Invacare ® Fox SERVICE MANUAL
Contents
1. 66 8 Installing accessories 67 8 1 Replacing the ee Tute BE d E 67 8 2 Od oe EE 68 8 2 1 Replacing the positioning Shoe EE 68 8 22 aer nie the Curb Bei un Le EE 69 8 3 FUMING accessories 70 Invacare Fox SERVICE MANUAL 9 Adjusting the seating position 71 9 1 Adjusting the lower leg length and Seat 0 2 11 lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt 72 9 1 1 Adjusting Haeren 72 CN VAGMWSING he Seat COUN EE 72 9 1 2 1 Adjusting the seat depth via the backrest unit fabric seat padded nsnn000111 73 9 1 2 2 Adjusting the seat depth via the backrest unit fabric seat strechted 74 9 2 TUE ln eh the Seat DIONE EE 75 9 2 1 Adjusting seat height above Centre column 75 9 2 2 Adjusting seat height above Seat support 75 9 3 PGIUSTING AT 76 9 4 Adjusting the center of gravity Of the 5 36 lt lt lt lt lt lt lt lt lt lt lt 76 SERVICE MANUAL Invacare Fox 1 Introduction 1 1 General information Service and maintenance work must be carried out taking this service manual into account lt 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 spare2. 14 cm high under the curb climber Dismantling the curb climber Loosen the Allen screw 4 and use a pipe wrench to pull the gas pressure spring 3 out of its holder Loosen and remove the Allen screw 1 incl switch lever 2 bearing sleeve 10 gas pressure spring 3 washer 7 and nut 6 The gas pressure spring 3 is fixed to the bottom part of the switch lever 2 with a washer 9 and nut 8 69 SERVICE MANUAL d d 70 Invacare Fox 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 Refitting the curb climber Assemble the parts in the reverse order If necessary refit the support shoe to the curb climber as described in chapter 8 2 1 Refit the legrests Note When applying the correct tightening torque to the nut 6 ensure that the curb climber is seated so that it can move Further accessories Note The installation instructions for additional accessories are available at your Invacare specialist supplier or directly from Invacare Invacare Fox SERVICE MANUAL H Adjusting the seating position In order to adapt the mobility device optimally to the requirements of the user we recommend that you ask your authorised Invacare the dealer toadjust the seat depth individually Adapting the seat to the user s seating position depends on which seat has been fitte
3. Fil N Fagerstagatan 9 S 163 91 Spanga terf rs ljare CS Sverige Tillverkare Invacare Deutschland GmbH KleiststraBe 49 D 32457 Porta Westfalica Deutschland Eastern European Distributor european Organisation EDO countries KleiststraBe 49 D 32457 Porta Westfalica Deutschland Kundtj nst Fax Kundtj nst WWW MOLNDAL Fax LANDSKRONA Fax OSKARSHAMN Fax Fax WWW 46 0 8 761 70 90 46 0 8 761 81 08 sweden invacare com finland invacare com www invacare se 46 0 31 86 36 00 46 0 31 86 36 06 ginvacare invacare com 46 0 418 2 85 40 46 0 418 1 80 89 linvacare invacare com 46 0 491 10140 46 0 491 1 01 80 oinvacare invacare com 49 0 5731 75 45 40 49 0 5731 75 45 41 edo invacare com www invacare de Invacare Fox Invacare Fox SERVICE MANUAL Contents Chapter Page 1 Introduction 8 1 1 GONG ral IMTON IM 7 1 191 1 EE 8 1 2 NOLES NEE 91 61 19 EE 8 1 3 Definition and representation of information and safety information in this manual H 1 4 Hazard Symbols and symbols 05 0 lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt lt 10 1 5 IMAGES Mihis MANU AN E 11 2 Safety and fitting instructions 12 2 1 Before any inspection or repair WOFK cccccceessecseeseeeeeenseeeeenseeeeenseeeoeesseesoenseesoenseeeoesneesso
4. MANUAL 6 2 Shark Error codes and diagnostic codes The drive electronics 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 following link codes Blink Meaning Solution Documentation Code Set drive lever to neutral central position just release drive lever and switch on again Battery error Check battery and mains cable See chapter 7 6 Operating error Charge batteries See user manual If you switch the mobility device 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 7 4 1 Fault on left hand Check motor cable and connecting See chapters 7 6 and motor M2 plug 7 11 1 Check motor Fault on right hand Check motor cable and connecting See chapters 7 6 and motor M1 plug 7 11 1 Check motor Fault at left hand Check cable and plug See chapter 7 6 M2 motor brake Fault right hand Check cable and plug See chapter 7 6 M1 motor brake Error in Shark Check bus cable in remote and See chapter 7 6 and remote connecting plug 1 2 2 Replace remote Error in Shark Che
5. Replacing the standard backrest Requirements Phillips screwdriver size 2 Dismantling the backrest unit Remove the backrest tube 1 from the backrest holder 2 by loosening the handwheels Loosen and remove the screws 5 including the washers with a Phillips screwdriver Remove the handwheels 4 Remove the backrest tube 1 from the fabric back 2 Replace the backrest holders as decribed in chapter 7 13 2 Refitting the backrest unit Replace the parts in the reverse order To conclude you should always carry out a trial run to test the vehicle functions 61 SERVICE MANUAL Invacare Fox 7 13 2 Replacing a standard backrest with quick release IA Requirements 0 Phillips screwdriver size 2 5 mm Allen key 13 mm open ended spanner Note i 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 Dismantling the backrest unit Remove the backrest unit as described in chapter 7 13 1 Loosen and remove the Allen screw 9 including washers 8 bushings 5 and nut 3 on the left hand and right hand side of the chair Use an Allen key and an open ended spanner Pull the quick release cord 1 to unlock the backrest tube 62 Invacare Fox SERVICE MANUAL Loosen and remove the Allen screws 9 including washers 8 stopper 12 and nut 13 on the left hand and right hand side of the chair Use an A
