N SERVICE MANUAL 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 ACS 2 PMAQOL electronic module 4 2 3 4 2 3 1 4 2 4 4 2 4 1 18 ACS 2 electronic module Connections 1 Battery 24V 2 Bus cable to remote or ACT Bus cable to remote or ACT Motor M1 Light 3 4 5 6 Motor M2 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 Bo T 5 wa DCI for actuators lighting 12 pole of ists ERT P Right hand motor M1 i sisisis E 2 3 4 Battery 24V 5 Left hand motor M2 p i 4 d ACT actuator module A range of adjusting motors also known as actuators can be fitted to the mobility aid These actuators a
33. 2 1 and 8 2 2 8 2 3 Remove the drive wheel as described in Chapter 8 13 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 117 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 A 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 4 118 Invacare TDX SP TDX SP N SERVICE MANUAL 8 16 2 Repairing the gas cylinder When a gas cylinder has been removed it can be completely replaced or to 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 16 2 1 2 Rep
34. 38 8 2 Batteries cables amp battery charger ccceeeccceeeeeeeeeseeeeeenneeeeeenseeeseeeeseeeeeenseeeeenseeneeenseeeeeenees 39 8 2 1 Making the batteries accessible ee eeeeeeeceeeeeeeeeeeeeeeeeeeaeeeeeeeaeeeseeeaeeeeeeaaeeeeeeaaees 39 8 2 2 Replacing batteries Standard TDX SP ccececeeeeeeeeeeeeeeeeeeseeeeeeeeeeeeeeseneaeeeeeeaeees 41 8 2 3 Replacing batteries replacing battery cables TDX SP N 43 8 2 4 Correct handling of damaged batteries sesseeeeeseeereserresseerrssttrrssttrrssrtnnssrennssrnnn 45 8 2 5 Checking and replacing the main fuse Standard TDX SP ccecceeeeeeeeeeteeeeeeneeees 46 8 2 6 Replacing the main fuse TDX SP N 0 eeeeceeeeeeeeeeeeeeeeeeeeeeeeeeeeaeeeseeeaeeeseeaaeeeeeeaaees 47 8 2 Checking the cale netere nho a acacia e geste ti aed Ae a ena 48 02a CABEN ane a e A A a atin diet 50 8 3 Battery carotone N ceded acetate EATE EE EA E ea AE E EEEREN AE E EAREN 51 Invacare TDX SP TDX SP N SERVICE MANUAL 8 4 8 5 8 7 8 9 8 10 8 11 8 12 8 13 8 14 8 15 8 16 8 17 CighUng UMi eseina Ws ae ise sie a aru een i een Dn St een nn apr ee nema aS uae are 52 8 41 Replacing the tnont Puia ra EREE REEERE A ERT 52 8 4 2 Replacing the front headlight Complete eeceeeceeeeeeeeeeeeeeeeteeeeeeeseeeaeeeseeaeeeeeenanees 53 8 4 3 Replacing the front DUIDNOIDEN 0 0 0 cece eeceeeee ee eeeeeeeeeeeeaeeeeeeeeaeeeeeeeaeeeeeeaaeeeteenaeees 55 8 44 Replacing the
35. 5 to 30 Nm 133 SERVICE MANUAL Invacare TDX SP TDX SP N 8 19 2 Replacing the motor transmission unit SSD motor A 134 WARNING Danger of crushing The wheelchair is very heavy Danger of injury to the hands and feet e Leta second person help you 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 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 13 1 e Remove the wheel hub as described in chapter 8 13 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
36. 9 1 or e 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 9 1 e Max angle is smaller than 30 See chapter e Replacing the tilt module max gt 30 without a lifter 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 8 Replacing a tilt module max lt 30 chapter 8 9 2 Replacing a combined lifter tilt module chapter 8 9 3 Replacing only the tilt actuator chapter 8 9 4 Replacing only the lifter actuator chapter 8 9 5 WARNING Danger of crushing The seat and the tilt module are very heavy Injury hazard to hands and feet e You should seek help from a second person Requirements Phillips screwdriver size 2 1 2 socket spanner 13 32 socket spanner 5 32 Allen key oblique pliers cable ties Note 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 16 5 Removing the tilt module e Remove the legrests e Remove the
37. A 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 Immediately wash the affected area of skin that has come into contact with battery acid with lots of water After contact with eyes e Immediately rinse eyes under running water for several minutes
38. ANUAL 8 13 2 3 Replacing puncture proof tyres W Requirements 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 Talcum powder Removing the tyres Remove the wheel as described in Chapter 8 13 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 Secure the rim rings with joiner s clamps Secure the rim rings against unexpected discharge with three joiner s clamps When doing so ensure that you do not scratch the rims Undo the five 7 8 Allen screws 2 on the inside of the wheel Now loosen the joiner s clamps carefully and alternately until you can remove the rim rings without danger Remove the inner 3 and outer 1 ring of the rim from the tyre 4 Replace any defective or worn parts Refitting the tyres Refit the tyres to the rim in the reverse sequence When fitting the rim rings together ensure that the drillholes and threads for the bolts are placed exactly above each other Place the joiner s clamps in position Tighten the joiner s clamps alternately in small stages until the rim rings are precisely aligned Tighten the Allen screws 2 to 18 Nm 111 SERVICE MANUAL Invacare TDX SP TDX SP N 8 13 3 Replacing the drive wheel hub Standard motor A CAUTION Poss
39. Invacare TDX SP TDX SP N SERVICE MANUAL Edition 24 01 12 SERVICE MANUAL These instructions contain information about Testing work Repair Instructions This manual is part of the instructions for use Service addresses Invacare TDX SP TDX SP N Invacare A S T Kundeservice 45 0 36 90 00 00 A Invacare Austria GmbH T 43 6232 5 53 50 Herzog Odilostrasse 101 Fax 43 6232 5 53 54 A 5310 Mondsee info invacare austria com Austria WWW www invacare at Invacare n v T 32 0 50 83 10 10 Autobaan 22 Fax 32 0 50 83 10 11 CL B 8210 Loppem Brugge belgium invacare com Belgium WWW www invacare be CH Invacare AG T 41 0 61487 70 80 Benkenstrake 260 Fax 41 0 61487 70 81 CH 4108 Witterswil switzerland invacare com Switzerland WWW www invacare ch D Invacare Aquatec GmbH a 49 0 7562 70 00 AlemannenstraRe 10 Fax 49 0 7562 7 00 66 88316 Isny info invacare aquatec com Deutschland WWW www invacare aquatec de Sdr Ringvej 37 Fax Kundeservice 45 0 36 90 00 01 Invacare Ltd Pencoed Technology Park T Customer services Fax Customer services 44 0 1656 77 62 22 44 0 1656 77 62 20 DK 2605 Br ndby denmark invacare com Danmark WWW www invacare dk CED Invacare SA T 34 0 972 49 32 00 c Areny s n Fax 34 0 972 49 32 20 Pol gon Industrial de Celr contactsp invacare com E 17460 Celr Girona WWW www invacare es ESPA A
40. Note The electronic system is supplied with a standard drive program If the driving program has been customised you have to perform this customisation again after installing the new driving program WARNING Every alteration to the drive program can influence vehicle handling and the tipping stability of the wheelchair e Alterations to the drive program must only be carried out by trained Invacare dealers e nvacare can only assume a warranty for the safe vehicle handling of the wheelchair in particular tipping stability for unaltered standard drive programs Requirements 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 You find the latest version of the user manual in the download area on http www dynamiccontrols com 71 SERVICE MANUAL Invacare TDX SP TDX SP N 8 8 A me 72 Seat support Note This chapter deals with replacing the seat support for a seat without lifter or tilt modules Please proceed as described in Chapter 8 9 to replace lifter or tilt modules WARNING Danger of crushing The seat is very heavy Injury hazard to hands and feet e You should seek help from a second person Requirements e Phillips screwdriver size 2 5 16