6. ef l Loosen and remove the nut 2 with a 10 mm open ended spanner Remove the rubber bumper 1 on both sides Replace the rubber bumper Refitting the rubber bumper Refit the parts in reverse order Note 40 The rubber bumper is screwed into the thread as far as to stop and then counted using the nut 42 Invacare Fox SERVICE MANUAL V0 0 A Wd d Replacing the caster locks ATTENTION Danger of crushing to the hands and feet by the weight of the wheelchair Pay attention to the hand and feet Use proper lifting techniques Danger of injury due to uncontrolled movement of the wheelchair Switch the vehicle s power system off ON OFF key Engage the drive motors Secure the vehicle against rolling away by placing wedges under the wheels CAUTION Incorrect reassembly can damage the bearings and cause the steering wheels to fall out The single row angular ball bearing rings are not identical on both sides There is only one correct way to insert them Follow the assembly instructions precisely Requirements Phillips screwdriver size 2 Phillips screwdriver 19 mm caster locks Torque wrench large screwdriver flat wooden block approx 12 x 12x 30 cm for propping up vehicle Removing the caster lock Remove the swinging axle as described in chapter 7 7 2 Remove the front wheels as described in chapter 7 1 1 Loosen and remove the screws 1 witha 19 mm Phillips screwdriver and
7. hazards to your hands Bear in mind that the batteries are sometimes very heavy Please handle the batteries with care WARNING BURN HAZARD Injury hazard due to discharged acid Always wear acid proof protective gloves when handling batteries Always wear protective goggles when handling batteries What to do if acid is discharged Always take clothing which has been soiled by or dipped in acid off immediately 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 Rinse the affected eye under running water for several minutes You should also consult an eye specialist immediately afterwards Requirements 5mm Allen key 10 mm open ended spanner depending on the battery type additionally 10 mm open ended spanner 32 Ah and 50 Ah battery 11mm open ended spanner 40 Ah batter 29 SERVICE MANUAL Invacare Fox Uninstalling the batteries Switch the electronics OFF on the remote Bring the seat into the service position as described in chapter 7 12 1 Remove the battery boxes as described in chapter 7 4 2 Remove the the handle and cover 1 of the battery box as described in chapter 7 12 1 Loosen and remove the Allen screw 4 including washer 2 and nut 1 with a 5 mm Allen key on both sides of the battery 2 Disconnect the cable harness from the battery by removing the pole screws and nuts A with a 10 mm open end
8. in reverse order 41 Note When refitting ensure that the round disks 6 12 are in the correct position Check all functions of the vehicle and go for a test drive 54 Invacare Fox SERVICE MANUAL 7 12 3 Replacing the fabric seat padded ATTENTION Danger of crushing The seat seat support is very heavy Danger of injury to hands and feet Use proper lifting techniques Requirements Phillips screwdriver size 2 8 mm open ended spanner Remove the seat cushion Remove the armrests as described in chapter 7 14 1 Dismantling the fabric seat Loosen and remove the six screws 1 including rosette with a Phillips screwdriver Loosen and remove the screw 4 including the rosette the circular washer 3 washer and the nut 2 The screw 4 is also used to adjust the seat depth 5 see chapter 9 1 2 1 Replace the fabric seat Refitting the fabric seat Refit the parts in reverse order Note When refitting ensure that the round disk 3 is in the correct position The bolts 4 are fixed by the fabric seat at the end To conclude you should always carry out a trial run to test the vehicle functions 95 SERVICE MANUAL Invacare Fox 7 12 4 Replacing the fabric seat strechted A ATTENTION Danger of crushing The seat seat support is very heavy Danger of injury to hands and feet Use proper lifting techniques 1 Requirements dei Phillips screwdriver size 2 8 mm open ended
9. in the securing seat 4 when reassembling Refit the bolts 3 with a medium strength screw securing system such as OmniFit 100 M Refit the swinging axle as described in chapter 7 7 2 Installing the front wheels as described in chapter 7 7 1 Check all functions of the vehicle and go for a test drive Installing the ball bearings CAUTION Incorrect reassembly can damage the bearings and cause the steering wheels to fall out The single row angular ball bearing rings are not identical on both sides There is only one correct way to insert them The bearings must always be assembled so that the narrow borders of the ball bearings are facing each other inside The steering head bolts and nuts must always be pressing against the wide outside border of the ball bearings Otherwise the bearings will be pressed apart and damaged by the bolts The illustrations show the wide border of the ball bearing on the outside of the ball race A and the narrow ball bearing edge on the inside B After assembly the steering wheels should rotate freely but the bearings should have no play 41 SERVICE MANUAL Invacare Fox 7 7 6 Replacing the rubber bumper Note gt Invacare recommends that you replace all the rubber bumpers as soon as one needs replacing Requirements dei 10 mm open ended spanner Removing the rubber bumper WE N Remove the swinging axle as described in chapter
10. locking Only operate the vehicle with the approved tyre pressures see technical data Check all electrical components for correct function Please note that incorrect polarity can result in damage to the electronics Always carry out a trial run at the end of your work CAUTION Danger of injury and damage to property if the maximum speed reduction on a wheelchair with a lifter does not function correctly The wheelchair s control unit must reduce the maximum possible speed as soon as the lifter is raised 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 CAUTION Any changes to the drive program can affect the driving characteristics and the tipping stability of the vehicle Changes to the drive program may only be carried out by trained Invacare specialist dealers Invacare supplies all mobility aids with a standard drive program ex works Invacare can only give a warranty for safe vehicle driving behaviour especial
11. motor cable 2 to the power module Make sure that the motor cable cannot be pinched or bent and that it is not exposed to chafing in any place Tighten the screws 4 to 7 Nm 1 Nm To conclude you should always carry out a trial run to test the vehicle functions Invacare Fox SERVICE MANUAL 7 12 Seat system 7 12 1 Moving the seat into the service position It is necessary to move the seat into the service position or to remove it for maintenance purposes or if the batteries have to be removed Secure the vehicle against rolling away by pressing the parking brake down Remove the legrests Removing the seat service position Pull the safety latch A on the centre column to unlock the seat Fold the seat backwards until the rear safety latch B engages on the rear post The seat is now in the service position Now pull the safety latch A on the rear post back and tilt the seat into the vertical position Remove the seat 51 SERVICE MANUAL Installing the seat Place the seat vertically onto its holder again Fold the seat forward Make sure the safety latches A on the center post engage 52 Invacare Fox Invacare Fox SERVICE MANUAL 7 12 2 Replacing the seat frame A ATTENTION Danger of crushing The seat seat support is very heavy Danger of injury to hands and feet Use proper lifting techniques 1 Requirements geg Phillips screwdriver size 2 5 mm 6 mm Alle
12. seat forwards Ensure that the safety latches engage on the centre column Check all functions of the vehicle and go for a test drive 19
13. spanner Dismantling the fabric seat Loosen and remove the eight screws 1 including rosette with a Phillips screwdriver Replace the fabric seat 56 Invacare Fox SERVICE MANUAL Refitting the fabric seat Position the backrest mounting bracket 2 according to the seat depth so that the holes 3 and 4 are aligned Slightly tighten the set screws that are located underneath the backrest mounting bracket Insert the four Phillips screws 1 and 3 on the right side of the wheelchair frame first However do not tighten the screws completely Tighten the textile seat using a large screwdriver or a similar tool by pressing the screwdriver in the flap against the chassis 6 First insert the two middle Phillips screws 5 and then the outer screws 7 and 4 including washers and tighten these with the corresponding torque 6 Nm After this tighten the screws 1 and 3 to the corresponding torque 6 Nm Tighten the set screw 57 SERVICE MANUAL Invacare Fox Note 40 The screws 3 and 4 are also used to adjust the seat depth with the backrest unit 2 see chapter 9 1 2 2 Push the flap under the seat frame Refit the armrests as described in chapter 7 14 1 To conclude you should always carry out a trial run to test the vehicle functions 58 Invacare Fox SERVICE MANUAL 7 12 5 Replacing the seat plate A ATTENTION Danger of crushing The seat seat support is very heavy
14. spanner Remove the seat as described in chapter 7 12 1 Loosen and remove the screw and nut 3 Adjust the center column see illustrations Long wheelbase Adjustment of centre column 1 on chassis gt The scale 2 is at the front Short wheelbase Rotating the centre column Adjustment of centre column 1 on chassis gt The scale 2 is at the back rs Note On Changing the wheelbase influences the seat depth and the centre of gravity chapter 9 4 You may need to adjust the seat depth to meet your requirements Please refer to chapter 9 1 2 Refit the parts in reverse order Check all functions of the vehicle and go for a test drive 38 Invacare Fox SERVICE MANUAL 7 7 4 A Replacing the steering head bearings on the steering wheels ATTENTION Danger of crushing to the hands and feet by the weight of the wheelchair Pay attention to the hand and feet Use proper lifting techniques Danger of injury due to uncontrolled movement of the wheelchair Switch the vehicle s power system off ON OFF key Engage the drive motors Secure the vehicle against rolling away by placing wedges under the wheels CAUTION Incorrect reassembly can damage the bearings and cause the steering wheels to fall out The single row angular ball bearing rings are not identical on both sides There is only one correct way to insert them Follow the assembly instructions precisely Requirements Phillips screwd
15. to the cover Ensure that the safety interlock engages Insert the battery pack 24 Invacare Fox Invacare Fox SERVICE MANUAL 7 2 7 2 1 d Wd Electronic modules Replacing the power module Note When replacing the power module in connection with a remote please take the final selection of the drive program into account as described in chapter 7 2 3 Different power modules in connection with different remotes can be fitted to the mobility aid The possible power modules are described in chapter 4 2 CAUTION Any changes to the drive program can affect the driving characteristics and the tipping stability of the mobility aid Changes to the drive program may only be carried out by trained Invacare specialist dealers Invacare can only give a warranty for safe mobility aid driving behaviour especially tipping Stability for unaltered standard drive programs Note All power modules are delivered with a standard drive program If you have made any customer specific modifications to the drive program these must be adapted after the installation of the new power module Requirements 8 mm socket spanner To adapt the drive program programming software or hand programming device and system installation manual available from Invacare Removing the power module Switch the electronics OFF on the remote Remove the rear cover as described in chapter 7 1 1 Take exact note of the posi
16. Danger of injury to hands and feet Use proper lifting techniques 1 Requirements Phillips screwdriver size 2 8 mm open ended spanner Remove the seat cushion Remove the armrests as described in chapter 7 14 1 Dismantling the seat plate Loosen and remove the six Phillips screws 1 with a Phillips screwdriver Lift the seat plate from the seat frame Replace the seat plate or fit the fabric seat if required as described in chapter 7 12 4 Refitting the seat plate Refit the parts in reverse order 59 SERVICE MANUAL Invacare Fox 7 12 6 Replacing the safety latch VU Requirements H 24 mm open ended spanner Remove the seat as described in chapter 7 12 1 ote 1 ra K i pee Ma AR Dismantling the safety latch ery 766 rer Lic Loosen the adjusting ring using a 24 mm open ended spanner Unscrew the safety latch 1 and replace it Refitting the safety latch Refit the parts in reverse order screw the safety latch 1 in and adjust it 7 12 7 Adjusting the safety latch i Requirements deg 24 mm open ended spanner Loosen the adjusting ring using a 24 mm open ended spanner Screw the safety latch 1 in so that the spring loaded catch engages securely and is flush with the outside edge when it is pulled Tighten the adjusting ring hand tight with a 24 mm open ended spanner 15 Nm 1 Nm 60 Invacare Fox SERVICE MANUAL 7 13 Backrest unit 7 13 1