41. 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 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 14 Refit the front castor housing as described in Chapter 8 11 Invacare TDX SP TDX SP N SERVICE MANUAL e Refit the batteries as described in Chapters 8 2 1 and 8 2 2 8 2 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 13 1 131 SERVICE MANUAL Invacare TDX SP TDX SP N 8 19 Drive unit 8 19 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 Leta second person help you Danger of injury due to uncontrolled moveme
42. RVICE MANUAL 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 Thread M4 M5 M6 M8 M10 M12 M14 M16 Tightening torque 3 Nm 6Nm 10Nm 25Nm 49Nm 80 Nm 120 Nm 180 Nm in Nm 10 A CAUTION Damage can be caused to the mobility 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 14 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 Invacare TDX SP TDX SP N 4 2 Electronic modules 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
43. al discharge batteries battery Power supply to Check master fuse See chapter 8 2 5 8 2 6 Seni Check cables See chapter 8 2 7 between the modules for loose connections and damage Remote Replace remote See chapter 8 6 1 defective Remote status Various causes Assess error code See chapter 6 2 and 6 3 display blinking Mobility aid None Batteries Replace batteries See chapter 8 2 2 8 2 3 judders in defective drive mode unstable voltage Drive motor s Replace motor s See chapter defective 8 19 1 8 19 2 Replace carbon See chapter brushes 8 19 6 8 19 7 Mobility aid None Drive motors Change See chapter 8 7 pulls to left running programming to or right asymmetrically synchronise motors Error None Bad connections Check all See chapter 8 2 7 message connecting cables ie ner ge Motor brake Measure internal See chapters 7 2 and defective resistance of 8 19 1 8 19 2 brakes replace motor if defective Motors stop None Voltage decline Stop journey and and start allow electronic to irregularly cool down 24 Invacare TDX SP TDX SP N SERVICE MANUAL PROBLEM OTHER POSSIBLE SOLUTION Documentation SYMPTOMS CAUSE Motor runs None High motor Stop journey and but loses loading causes allow electronic to power electronic cool down module to decrease voltage Motors stop None High motor Leave mobility aid and do not loading causes switched on and
44. 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 143 SERVICE MANUAL Invacare TDX SP TDX SP N 144 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 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 18 2 Refit the bottom walking beams as described in Chapter 8 17 Refit the drive wheels as described in Chapter 8 13 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 e Do not leave the mobility device unattended during the following procedure e Stellen Sie
45. apter 8 12 Drive units Check motors clutch mechanism Check functions in drive Check carbon and push modes brushes replace if Check clutch necessary mechanism Replace motor if necessary Tighten screws nuts adjust or replace if necessary See chapter 7 See chapter 8 19 v E i Inspect motor brake Check motor brake See chapter 7 2 o Check welded seams interlocking screws footplates Check cable Check contacts Tighten replace if necessary Legrests Replace cable if necessary Power legrests if fitted Lighting if Check cable Replace lamp or See chapter 8 4 fitted Check function cable if necessary Check battery support Replace if necessary Lt Battery mounting and mounting belts for damage 21 SERVICE MANUAL Component Check batteries for damage Batteries Check battery voltage Check contacts and terminals Invacare TDX SP TDX SP N Replace batteries if necessary See chapters 8 2 2 8 2 3 and 8 2 4 Charge batteries Please refer to the safety information in Chapter 8 2 2 8 2 3 and 8 2 4 for handling batteries Clean contacts and terminals Remote Remote status display electronic blinking module Drive lever function Check drive electronic Drive program program version 22 Evaluate error blink code See chapter 6 connecting plugs replace if necessary Replace drive lever if necessary Replace remote
46. around 14 cm high underneath it so that the wheels are suspended freely 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 147 SERVICE MANUAL Invacare TDX SP TDX SP N 148 Undo the two bolts 3 with a 5 32 Allen key and remove the bolts including the nylon washer 2 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 can be removed proceed as described in Chapter 8 20 2 as an alternative Take the complete rear wheel suspension off Now you can replace individual parts such as the suspension arms 1 or the pivot bar 4 Please see Chapter 8 20 3 to replace the wheel suspension at a later time Invacare TDX SP TDX SP N SERVICE MANUAL 8 20 2 Removing the rear wheel suspension alternative method 1 Requirements e more wooden blocks or e joiner s clamps atd A LETE 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 meth
47. astors are correctly adjusted e Replace the cap 2 and tighten the Philips screw 1 finger tight Invacare TDX SP TDX SP N SERVICE MANUAL 8 12 3 Replacing the wheels on double sided wheel forks WA Requirements AA e 7 16 socket spanner e 7 16 jaw spanner e torque wrench 5 25 Nm or similar Removing the wheel Loosen the nut 2 with a 7 16 socket spanner Remove the bolt 6 with a 7 16 socket spanner Remove the two washers 3 and 5 Remove the wheel 4 Replace any defective parts Refitting the wheel Refit the parts in reverse order Tighten the bolt 6 and the nut 2 to 18 Nm 105 SERVICE MANUAL Invacare TDX SP TDX SP N 8 13 Drive wheels 8 13 1 Replacing the drive wheel A WARNING Danger of crushing The mobility device is very heavy Injury hazard to hands and feet e You should seek help from a second person 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 WA 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 get a second person to place a wooden block around 14 cm high underneath it so that the drive wheel is suspended freely e f necessary
48. changes again after installing the new electronic 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 61 SERVICE MANUAL Invacare TDX SP TDX SP N 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 an Se 3 O W DIADA IS 2 eKA A fa 1 S A So 5 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 62 Invacare TDX SP TDX SP N SERVICE MANUAL 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
49. d 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 41 SERVICE MANUAL Invacare TDX SP TDX SP N 42 Removing the batteries e Make the batteries accessible as described in Chapter 8 2 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 diagram is located in the battery case cover Invacare TDX SP TDX SP N SERVICE MANUAL 8 2 3 Replacing batteries replacing battery cables TDX SP N i
50. de through the cut out for the operating hours counter located in the rear 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 67 SERVICE MANUAL Invacare TDX SP TDX SP N 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 68 Invacare TDX SP TDX SP N SERVICE MANUAL 8 6 5 O 8 6 5 1 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
51. e hands 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 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 Removing the motor transmission clutch Remove the motor transmission unit as described in Chapter 8 19 1 Loosen the two Allen screws 1 with a 6 mm Allen key and remove them including the washers 2 WARNING Material damage hazard if the coupling is improperly handled Please proceed carefully so that you do not damage the motor gearbox coupling Pull the motor 3 and transmission unit 4 carefully apart Remove the clutch individual parts 5 Replace the clutch if necessary 139 SERVICE MANUAL Invacare TDX SP TDX SP N 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 19 1 140 Invaca
52. e rear light Dismantling the bulbholder e Refit the parts in reverse order e Check all vehicle functions 58 Invacare TDX SP TDX SP N SERVICE MANUAL 8 4 6 Replacing the rear bulbholder WA Requirements Wy e Phillips screwdriver size 2 e socket spanner 8 mm e socket spanner 13 mm Dismantling the bulbholder e Remove the complete rear light as described in Chapter 8 4 4 e Undo the two retaining screws 2 with a 13 mm socket spanner and remove the screws complete with washers e Replace the bulbholder 1 Refitting the bulbholder e Refit the parts in reverse order e Check all vehicle functions 59 SERVICE MANUAL Invacare TDX SP TDX SP N 8 5 Replacing the safety belt 1 A Requirements ad e socket spanner 13 mm e 5mm Allen key 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 a5 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 Note i A nut is fixed between the two washers 2 and 4 as a spacer so that the belt mounting can rotate freely e Refit the parts in reverse order 60 Invacare TDX SP TDX SP N SERVICE MANUAL 8 6 8 6 1 8 6 2 Electronic module Replacing the remote Note Replacing the remote is ve
53. e 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 12 2 e Place the cover cap 1 on the castor housing 3 e Tighten the Philips screw 2 finger tight 103 SERVICE MANUAL Invacare TDX SP TDX SP N 8 12 2 Adjusting the wheel fork 104 WARNING Danger of crushing The mobility device is very heavy Injury hazard to hands and feet e You should seek help from a second person 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 e f necessary remove the Philips screw 1 and the cover cap 2 e Get help of a second person to tilt the mobility aid to the rear e Rotate the wheel forks 5 upwards e Let go of the wheel forks so that they can swing downwards again e 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 e Place the mobility aid on all four wheels again e Test the mobility aid s manoeuvrability e Repeat the adjustment steps if necessary until the c
54. e to 18 Nm 84 Invacare TDX SP TDX SP N SERVICE MANUAL 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 Chapters 8 2 2 and 8 2 1 WARNING Danger of crushing The seat is very heavy Injury hazard to hands and feet e You should seek help from a second person e Refit the seat e Adjust the anti tip system as described in Chapter 8 16 5 85 SERVICE MANUAL Invacare TDX SP TDX SP N 8 9 4 i A W 86 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 9 2 or 8 9 3 WARNING Danger of crushing The seat is very heavy Injury hazard to hands if the seat is unintentionally folded down e You should seek help from a second person 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
55. e 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 16 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 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 You should seek help from a second person 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 9 2 e Remove the retaining ring 1 with the retaining ring pliers e Push the bolts 4 out of the guides When removing
56. ed 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 with 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 37 38 SERVICE MANUAL 8 1 3 Opening the top cover panel Invacare TDX SP TDX SP N WA Requirements uN e Phillips screwdriver size 2 Dismantling the top cover panel e Remove the seat 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 Undo the four Phillips screws 3 on the top cover panel 2 Invacare TDX SP TDX SP N SERVICE MANUAL 8 2 8 2 1 A gt Batteries cables amp battery charger Making the batteries accessible 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
57. eeeeenseeeeeenss 11 2 2 Personal Safety CQUIPMENL ccceeeeeceeeeeeeeeeeneee seen seen ee enneee seen sneeeeeeeseaeeeenseeeseenseeeseenseeeeeennes 11 2 3 General safety information and information about fitting removal ccssseeseeeeeeee 11 3 Tightening torques 13 4 Layout of components and componentry 14 4 1 OVEMVICW area ea ee enean ae ed dente ved dene amene te oi da lected ante ee cucentenedenceee Ea aaao s oh Ena aeaiaioe eaea EES 14 4 2 Electronic MOdUleS wi sciioees cect std cesceets cece sete cote de ced ccateees seed anA AKENE scedeeessebuteesecenoceessoudeeeecaheeeevaane 16 4 2 1 ACS 2 electronic module cece cececcccce cece eeeeeeneeeceeeeeeeeeeeeeeaececeeeeeseseaeeeseeeeesessenaeees 18 4 2 2 ACS 2 PMAQOL electronic module cece ceccee cece eeteeeeeeceeeeeeeeeeeeesenaeceeeeeeetetseaeees 18 4 2 3 Shark electronic module 2 ccecececcee cece ee eeeeeeeeeececeeeeeeeeeeaeaececeeeeesesueeaeeeseeseeesenenaeees 18 4 2 3 1 Shark with DCI 12 pole cccccceeccecceeeeeeeeeceeeeeceaeeceaeeseeeesaeeeeaaesseneeseneeesiaeessaneess 18 424 ACT actliator Mod ler ni a Stee hada seeded a a a ata 18 4 2 4 1 AGT 2 actuator Mod le eine ao eert enr ni a r a e a eased 18 4 2 4 2 ACT A amp actu tor modulet ne reekin enri ea a a e edger 19 4 25 Lighting POB eniran taen ete elect dan e a a ts a a a e a a 19 5 Service plan 1x annually 20 6 Operational faults 23 6 1 Drive fault diagnosis
58. eelchair 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 99 SERVICE MANUAL Invacare TDX SP TDX SP N 8 10 5 Replacing the foot plate on the centre mounted legrest electric amp manual Wd 100 Requirements e 1 64 Allen key e 1 4 Allen key 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 footplate 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
59. ements i7 e socket spanner 19 mm Removing the drive wheel hub Loosen and remove the nuts 7 with a 19 mm socket spanner Remove the washer 6 Remove the distance ring 5 Take the wheel hub 4 off the axle 2 Remove the shim ring 3 Take the feather key 1 off the axle Refitting the drive wheel hub Refit the drive wheel hub parts in reverse order Use a thin film of lubricant to make pushing the wheel hub onto the axle easier Tighten the nuts 4 to 60 Nm 113 SERVICE MANUAL Invacare TDX SP TDX SP N 8 14 Replacing the rubber bumper Note O Invacare recommends that you replace all the rubber bumpers as soon as one needs replacing 1 Requirements l e 5 16 socket spanner 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 rubber bumper e Remove the drive wheel as described in Chapter 8 13 1 e Undo and remove the 5 16 nut 3 e Remove the washer 2 e Remove the rubber bumper 1 Refitting the rubber bumper e Refit the parts in reverse order 114 Invacare TDX SP TDX SP N SERVICE MANUAL 8 15 Replacing the splash guard We Requirements 5 6 Allen key 7 8 Allen key two long wooden blocks min 14 x 14 x 30 cm torque wrench 0 20 Nm or similar torque wrench 5 25 Nm or similar Removing the splash guard Remove the drive wheel as described in Chapte
60. er 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 avoid 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 0 PP PRP P BS a m 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 re