17. Invacare Fox SERVICE MANUAL CE st geg S op Tm 1 eil e 67 _ D gt o 69 Mm LO we 2 O LI SERVICE MANUAL These instructions contain information about Testing work Repair Instructions This manual is part of the instructions for use Service addresses on A Invacare Austria GmbH Herzog Odilostrasse 101 A 5310 Mondsee Austria CB Invacare n v Autobaan 22 CL B 8210 Loppem Brugge Belgium 6 H Invacare AG S BenkenstraBe 260 CH 4108 Witterswil Switzerland Fa D Invacare Aquatec GmbH D Alemannenstra e 10 88316 Isny Deutschland Invacare A S Dk 8 Sdr Ringvej 37 DK 2605 Br ndby Danmark E Invacare SA c Areny s n Poligon Industrial de Celra E 17460 Celra Girona ESPANA CF D Invacare Poirier SAS Route de St Roch F 37230 Fondettes France Fax WWW Fax WWW Fax WWW Fax WWW Kundeservice Fax Kundeservice WWW Fax WWW Fax WWW 43 6232 5 53 50 43 6232 5 53 54 info invacare austria com www invacare at 32 0 50 83 10 10 32 0 50 83 10 11 belgium invacare com www invacare be 41 0 61487 70 80 41 0 61487 70 81 switzerland invacare com www invacare ch 49 0 7562 70 00 49 0 7562 7 00 66 info invacare aquatec com www invacare aquatec de 45 0 36 90 00 00 45 0 36 90 00 01 denmark invaca
18. Please refer to the terminals and terminals safety information in chapter 7 4 for handling batteries 17 SERVICE MANUAL Invacare Fox zen omc my ts Remote status Evaluate display blinking error blink code Remote electronic module Drive program Fixings Cables and connecting plugs Drive lever function Power supply Check drive electronics program version Tighten fixings replace if necessary Tighten cables and connecting plugs replace if necessary Replace drive lever if necessary Replace remote if necessary Tighten cables and connecting plugs replace if necessary Update software if See chapter 7 3 newer version available Invacare Fox SERVICE MANUAL 6 Operational faults Different power modules can be installed in the mobility aid in connection with different remotes The rectification of operational faults depends on the installed power module in each case The power modules used are described in 4 2 Note GD 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 First assess the possible cause of the problem using the following table Check the remote status display Evaluate the error code Carry out the necessary checks and repairs as reco
19. ck all the cables and plugs in the See chapters 7 6 and power module Shark system 7 2 1 Replace electronics module Communication Check all cables and connecting plugs See chapters 7 6 and error in Shark in the Shark system 7 2 2 SS Replace remote Check all cables and connecting plugs See chapter 7 6 Incompatible The wrong remote has been connected See chapter 7 2 2 and remote Ensure that electronic module code and chapter 7 2 1 the remote code match 21 SERVICE MANUAL Invacare Fox D Repair work 7 1 Covers 7 1 1 Rear cover A Requirements ec 3 mm Allen key oblique pliers cable binder Removing the rear cover Loosen the cable tie from the bus cable in the indentation 1 right or left Loosen and remove the two Allen screws 2 including washer on the left and right of the rear cover 3 Pull the rear cover carefully forwards away from the chassis Assembling the rear cover Push the rear cover over the chassis Ensure that the bus cable is located in the indentation 1 Fasten the Allen screws 2 including washer Tighten the Allen screws to 3 Nm 1 N Fix the bus cable using a cable tie 22 Invacare Fox SERVICE MANUAL 7 1 2 Battery cover Requirements geg 5 mm Allen ke Removing the battery cover Remove the battery cover 1 of the battery box 23 SERVICE MANUAL Assembling the battery cover Refit the battery cover Refit the handle
20. d and should be carried out in the following sequence Adjusting the lower leg length and seat depth see chapter 9 1 Adjusting the seat height and seat tilt see chapter 9 2 and chapter 9 3 Adjusting the center of gravity of the seat frame see chapter 9 4 Checking that the swivel castors can move freely Repetition of steps 3 to 4 if necessary ee et LE WARNING Danger of injury hazard after tilting of mobility caused by blocked steering wheels Always check the seat depth settings for both forward and reverse movement Make sure that steering wheels can rotate freely and have not contact to any fixed mobility device component CAUTION Any changes to the drive program can affect the driving characteristics and the tipping stability of the vehicle Changes to the drive program may only be carried out by trained Invacare specialist dealers Invacare supplies all mobility aids with a standard drive program ex works Invacare can only give a warranty for safe vehicle driving behaviour especially tipping stability for this standard drive program A WARNING Danger of crushing The seat is very heavy Danger of injury to hands and feet Pay attention to the hand and feet Use proper lifting techniques 71 SERVICE MANUAL Invacare Fox 9 1 Adjusting the lower leg length and seat depth 9 1 1 Adjusting the lower leg length Invacare offers a range of legrests which can be adjusted individually See ope
21. d 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 Always follow the instructions to avoid injury to the user or damage to the product Wear safety shoes The symbol refers to the requirement for wearing safety shoes 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 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 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 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 Invacare Fox SERVICE MANUAL 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 instruct
22. dges under the wheels ATTENTION Danger of crushing The motor gearbox unit is extremely heavy Injury hazards to hands Please note the high weight Requirements 5 mm Allen key oblong wooden blocks approx 14 x 14 x 30 cm Note When replacing the motor transmission unit ensure that this matches the right power module type Please refer to chapter 4 for an overview of power module types Switch the electronics OFF on the remote Remove the rear cover as described in chapter 7 1 1 Lift the wheelchair on one side and place a 14 cm high wooden block underneath it so that the drive wheel is off the ground and can rotate freely Use proper lifting techniques Pull the motor plug 2 out of the power module Remove the drive wheel as described in chapter 7 8 49 SERVICE MANUAL Invacare Fox 0 50 Removing the motor transmission unit Loosen the four Allen screws 4 with a 5 mm Allen key Remove the screws 4 together with the washers Pull the motor transmission unit 3 downwards out of the chassis Take into account the heavy weight of the unit Replace the drive unit Refitting the motor transmission unit Note Before refitting a new motor transmission unit check to see whether this should be fitted to the left hand or right hand side of the mobility device The drive units are different Note the labelling on the motor plug Refit the motor transmission unit in the reverse order Reconnect the
23. e the footrest 4 and if necessary the heel strap 3 Refitting the foot plate heel strap Refit the parts in reverse order Ensure that the round disk 8 is in the correct position 66 Invacare Fox SERVICE MANUAL 8 Installing accessories 8 1 Replacing the holding strap Requirements Mag 13 mm open ended spanner 5 mm Allen key Note i A spacer washer 4 is fixed between the two washers so that the belt mounting can rotate freely Remove the plastic cap 2 Loosen the screw 6 and the associated nut 3 with a 5 mm Allen key and a 13 mm open ended spanner Remove the nut 3 Remove the screw 6 including safety belt and flat washers 2 and 4 Replace the safety belt 1 Refit the parts in the reverse order 67 SERVICE MANUAL Invacare Fox 8 2 Curb climber 8 2 1 Replacing the positioning shoe Remove the legrests Pull the positioning shoe 2 off the curb climber 1 in a forward direction Slide a new positioning shoe onto the curb climber Refit the legrests 68 Invacare Fox SERVICE MANUAL 8 2 2 Replacing the curb climber A ATTENTION Danger of crushing Injury hazards to hands The gas pressure spring is under pressure Take care with your hands Use suitable tools 1 Requirements d 5 mm Allen key 13 mm open ended spanner ioe wrench Remove the legresis Dismantle the swinging axle as described in chapter 7 7 2 Place a wooden block approx
24. ery cable Shark DK PMBO1 Shark DX2 VR2 R Net remote Battery cable VR2 R Net EL PM90 LINX Shark II remote Battery cable UniShark Shark DX Invacare Fox SERVICE MANUAL 5 Service plan 1x annually ze Je Jee Ir Damage to armrests Replace covering if damaged Armrest fixings Tighten screws Side panels Damage to side Replace side panels panels if damaged Side panel fixings Tighten screws ee ae Seat lock Seat lock defective Replace seat lock a a Seat angle Tight seating of SL Replace SL fuses adjustment fuses if necessary Frames Check fixings Tighten screws chassis welded seams and battery battery mounting E mounting necessary Wheel Check drive wheels See chapter 7 8 wheels play Check steering Replace wheels See chapter 7 7 wheels for tight fit wheel fork or float and side play wheel bearings Swinging axle Check caster locks Replace caster see chapter 7 7 4 locks Check swinging axle Replace swinging See chapter 7 7 2 for damage axle Drive units Check functions in Replace motor if coupling drive and push necessary mechanism modes Tighten Check coupling screws nuts mechanism adjust or replace if necessary Legrests Check welded Tighten replace if seams interlocking necessary screws footplates Batteries Check batteries for Replace batteries See chapter 7 4 damage if necessary Check battery Charge batteries See operating voltage manual Check contacts and Clean contacts
25. ging axle can be rotated to change the wheelbase Fitting the swinging axle facing Figure A long wheelbase Figure B short wheelbase If you change the wheelbase the centre column on the chassis see chapter 7 7 3 must be adapted accordingly A ATTENTION Danger of crushing to the hands and feet by the weight of the wheelchair Pay attention to the hand and feet Use proper lifting techniques Danger of injury due to uncontrolled movement of the wheelchair Switch the vehicle s power system off ON OFF key Engage the drive motors Secure the vehicle against rolling away by placing wedges under the wheels 1 Requirements H 10 mm Allen key wooden block approx 14 x 14x 30 cm for propping up vehicle medium strength threadlocker such as OmniFit 100M Remove the legrests Place a wooden block approximately 14 cm high under the curb climber so that the swinging axle can hang free Use proper lifting techniques 36 Invacare Fox SERVICE MANUAL Dismantling the swinging axle Heat the screw 3 using a hot air gun to soften the thread locking adhesive Remove the screw 3 with a 10 mm Allen key Pull the swinging axle 1 off the chassis and remove the guide bushes 2 and 4 Refitting the swinging axle Refit the parts in reverse order Tighten the screw 3 to 70 Nm 10 Nm 3 SERVICE MANUAL Invacare Fox 7 7 3 Changing the wheelbase 1 Requirements geg 5 mm Allen key 10 mm socket
26. ic Wizard software User manual for the Wizard software 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 htto www dynamiccontrols com Note When an electrical adjustment option is retrofitted such as electrical legrests then this option needs to be activated in the driving program as well if you have an ACS 2 remote For more information refer to the user manual of the Wizard software and the installation instructions for the electronic modules Invacare Fox SERVICE MANUAL 7 4 7 4 1 A Batteries Replacing batteries ATTENTION Injury hazard and possible material damages if batteries are handled improperly The installation of new batteries may only be carried out by authorised specialists Observe the warning information on the batteries Only use battery versions stated in the specifications ATTENTION Fire and burns hazard if battery terminal is bypassed Please take great care to ensure that the battery terminals are never short circuited with tools or mechanical mobility device parts 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