61. eration 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 126 Invacare TDX SP TDX SP N SERVICE MANUAL 8 17 Bottom walking beam We Requirements 5 8 Allen key 5 16 Allen key Phillips screwdriver size 2 1 2 socket spanner torque wrench 5 25 Nm or similar two long wooden blocks min 14 x 14 x 30 cm Removing the bottom walking beam Remove the drive wheel as described in Chapter 8 13 1 Remove the front castor housing as described in Chapter 8 11 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 127 SERVICE MANUAL Invacare TDX SP TDX SP N 8 18 Top walking beam 8 18 1 Removing the top walking beam 1 6b Requirements Ww e 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 Remove the batteries as described in Chapters 8 2 1 and 8 2 2 8 2 3 Ensure you note
62. es except SD24 27 SERVICE MANUAL 6 2 Note Invacare TDX SP TDX SP N REM remotes Error codes and diagnostic codes connected to electronic modules DX ACS or ACS 2 The following table is applicable to remotes REM 24 REM A REM B and REM 550 which are 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 1 x blink Module defective Replace defective module See chapter 8 6 2 2 x blink Accessory error e g short Check accessory See chapter 8 2 7 circuit in adjusting motor connections check accessory Lifter too high or too low If 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 3 x blink Fault on left hand motor Check connection plug See chapters 8 2 7 M2 Connection check motor and 7 1 loose defective or motor defective 4 x blink Fault on right hand motor Check connection plug See chapters 8 2 7 M1 Connection check
63. est 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 97 SERVICE MANUAL Invacare TDX SP TDX SP N 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 Test all functions of the wheelchair 98 Invacare TDX SP TDX SP N SERVICE MANUAL 8 10 4 Replacing the calf plate on the centre mounted legrest electric amp manual wW Requirements Ve 1 64 Allen key 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 wh
64. fers 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 symbol 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 10 Invacare TDX SP TDX SP N SERVICE MANUAL 2 1 O 2 3 A A Safety and fitting instructions These safety instructions are intended to prevent accidents at work and it is impera
65. ible 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 e Always replace the adjusting washers exactly as they were before you started dismantling 1 A Requirements i7 e socket spanner 20 mm Removing the drive wheel hub e Loosen and remove the nuts 4 with a 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 112 Invacare TDX SP TDX SP N SERVICE MANUAL 8 13 4 Replacing the drive wheel hub SSD motor A 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 e Always replace the adjusting washers exactly as they were before you started dismantling 1 A Requir
66. ing 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 16 3 Refitting the gas cylinder 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 e 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 4 121 SERVICE MANUAL Invacare TDX SP TDX SP N 122 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 bolt 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 13 1 Replace the ba
67. ing 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 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 Uninstall the motor gearbox unit as described in chapter 8 19 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 remove it Installing the sealing ring Install the sealing ring so that the square hole for the carriage bolt is on the inside of the wheelchair Insert the carriage bolt through the sealing ring 137 SERVICE MANUAL Invacare TDX SP TDX SP N 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 138 Invacare TDX SP TDX SP N SERVICE MANUAL 8 19 4 Replacing the motor transmission clutch Standard Motor A A CAUTION Danger of crushing The motor gearbox unit is very heavy Danger of injury to th
68. lacing the guide bush 1 See chapter 8 16 2 2 3 Replacing the gas cylinder See chapter 8 16 2 3 All the sub chapters relate to the following graphic A 8 16 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 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 e Push the ball joint onto the gas cylinder until the end of the gas cylinder piston touches the release head 5 119 SERVICE MANUAL Invacare TDX SP TDX SP N 8 16 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 guide bush onto the gas cylinder piston until the end of the gas cylinder piston touches the release head 5 8 16 2 3 Replacing the gas cylinder 120 Removing Remove the guide bush 1 from the gas cylinder piston 2 Remove the guide block fix
69. lique pliers e cable ties e Remove the rear panel as described in Chapter 8 1 2 y f a MTA L RA A 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 Invacare TDX SP TDX SP N SERVICE MANUAL 8 3 Battery carrier 1 Requirements uy 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 2 1 e Remove the batteries as described in Chapter 8 2 2 8 2 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 51 SERVICE MANUAL Invacare TDX SP TDX SP N 8 4 Lighting unit 8 4 1 Replacing the front bulb 1 Requirements 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 52 Invacare
70. lt actuator e Refit all parts in the reverse sequence e Carry out a performance test 87 SERVICE MANUAL Invacare TDX SP TDX SP N 8 9 5 i 8 9 5 1 88 Replacing the lifter actuator Note This chapter only deals with the replacement of the lifter actuator If you wish to replace the complete lifter module please proceed as described in Chapter 8 9 3 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 If you wish to replace the lifter when it is in the raised position please proceed as described in Chapter 8 9 5 1 e If you wish to replace the lifter when it is in the lowered position please proceed as described in Chapter 8 9 5 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 You should seek help from a second person 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 chang
71. motor and 7 1 loose defective or motor defective 5 x blink Fault brake fault on left Check connection plug See chapters 8 2 7 hand motor M2 check motor and 7 1 Connection loose defective or motor defective 6 x blink Fault brake fault on right Check connection plug See chapters 8 2 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 8 x blink 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 6 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 28 Invacare TDX SP TDX SP N SERVICE MANUAL BLINK CODE POSSIBLE CAUSE SOLUTION DOCUMENTATION 11 x blink Drive motors overloaded Switch remote on and off overheated wait if necessary 12 x blink Compatibility problems Remove incorrect module See chapter 8 6 2 between modules 29 SERVICE MANUAL 6 3 30 Shark II remote Error codes and diagnostic codes Invacare TDX SP TDX SP N 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 ar
72. n 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 ona 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 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 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 Invacare TDX SP TDX SP N Tightening torques SE
73. ng hours counter connecting cable y Requirements e 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 66 Invacare TDX SP TDX SP N SERVICE MANUAL 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 e 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 outsi