27. ions always relate to the image directly above 11 SERVICE MANUAL Invacare Fox 2 1 Safety and fitting instructions These safety instructions are intended to prevent accidents at work and it is imperative that they are observed Before any inspection or repair work Read and observe this repair manual and the associated operating manual 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 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 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 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 Please note the high weight of some componen
28. llen key and an open ended spanner Remove the backrest holders 6 including quick release cord 1 Refitting the backrest unit Replace the parts in the reverse order Refit the backrest unit as described in chapter 7 13 1 To conclude you should always carry out a trial run to test the vehicle functions 63 SERVICE MANUAL Invacare Fox 7 14 Armrest 7 14 1 Replacing the armrest IA Requirements VM 6 mm Allen key Dismantling the armrest Loosen the Allen screws 3 and 4 with a 6 mm Allen key and pull the armrest out of the holder Replace the armrest Refitting the armrest Refit the parts in reverse order 64 Invacare Fox SERVICE MANUAL 7 14 2 Replacing the holder Requirements e 10 mm Allen key Dismantling the holder Loosen the Allen screw 1 with a 10 mm Allen key and pull the holder 2 out of the seat frame 3 Replace the holder Refitting the holder Refit the parts in reverse order 65 SERVICE MANUAL Invacare Fox 7 15 Replacing the foot plate heel strap of the legrest 1 Requirements 6 mm Allen key Phillips screwdriver size 2 Dismantling the foot plate heel strap Loosen and remove the Allen screw 5 including circular washers 8 and nut 7 on the left with a 6 mm Allen key Remove the heel strap 3 of the legrest 1 Loosen the screw 6 with Phillips screwdriver and remove it together with the plastic sleeve 2 Replac
29. lug must snap in place securely Check that the plug is firmly attached to its socket Remove the batteries as described in chapter 7 4 Check the battery cables for visible damage crushing points or abrasion points Replace damaged cables Assemble all parts again in reverse order The last step is to test all functions of the vehicle Invacare Fox SERVICE MANUAL 7 7 Front wheels 7 7 1 Replacing front wheel A ATTENTION Danger of crushing to the hands and feet by the weight of the wheelchair Pay attention to the hand and feet Use proper lifting techniques Danger of injury due to uncontrolled movement of the wheelchair Switch the vehicle s power system off ON OFF key Engage the drive motors Secure the vehicle against rolling away by placing wedges under the wheels Requirements ge 5 mm Allen key 13 mm open ended spanner oblong wooden block approx 14 x 14x 30 cm Removing the wheel Prop up the wheelchair on multiple wooden blocks Use proper lifting techniques Counter the axle nut 3 using an open end wrench Loosen and remove the Allen screw 5 Pay attention to the washer 4 Pull the axle out of the front fork 2 Pull the wheel 1 out of the front fork 35 SERVICE MANUAL Invacare Fox Refitting the wheel Refit the parts in reverse order When installing the wheel pay attention to the correct direction of rotation 7 7 2 Replacing reversing the swinging axle The swin
30. ly tipping stability for this standard drive program 13 SERVICE MANUAL Invacare Fox 3 Tightening torques The tightening torques stated in the following list are based on the thread diameter for the nuts and bolts for which no specific values have been determined All values assume dry and de greased threads Tightening torque 3Nm 6Nm 10Nm 25Nm 49Nm 80 Nm 120 Nm 180 Nm in Nm 10 CAUTION Damage can be caused to the mobility device due to improperly tightened screws nuts or plastic connections Always tighten screws nuts etc to the stated tightening torque Only tighten screws or nuts which are not listed here fingertight Invacare Fox 4 Layout of components and componentry 4 1 Overview Under the rear cover 1 Power module 2 Drive unit The electronic modules used are described in chapter 4 2 Under the seat 1 Parking brake 2 Battery boxes 3 Saferty latches for the seat Special features 1 Scissor system please refer to user manual 2 Swinging axle please refer to chapter 7 7 2 SERVICE MANUAL 15 SERVICE MANUAL Invacare Fox 4 2 Overview of the electronic modules Different electronic modules can be fitted to the mobility aid Before you connect mobility aid components such as actuators or motors please begin by ascertaining which module is installed Please refer to the following table for an overview of the modules Shark II remote Batt
31. mmended in the following table 6 1 Drive fault diagnosis PROBLEM OTHER HONI 8 SOLUTION DOCUMENTATION SYMPTOMS CAUSE Mobility The remote Drive motors Engage drive See operating manual device will status display disengaged motors not start illuminates normally and does not show an error code Remote status Batteries Replace batteries See chapter 7 4 display does defective not illuminate Completely Pre charge See operating manual discharge batteries battery Power supply Reset circuit See chapter 7 5 to remote breaker interrupted Check cables See chapter 7 6 between the modules for loose connections and damage Remote Replace remote See chapter 7 2 2 defective Remote status Various Assess error code See chapter 6 2 display blinking causes 19 SERVICE MANUAL Invacare Fox PROBLEM OTHER POSSIBLE SOLUTION DOCUMENTATION SYMPTOMS CAUSE Mobility None Batteries Replace batteries See chapter 7 4 device defective judders in unstable drive mode voltage Drive motor s motor s See ES 7 11 1 defective Batteries None Batteries Kess batteries oe chapter 7 4 not being defective charged LEDs blinking Charging unit Replace charging See charging unit on charging defective unit user manual unit Mobility Remote Replace remote See chapter 7 2 2 device runs defective too slowly Batteries Replace batteries See chapter 7 4 defective 20 Invacare Fox SERVICE