74. ng screw on the anti tip system as described in Chapter 8 16 5 e To conclude carry out an extensive driving and function test with the mobility aid 159
75. ng the rear wheel SUSPENSION ee eeeceeeeeneeeeeeeeeeeeeeeaeeeeeeaaeeeeeeaeeeeeeenateeeeeaes 151 8 20 4 Refitting the rear wheel suspension alternative Method ccc eeeeeeeeeteeeeeeees 152 Rear Spins narasi Sat otc Maced EES AEI te ENT EA secudecdenuaceussotedect snusadesvececsvacedtats 154 8 21 1 Removing the rear SprinGS eteri aE EEE AR 154 8 212 Refitting the rear SPrinGS sectei ina A theeree hate des dnaee stay 156 Replacing the battery Case csecccesseeeeeeseeeeeenseeeeeeenneeeeenseceeeenseeneeedseeeeeeasenneeenseeenenenseenenes 158 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 e
76. nss 71 SO al SUPP OME sacl ss ccc E E E E E E sees vagesedoeuctuas 72 Replacing tilt module lifter module cesses ceeeeeeeeeeeeneeeeeeeseeeeeenneeeeeenseeeeeenseeeeeeenseeeeeenss 74 8 9 1 Replacing the tilt module max gt 30 without a lifter cece eeeeeeteeeeeeeeees 74 8 9 1 1 Replacing the tilt Module microswitch cece ceeeeeeeeeeeteeeeeeaeeeeeeaeeeeeenaeeeeeeaaes 76 8 9 1 2 Replacing the tilt module angular Sensor ccc eeeeeeeeeeeeeeeeeeeeeeeeenaeeesetneeeeeeaaes 78 8 9 2 Replacing the tilt module max lt 30 without a lifter eee eeeeeeteeeeeeaeees 79 8 9 3 Replacing the lifter tilt module occ ee eeeeee te eeee eee eeeeeeeeeseeaeeeeteeaeeeseeaaeeeeeeaaeees 82 8 9 4 Replacing the tilt actuator 2 cece eeeeeee ee eeee AA A AE AEEA AREETA 86 8 9 5 Replacing the lifter actuator 0 eee eeeeeee cette eter eteeaeeeeeaaaeeeteeeaeeeseeeaeeeteeaaeeeseeaaeees 88 8 9 5 1 Method 1 Removing the lifter actuator when the lifter is raised ee 88 8 9 5 2 Method 2 Removing the lifter actuator when the lifter is lowered eee 90 Centre mounted legrest electric amp manual c sccccessseeeeesseeeeensneeeeeenseseeeenseseenenseseenens 94 8 10 1 Replacing the manually operated centre mounted legrest ee eeeeeeeeeeenteeeeeeneeees 94 8 10 2 Replacing the electrically operated centre mounted legrest ceeeeeeeeeeeteeeeeeneeees 95 8 10 3 Replacing an electric legrest ac
77. nt 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 A ATTENTION Danger of crushing The motor gearbox unit is extremely heavy Injury hazards to hands e Please note the high weight 1 A Requirements d 5 8 Allen key 7 8 Allen key 5 16 Allen key Phillips screwdriver size 2 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 Removing the motor transmission unit e Remove the drive wheel as described in Chapter 8 13 1 e Remove the wheel hub as described in Chapter 8 13 3 e Remove the bottom walking beam as described in Chapter 8 17 e Remove the top walking beam as described in Chapter 8 18 e Loosen and remove the three nuts 2 with a 5 16 socket spanner e Remove the washers 3 e Take note of the optional wheel lock 6 if fitted 132 Invacare TDX SP TDX SP N SERVICE MANUAL A ATTENTION Danger of crushing 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
78. od 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 149 SERVICE MANUAL Invacare TDX SP TDX SP N 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 20 4 to replace the wheel suspension at a later time 150 Invacare TDX SP TDX SP N SERVICE MANUAL 8 20 3 Refitting the rear wheel suspension e Position the complete rear wheel suspension between the two mounting points 6 e Fit the two sockets 5 and the two bolts 4 e Tighten the bolts to 60 Nm e Ensure that the rear springs are 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 e Fit the two bolts 3 including the nylon spacer 2 e Tighten the bolts to 8 5 Nm e Replace the two rubber caps 9 if necessary e Reinsert all the necessary plugs and fix the cables with cable ties as previously see also Chapter 8 2 8 e Refit the rear panel as described in Chapter 8 1 2
79. 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 19 2 Invacare TDX SP TDX SP N SERVICE MANUAL 8 19 6 Replacing the carbon brushes SSD 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 You should seek help from a second person Requirements 5 mm Allen key 6mm Allen key 10 mm socket spanner 19 mm socket spanner Screwdriver 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 13 1 me 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
80. operated centre mounted legrest A WARNING Danger of crushing The legrest is very heavy Danger of injury to hands and feet e Pay attention to the heavy weight wW Requirements A e 5 mm Allen key 6 mm Allen key Side cutting pliers 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 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 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 Test all functions of the wheelchair 94 Invacare TDX SP TDX SP N SERVICE MANUAL 8 10 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 e Pay attention to the heavy weight wW Requirements A e 6 mm Allen key e Side cutting pliers e Cable ties Uninstalling the elect
81. or eee cceeeeeeeeeeeeeeeeeeeeeeeeeeneeeeeeeaas 112 8 13 4 Replacing the drive wheel hub SSD motor 000 0 ce ceeecee center eeeeneeeeeeaeeeeeennaeeeeeeaas 113 Replacing the rubber DUMPEL c ceeeccceeeeeeeeenseeeeeenseeneeenseeeeeenseneeeeenseeeeeenseneeesaseseeeenseeenees 114 Replacing the Splash guard ccccceseeeeesseeeeenseeeeeenseeeeeensneeeeeenseeeeeenseeneesaseneeeseseeeenseseeenes 115 aT EEA A a p ie ciccsz cee E E N E E A A E A T ce 116 8 16 1 Removing the gas Cylinder o oo eee nriran Nii aE ADEA AAAA AA RAUSE PANRERE TAREA NAA 116 8 16 2 Repairing the gas cylindel marrur irran aisya iaaii naa ARAARA aa NARAN PASAREA aA 119 8 16 2 1 Replacing the guide block fixing or clamping SUPPOFt cece eeeeeeeeetteeeeeeees 119 8 16 2 2 Replacing the Quide DUS Merss aeia wi aT TEER 120 8 16 2 3 Replacing the gas cylinder sosirea eiaa aa aR Aaa Nan wie a EAR 120 8 16 3 Refitting the gas Cylindera sirina naian ae EAA EES LAE AR AEA EARRAN a aR E TAR 121 8 16 4 Replacing the setting SCreW ssssssesesrressrrrsssirnssrrirnesternestinnantinnaatannanenaandannananeannaanaa 123 8 16 5 Adjusting the setting SCreW ssssssesssirsssrrresrirrrssrinnesisinesrinrantanaaatannaedeanaanannaneanna anaa 126 Bottom walking beam sssssnsessunnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn nnmnnn nnmnnn annnm nnmnnn nnmnnn 127 SERVICE MANUAL Invacare TDX SP TDX SP N 8 18 8 19 8 20 8 21 8 22 Top walking
82. or in Shark plugs in the Shark system and 8 6 1 system Replace remote 10 Unknown error Check all cables and connecting See chapter 8 2 7 plugs 11 Incompatible The wrong remote has been See chapters 8 6 1 remote connected Ensure that electronic and 8 6 2 module code and the remote code match Invacare TDX SP TDX SP N 6 4 Diagnosis of charging device faults SYMPTOM No LEDs illuminating on battery charger POSSIBLE CAUSE Charging device not connected to mains supply SERVICE MANUAL SOLUTION Ensure that the battery charger 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 out Send the battery charger to Invacare Service for repair Batteries do not charge Fuse on mobility aid has burnt out Check mobility aid fuses See chapter 8 2 5 8 2 6 Battery charger not connected to mobility aid Ensure that the battery charger 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 Se
83. orkers 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 get a second person to place a wooden block around 14 cm high underneath it so that the drive wheel is suspended freely 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 Invacare TDX SP TDX SP N SERVICE MANUAL 8 20 8 20 1 Rear wheel suspension Removing the rear wheel suspension WARNING Danger of crushing The mobility device is very heavy Injury hazard to hands and feet You should seek help from a second person 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 0 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 get a second person to place a wooden block
84. ort Allen screws 1 on the left hand and right hand side of the mobility device A WARNING Danger of crushing The seat is very heavy Injury hazard to hands and feet e You should seek help from a second person 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 e Push the bolts 4 out of the guide Take care with the bushes 3 91 SERVICE MANUAL Invacare TDX SP TDX SP N e Fold the tilt lever 1 forwards 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 92 Invacare TDX SP TDX SP N SERVICE MANUAL Lift the tilt actuator 5 slightly Pull the lifter actuator bolts 4 under the tilt actuator and out of the guide Q 2 Remove the retaining ring 1 on the rear bolts 3 on the lifter actuator 2 using the retaining ring pliers Push the bolts out of the guides Remove the actuator from the lifter module Refitting the lifter actuator Refit all parts in the reverse sequence Carry out a performance test 93 SERVICE MANUAL Invacare TDX SP TDX SP N 8 10 Centre mounted legrest electric amp manual 8 10 1 Replacing the manually
85. ound 5 seconds each time before switching the remote on again If this does not rectify the fault determine the cause using the following link codes BLINK CODE MEANING SOLUTION DOCUMENTATION 1 Operating error Set drive lever to neutral central position just release drive lever and switch on again 2 Battery error Check battery and mains cable See chapter 8 2 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 2 2 3 Fault on left hand Check motor cable and connecting See chapters 8 2 7 motor M2 plug and 7 1 Check motor 4 Fault on right Check motor cable and connecting See chapters 8 2 7 hand motor M1 plug and 7 1 Check motor 5 Fault at left hand Check cable and plug See chapters 8 2 7 M2 motor brake and 7 2 6 Fault right hand Check cable and plug See chapters 8 2 7 M1 motor brake and 7 2 7 Error in Shark Check bus cable in remote and See chapter 8 6 1 remote connecting plug Replace remote 8 Error in Shark Check all the cables and plugs inthe See chapters 8 2 7 electronic Shark system and 8 6 2 module Replace electronic module 9 Communication Check all cables and connecting See chapters 8 2 7 err
86. pter 8 1 2 e Lift the mobility aid off the wooden blocks e Check all the mobility aid functions e f necessary carry out adjustments to the setting screw on the anti tip system as described in Chapter 8 16 5 153 SERVICE MANUAL Invacare TDX SP TDX SP N 8 21 Rear springs 8 21 1 Removing the rear springs A it 154 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 You should seek help from a second person 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 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 oblique pliers cable ties M8 washer two long wooden blocks min 14 x 14 x 30 cm e Lift the mobility aid up on one side and get a second person to place a wooden block around 14 cm high underneath it so that the wheels are suspended freely 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
87. r 8 13 1 Undo and remove the three 5 6 Allen screws 1 Remove the splash guard 2 from the walking beam 3 Refitting the splash guard Refit the parts in reverse order Tighten the splash guard screws to 4 5 Nm 115 SERVICE MANUAL Invacare TDX SP TDX SP N 8 16 8 16 1 A 116 Anti tip system Removing the gas cylinder WARNING Danger of crushing The mobility device is very heavy Injury hazard to hands and feet e You should seek help from a second person Injury hazard caused by uncontrolled movement of the mobility device e Switch the power supply off ON OFF key e Engage the drive Before raising the vehicle secure the wheels by blocking them with wedges Requirements 5 8 Allen key 5 16 Allen key Phillips screwdriver size 2 1 4 socket spanner 5 16 socket spanner torque wrench 5 25 Nm or similar M8 washer two long wooden blocks min 14 x 14 x 30 cm Loctite 242 if the gas cylinder is repaired Lift the mobility aid up on one side and get a second person to place a wooden block around 14 cm high underneath it so that the wheels are suspended freely Repeat the same procedure on the other side of the mobility aid 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 Remove the batteries as described in Chapters 8
88. r 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 Service for inspection or repair Note a 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 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 A 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
89. rable 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 tyres 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 putting 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 13 2 2 Replacing puncture protected tyres Note O Pneumatic tyres have black valve caps Puncture protected tyres have red valve caps WA Requirements Ad 7 8 Allen key Two long wooden blocks min 14 x 14 x 30 cm Torque spanner 5 25 Nm or similar Repair kit for tyre repair or a new inner tube Tyre pump or compressor Talcum powder Removing the tyres e Remove the
90. re TDX SP TDX SP N SERVICE MANUAL 8 19 5 Replacing the motor transmission clutch 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 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 Uninstall the motor gearbox unit as described in chapter 8 19 2 Use the 10 mm socket wrench to loosen and remove the self securing nut 3 Remove the carriage bolt 6 which secures the sealing ring 5 Carefully bend the sealing ring apart and remove it WARNING Material damage hazard if the coupling is improperly handled Please proceed carefully so that you do not damage the motor gearbox coupling 141 SERVICE MANUAL Invacare TDX SP TDX SP N 142 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
91. re 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 ACT 2 actuator module Connections 1 ACI POR we slope Bus cable to remote or ACT The ACI connection is used for actuator limitation or speed reduction 2 3 Bus cable to remote or ACT 4 Adjusting motor actuator Channel 2 5 Adjusting motor actuator Channel 1 Invacare TDX SP TDX SP N SERVICE MANUAL 4 2 4 2 ACT 4 actuator module Connections n 2 Bus cable to remote or electronic DE e m m re for B e Doe 3 Bus cable to remote or electronic The ACI connection is used for actuator limitation or speed reduction module Actuator Channel 4 Actuator Channel 3 Actuator Channel 2 Actuator Channel 1 4 5 6 7 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 A 20 Service plan 1x annually 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 Testthe maximum speed reduction for correct function after any maintenance work or modifications to the wheelchair Component Check Remedy Notes