32. n ended spanner against turning Remove the screw 2 the washer 4 and the axle nut 1 Pull the wheel 3 out of the axle Replace the anti tipper wheel Refitting the anti tipper wheel Refit the parts in reverse order Tighten the axle nuts just tight enough that the wheel can still rotate without resistance 47 SERVICE MANUAL Invacare Fox 7 10 Replacing the parking brake VU Requirements d i 5 mm Allen key Secure the vehicle against rolling away Bring the seat into the service position as described in chapter 7 12 1 Removing the parking brake Loosen the brake 2 by pressing the lever down Loosen and remove the screw 3 with a 5 mm Allen key Remove the parking brake 2 including clamping plate 1 from the chassis Replace the parking brake Refitting the parking brake Refit the parts of the parking brake in reverse order Ensure that the clamping plate is firmly fixed After this test the wheel lock function 48 Invacare Fox SERVICE MANUAL 7 11 7 11 1 A Drive unit Replacing the motor transmission unit Shark VR2 ATTENTION Danger of crushing to the hands and feet by the weight of the wheelchair Pay attention to the hand and feet Use proper lifting techniques Danger of injury due to uncontrolled movement of the wheelchair Switch the vehicle s power system off ON OFF key Engage the drive motors Secure the vehicle against rolling away by placing we
33. n key Side cutting pliers Cable ties 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 Dismantling the seat frame Remove any cable ties which may have been fitted to hold the cable away from the remote Remove the cable from the glued terminals Remove the cable so that there is no cable connection between the seat and the chassis Release the screws for the remote Remove the remote and keep it in a safe place Remove the legresis Remove the armrests as described in chapter 7 14 1 Put the seat into the service position and separate the seat from the chassis Remove the fabric seat as described in chapter 7 12 3 53 SERVICE MANUAL Invacare Fox Loosen and remove the bolts 3 incl fixing 4 the round disk 6 the washer and the nut 7 from the legrest holder Repeat these stages on the other side of the seat frame 1 Remove the backrest unit as described in chapter 7 13 Remove the fixing bolts 2 for the armrests 8 Loosen and remove the bolt 14 incl rosette 13 the round disk 12 the washer 11 and the nut from the seat extension Loosen and remove the bolts 10 with a 6 mm Allen key Repeat these stages on the other side of the seat frame 1 Remove the seat frame from the seat support 9 Replace the seat frame or seat support Refitting the seat frame Assemble the parts
34. ng using an 8 mm open ended spanner Repeat these stages on the other side of the seat frame 1 19 SERVICE MANUAL Invacare Fox 9 3 9 4 76 Fix the bolts 3 in the required drill hole A or B Fixing B long wheelbase 51 cm seat height high front Place the seat vertically onto its holder again Fold the seat forwards Ensure that the safety latches engage on the centre column Check all functions of the vehicle and go for a test drive Adjusting the seat tilt See user manual Adjusting the center of gravity of the seat The center of gravity of the seat can be adjusted by mounting the seat frame farther towards the front or the rear on the seat CAUTION The seating system of the electric wheelchair is delivered ex works with an optimally adjusted center of gravity Any change in this adjustment setting can negatively influence the stability of the electric wheelchair You must perform an individual risk analysis every time you change the center of gravity of the seating position in order to ensure the safety and stability of the electric wheelchair Invacare Fox SERVICE MANUAL gt A Seat depth B Center of gravity of the seat seat position Note The user weight and seat depth have strong influences on the choice of the Center of gravity of the seat If the user is heavy and the seat depth is greater the focus should be the farther back For best possible driving charac
35. not been replaced so that it knows which contains the current controller profile Note 40 The system allows normal usage of the mobility aid after component replacement only if the profile is selected afterwards 2 SERVICE MANUAL Invacare Fox 1 3 28 4 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 lf a newer version is available the driving program must be updated The procedure for updating the driving program is described in the user manual of the Wizard software Note The electronic system is supplied 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 This also applies to the customer specific options of the seat setting for ACS 2 remotes which are activated ex works WARNING Every alteration to the drive program can influence vehicle handling and the tipping stability of the wheelchair Alterations to the drive program must only be carried out by trained Invacare dealers Invacare can only assume a warranty for the safe vehicle handling of the wheelchair in particular tipping stability for unaltered standard drive programs Pre requisites Dynam
36. nss 12 2 2 Personal Safety E UO ET EE 12 2 3 General safety information and information about fitting 31 12 3 Tightening torques 14 4 Layout of components and componentry 15 4 1 EIERE 15 4 2 Overview of the electronic 01 5 lt lt lt lt lt lt lt lt lt lt lt lt 16 5 Service plan 1 annually 17 6 Operational faults 19 6 1 Drive fault diag NOSIS susaysa 19 6 2 Shark Error codes and diagnostic 0 3 lt lt lt lt lt lt lt lt lt 21 7 Repair work 22 7 1 ENEE 22 Fisi ST CON EE 22 T2 E COV EE 23 7 2 Electroni MOGUIES io c5s25 Eege 25 7 2 1 Replacing the power module lt lt 25 72 2 gt gt _ 01 TOMO le irc 27 7 2 3 Drive program selection after component replacement 27 7 3 Updating the Griving programina aaan 448 28 7 4 EIERE eene 29 TAT Replacing 6 111 EE 29 7 4 2 Installing removing the battery boxes nnnannnnnnennnnnnnennnnnsnnnennnsnnnnresrnnnrensnnrrensnnrerenne 32 7 4 3 Correct handling of damaged batteres 33 7 5 Resetting reut DIO AK Cl ee 34 SERVICE MANUAL Invacare Fox 7 6 Checking Bd 34 7 7 Front EE 35 Lr _ ele 2 tront wheel sirtar e Taa Ea 35 7 7 2 Replacing reversing the swinging axvle lt lt 36 T13 Changing the Wheelbase s