92. refully so that the springs are released e Reinsert all the necessary plugs and fix the cables with cable ties as previously see also Chapter 8 2 8 e Refit the rear panel as described in Chapter 8 1 2 e Lift the mobility aid off the wooden blocks e Check all the mobility aid functions e If necessary carry out adjustments to the setting screw on the anti tip system as described in Chapter 8 16 5 e 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 157 SERVICE MANUAL Invacare TDX SP TDX SP N 8 22 Replacing the battery case W 158 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 pliers 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 8 Remove the covers as described in Chapter 8 1 Remove the batteries as described in Chapters 8 2 1 and 8 2 2 8 2 3 Remove the battery support as described in Chapter 8 3 Remove the front headlights including bracket as described in Chapters 8 4 2 and 8 4 3 Remove the rear lights including bracket as de
93. rically 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 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 95 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 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 Test all functions of the wheelchair 96 Invacare TDX SP TDX SP N SERVICE MANUAL 8 10 3 Replacing an electric legrest actuator A WARNING Danger of crushing The legrest is very heavy Danger of injury to hands and feet e Pay attention to the heavy weight wW Requirements Ad e 1 2 socket wrench e 3 8 Allen key e Side cutting pliers e Cable ties Uninstalling the electrically operated legr
94. rvice for repair Battery charger could be defective Use a battery charger which you know is working properly to charge the batteries Send the defective battery charger to Invacare Service for repair Battery voltage is too low to operate mobility aid Replace the batteries See chapter 8 2 2 8 2 3 31 SERVICE MANUAL Invacare TDX SP TDX SP N 7 Test procedures 7 1 Testing the motor 1 Requirements AA 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 y lo K l P K a E J fs t ce a 3 Z ay Z cte Py Wao Le oy 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 O This test should only be carried out on mobility aids with conventional motor transmission units 1 6b Requirements AA e Phillips screwdriver size 2 e digital multimeter with resistance measurement e Remove the rea
95. ry cables as described in chapter 8 2 3 47 SERVICE MANUAL Invacare TDX SP TDX SP N 8 2 7 Checking the cable Wd 48 Requirements 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 2 1 A 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 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 lf 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 49 SERVICE MANUAL Invacare TDX SP TDX SP N 8 2 8 Cable routing AS 50 Requirements e Phillips screwdriver size 2 e ob
96. ry easy and is not described in detail 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 6 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 6 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
97. scribed in Chapters 8 4 4 and 8 4 6 Remove the electronic module as described in Chapter 8 6 2 Remove the bottom walking beams as described in Chapter 8 17 Remove the top walking beams as described in Chapter 8 18 Remove the gas cylinder as described in Chapter 8 16 1 Remove rear wheel suspension as described in Chapter 8 20 Remove the front and rear bulbholders as described in Chapters 8 4 3 and 8 4 6 Remove the rubber bumper as described in Chapter 8 14 Replace the battery case Refitting the battery case Refit the rubber bumper as described in Chapter 8 14 Refit the front and rear bulbholders as described in Chapters 8 4 3 and 8 4 6 Refit rear wheel suspension as described in Chapter 8 20 3 Refit the gas cylinder as described in Chapter 8 16 3 Refit the top walking beams as described in Chapter 8 18 2 Refit the bottom walking beams as described in Chapter 8 17 Refit the electronic module as described in Chapter 8 6 2 Refit the rear lights including bracket as described in Chapters 8 4 6 and 8 4 4 Refit the front headlights including bracket as described in Chapters 8 4 3 and 8 4 2 Refit the battery support as described in Chapter 8 3 Replace the batteries in their correct location as described in Chapters 8 2 2 8 2 3 and 8 2 1 Invacare TDX SP TDX SP N SERVICE MANUAL e Refit the covers as described in Chapter 8 1 e Refit the seat including seat support as described in Chapter 8 8 e Adjust the setti
98. 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 Invacare TDX SP TDX SP N SERVICE MANUAL e Pull the tilt module plug 1 out of the actuator module e Unclip the cable Remove any cable ties which are fitted e Undo the six nuts 1 with a 13 32 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 You should seek help from a second person e With the help of the second person lift the seat up off the tilt module e Loosen the four bolts 2 with a 1 2 socket spanner e With the help of the second person lift the tilt module off the seat support Refitting the tilt module e Refit the parts later in reverse order 75 SERVICE MANUAL Invacare TDX SP TDX SP N 8 9 1 1 Replacing the tilt module microswitch WA Requirements Ad e socket spanner 10 mm e 5 mm Allen key e oblique pliers e cable ties Note Either two microswitches or one microswitch and an angular sensor can be fitted Replacing the angular sensor is described in Chapter 8 9 1 2 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 t
99. sly 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 You should seek help from a second person 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 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 oblique pliers cable ties M8 washer two long wooden blocks min 14 x 14 x 30 cm Invacare TDX SP TDX SP N SERVICE MANUAL e Put the springs 7 into position between the suspension arm 6 and the stop 1 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 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 e Fit the two nylon stoppers 4 e Fit the washer and nuts to secure the nylon stoppers e Tighten the nuts to 8 5 Nm e Remove the wooden blocks or joiner s clamps ca
100. 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 69 SERVICE MANUAL Invacare TDX SP TDX SP N 8 6 5 2 Profile selection with remote REM 550 70 Plug the plug into the remote or the ACS 2 controller The display 2 shows that you need to select a profile Use the bottom rocker switch 3 to select where the required controller profile is saved remote Il electronic module The display will show which profile you have selected Press the Horn 4 and 1 buttons on the speed selection and hold them down for 3 seconds to confirm the selection 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 7 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
101. start again electronic allow electronic module to module to work decrease Charge batteries voltage overnight with mobility aid switched on None Fuse burnt out Check cabling and See chapters 8 2 7 and replace fuse 8 2 5 8 2 6 None Motor defective Check carbon See chapter brushes and 8 19 6 8 19 7 replace if necessary Measure internal See chapters 7 1 and resistance of 8 19 1 8 19 2 motor replace motor if defective None Electronic Replacing the See chapter 8 6 2 module electronic module defective Motors lose None Bad connections Switch mobility aid See chapter 8 2 7 power off wait 10 during seconds switch journey mobility aid on again Check all cabling Motor None Carbon brushes Check carbon See chapter judders or worn brushes and 8 19 6 8 19 7 runs replace if irregularly necessary sae eae Clutch es Replace clutch See chapter defective 8 19 4 8 19 5 Bearing Replacing the See chapter defective motor 8 19 1 8 19 2 Collector Measure internal See chapters 7 1 and defective resistance of 8 19 1 8 19 2 motor replace motor if defective 25 SERVICE MANUAL Invacare TDX SP TDX SP N PROBLEM OTHER POSSIBLE SOLUTION Documentation SYMPTOMS CAUSE Motors do None Bad connections Check all cabling See chapter 8 2 7 noktun Fuse burnt out Check cabling and See chapters 8 2 7 and replace fuse 8 2 5 8 2 6 Batteries Replace batteries See chap
102. supply off ON OFF key e Engage the drive e Before raising the vehicle secure the wheels by blocking them with wedges ATTENTION Fire and burn hazard due to electrical short circuit e The mobility device must be completely switched off before 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 11 SERVICE MANUAL Invacare TDX SP TDX SP N A A 12 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 e Only operate the vehicle with the approved tyre pressures see technical data e Check all electrical components for correct functio
103. tective 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 45 SERVICE MANUAL Invacare TDX SP TDX SP N 8 2 5 Checking and replacing the main fuse Standard TDX SP A CAUTION Fire hazard A short circuit can cause extremely high currents which can result in spark formation and fire e Always use an original strip fuse with the approved amperage e Ifthe main fuse has blown first rectify the cause before fitting a new one
104. ter 8 2 2 8 2 3 defective Cabling to check cabling See chapter 8 2 7 electronic module or joystick defective Electronic Replacing the See chapter 8 6 2 module electronic module defective Corroded Water salt or Check cabling See chapter 8 2 7 contacts urine has replace if penetrated necessary Motor None Clutch es Replace clutch See chapter makes defective 8 19 4 8 19 5 E Bearing Replacing the See chapter a defective motor 8 19 1 8 19 2 Collector Measure internal See chapters 7 1 and defective resistance of 8 19 1 8 19 2 motor replace motor if defective Scraping None Clutch es Replace clutch See chapter noise or defective 8 19 4 8 19 5 motor Bearing Replacing the See chapters plockeg defective motor 8 19 1 8 19 2 and 8 19 4 8 19 5 Transmission Replace See chapters defective transmission 8 19 1 8 19 2 and 8 19 4 8 19 5 Transmissi None Transmission Replace See chapters on makes defective transmission 8 19 1 8 19 2 and clicking 8 19 4 8 19 5 NOISE Drive wheel Tighten drive See chapter loose wheel secure 8 19 1 8 19 2 bolts with Loctite if necessary Transmissi None Sealing ring on Replace See chapters on losing drive shaft transmission if 8 19 1 8 19 2 and oil defective sealing ring 8 19 4 8 19 5 defective Check carbon See chapters brushes for oil 8 19 1 8 19 2 wetting replace 8 19 4 8 19 5 and motor if brushes 8 19 6 8 19 7 wet 26 Invacare TDX SP TDX SP N SERVICE MANUAL
105. the cable routing carefully If necessary take photos with a digital camera e Remove the drive wheel as described in Chapter 8 13 1 e Remove the front castor housing as described in Chapter 8 11 e Remove the rubber bumper as described in Chapter 8 14 e Pull the motor plug 1 out of the electronic module e Note carefully how the motor cable is routed e f necessary remove any existing cable ties which are fixing the motor cable 128 Invacare TDX SP TDX SP N SERVICE MANUAL 11 10 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 129 SERVICE MANUAL Invacare TDX SP TDX SP N 8 18 2 Refitting the top walking beam Wd 130 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
106. 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 89 SERVICE MANUAL Invacare TDX SP TDX SP N 8 9 5 2 Method 2 Removing the lifter actuator when the lifter is lowered A 90 WARNING Danger of crushing The seat is very heavy Injury hazard to hands and feet You should seek help from a second person Requirements retaining ring pliers oblique pliers cable binder long nosed pliers angled 6 mm Allen key 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 16 5 Switch the controller off The actuator module for the lifter and the tilt actuators is fitted to the front edge of the seat support 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 actuator cables so that you can remove the seat Invacare TDX SP TDX SP N SERVICE MANUAL e Undo and remove the seat supp
107. tive that they are observed 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 Personal safety equipment Safety shoes The mobility device and 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 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
108. tteries in their correct location as described in Chapters 8 2 2 8 2 3 and 8 2 1 Remove the wooden block from under the mobility aid Invacare TDX SP TDX SP N SERVICE MANUAL 8 16 4 A Wd Replacing the setting screw WARNING Danger of crushing The mobility device is very heavy Injury hazard to hands and feet e You should seek help from a second person 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 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 get a second person to place a wooden block around 14 cm high underneath it so that the wheels are suspended freely 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 system 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 3 123 SERVICE MANUAL Invacare TDX
109. tuator o oo ee eeeeeeeeeeee ee eeeeeeeeeteeeaeeeseeeaeeeteeeaeeeteeaaaees 97 8 10 4 Replacing the calf plate on the centre mounted legrest electric amp manual 99 8 10 5 Replacing the foot plate on the centre mounted legrest electric amp manual 100 Castor housing TOM siccccccct2ieeecatedeec ienee aaier aeaaea eaaa eoa Aeae a aa aS aa EO Eaa aA Epaia 101 Wheel forks front rear ccccsseececesneeceeeeseeeeeensneeeeeesneeeeenaneeseessneeseesaneeseeesaneeseesanaeseessnaeeeeeanes 102 8 12 1 Replacing the wheel fOrk carini a nre EEE A A A ER 102 8 12 2 Adjusting the wheel fOrk seira en a E R a OA AEEA TA 104 8 12 3 Replacing the wheels on double sided wheel forks sseesssssrssssrrssserrssserrrssrerrssrees 105 Drive wheel S ciimani siri nieeiase oye eira Aa Naera E ENEA ee ste E AEAEE EAEE E a 106 8 13 1 Replacing the drive wheel ssesnsssniesreririrnnirissiirinieruvendrirnniidiaenirdianwdaaaanan naana na 106 8 13 2 Replacing the tyre or inner tube o oo cece eeenneeeeeeeeeeeeeaaeeeeeeaaeeeseeaeeeeeeenaeeeeseaas 107 8 13 2 1 Replacing pneumatic tyres eee ee ene ee eeeene eee eeeaeeeeeeaaeeeeeeeaeeeseeaeeeeeeeneeeeneaas 107 8 13 2 2 Replacing puncture protected tyres cccccceeeeseeecceececeeeeeseceaeaeeeeeeesetenniaeeeeeess 109 8 13 2 3 Replacing puncture proof tyres 0 ececcccecceceeeeeeeeeeeeaeceeeeeeeseceaeeeeeeesetsnsieaeeeeeess 111 8 13 3 Replacing the drive wheel hub Standard Mot
110. wo nuts 4 with a 10 mm socket spanner 76 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 microswitch mounting off e Replace the microswitch Refitting the tilt module microswitch e Refit the parts later in reverse order 77 SERVICE MANUAL Invacare TDX SP TDX SP N 8 9 1 2 Replacing the tilt module angular sensor WA Requirements Ad 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 78 Invacare TDX SP TDX SP N SERVICE MANUAL 8 9 2 i Replacing the tilt module max lt 30 without a lifter 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 8 Replacing a tilt module max gt 30 chapter
111. xperience 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 incorrectly 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 b amp b Bb DD 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 ref

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