37. onera 38 7 1 4 Replacing the steering head bearings on the steering wheels 39 7 7 5 Installing the ball bearings lt lt lt lt lt lt lt a a aa a e a 41 7 7 6 Replacing the rubber bumper 42 7 7 7 Replacing ecasterlocke 43 7 8 Drive WhNEGlS eege ENEE 44 7 8 1 Replacing the drive wheels wheel size 1212 x 21 44 7 8 2 Replacing the drive wheels wheel oetze 2teB 50022 2 46 7 9 PADTIFTIP DEE WHEELS sonta a a E a E Ea EER 47 7 10 Replacing the parking 1080 lt lt 48 AIT Drive T 1 EE 49 7 11 1 Replacing the motor transmission unit Shark VR2 ccccccccseeceeceseeeeeeeeeeeesaeeeeeenaeees 49 7912 SEAL SYSTE aie E aE E S EEE aaa EEEa aR 51 7 12 1 Moving the seat into the service position 51 7 12 2 Replacing the seat frame EE 53 7 12 3 Replacing the fabric Seat padded lt lt lt lt lt lt 55 7 12 4 Replacing the fabric seat strechted lt lt lt lt 56 1125 REDIACING the seat KEE 59 7120 Replacing he Ee 2 e DEEN 60 712 7 Adusi ine e EE 60 TVS Backrest Hee Ee 61 7 13 1 Replacing the standard backrest 61 7 13 2 Replacing a standard backrest with quick release 62 TIA EIDEN 64 kaAi el 9 6 010 Ed 64 7 142 eieiei 65 7 15 Replacing the foot plate heel 50320111 1 01 51 lt lt lt lt lt lt lt lt lt lt lt lt
38. parts The guarantee will become invalid if other spare parts are used We reserve the right to make any alterations on the grounds of technical improvements The mobility aid may only be maintained and overhauled by qualified personnel The minimum requirement for service technicians is suitable training such as in the cycle or orthopaedic mechanics fields or sufficiently long term job experience Experience in the use of electrical measuring equipment multimeters is also a requirement Special Invacare training is recommended Alterations to the mobility aid which occur as a result of 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 1 2 Notes on shipping 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 Invacare Fox SERVICE MANUAL 1 3 bP D P D Definition and representation of information and safety information in this manual Different types of information and signal words are used throughout this manual HAZARD The signal word HAZARD refers to immediate hazards The following lines in italics refer to actions which serve to avoid such hazards WARNING The signal word WARNING refers to possibly occ
39. ration manual 9 1 2 Adjusting the seat depth gt A Seat depth B Center of gravity of the seat seat position 72 Invacare Fox SERVICE MANUAL 9 1 2 1 Adjusting the seat depth via the backrest unit fabric seat padded A ATTENTION Danger of crushing The seat seat support is very heavy Danger of injury to hands and feet Use proper lifting techniques 1 Requirements Iv Phillips screwdriver size 2 8 mm open ended spanner Side cutting pliers Cable ties 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 Remove the seat as described in chapter 7 12 3 Push the backrest unit 3 as far as the required drill hole in the seat frames 1 Fix the seat as described in chapter 7 12 3 Fix the bolts 2 incl rosette round disc washer and nut Ensure that the round disc is fitted correctly Note GD The screws 2 are fixed by the fabric seat see chapter 7 12 3 Check all functions during a test drive 13 SERVICE MANUAL Invacare Fox 9 1 2 2 Adjusting the seat depth via the backrest unit fabric seat strechted A ATTENTION Danger of crushing The seat seat support is very heavy Danger of injury to hands and feet Use proper lifting techniques 1 Requirements ge Phillips screwdriver size 2 8 mm open ended spanner Side cutting pliers Cable ties Note When di
40. re com www invacare dk 34 0 972 49 32 00 34 0 972 49 32 20 contactsp invacare com www invacare es 33 0 247 62 64 66 33 0 247 42 12 24 contactfr invacare com www invacare fr Invacare Fox Invacare Fox SERVICE MANUAL GB Invacare Ltd Customer services 44 0 1656 77 62 22 S Pencoed Technology Park Fax Customer services 44 0 1656 77 62 20 Pencoed uk invacare com Bridgend CF35 5HZ WWW www invacare co uk United Kingdom Leg 12 Invacare Mecc San s r l 39 0445 38 00 59 Se Via dei Pini 62 Fax 39 0445 38 00 34 36016 Thiene VI italla invacare com Italia WWW www invacare it CIE Invacare Ireland Ltd 353 18 10 70 84 Unit 5 Seatown Business Campus Fax 353 18 10 70 85 Seatown Rd Swords ireland invacare com County Dublin WWW www invacare ie Ireland C N Invacare AS Kundeservice 47 0 22 57 95 00 S Grensesvingen 9 Fax Kundeservice 47 0 22 57 95 01 Postboks 6230 norway invacare com Etterstad island invacare com N 0603 Oslo WWW www invacare no Norge Invacare B V 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 Invacare Lda Cr 351 225 10 59 46 Rua Estrada Velha 949 351 225 10 59 47 P 4465 784 Leca do Balio Fax 351 225 10 57 39 Portugal portugal invacare com WWW www invacare pt SERVICE MANUAL Invacare AB
41. remove the locking plate 2 Remove the caster locks 4 from the swinging axle Replace all parts Assembling the caster lock Assemble the parts in reverse order Note Ensure that the correct caster locks 4 are inserted left hand and right hand sides have different locks Ensure that the sprung thrust pieces 3 are seated precisely in the securing seat 2 when reassembling 43 SERVICE MANUAL Invacare Fox 7 8 Drive wheels 7 8 1 Replacing the drive wheels wheel size 1212 x 214 A ATTENTION Danger of crushing to the hands and feet by the weight of the wheelchair Pay attention to the hand and feet Use proper lifting techniques Danger of injury due to uncontrolled movement of the wheelchair Switch the vehicle s power system off ON OFF key Engage the drive motors Secure the vehicle against rolling away by placing wedges under the wheels 1 Requirements gg 19 mm socket spanner 19 mm open ended spanner blade screwdriver oblong wooden blocks approx 14 x 14 x 30 cm Removing the wheel Prop up the wheelchair on multiple wooden blocks Use proper lifting techniques Use a Phillips screwdriver to remove the plastic cap 5 Loosen and remove the nut 4 with a 19 mm socket spanner Remove the washer 3 Pull the wheel 1 out of the axle Remove the remaining washers 2 44 Invacare Fox SERVICE MANUAL Refitting the wheel Refit the parts in reverse order When in
42. river size 2 Phillips screwdriver 19 mm caster locks Torque wrench large screwdriver flat wooden block approx 12 x 12x 30 cm for propping up vehicle 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 Remove the legrests secure the vehicle against rolling away Place a wooden block approximately 14 cm high under the curb climber so that the swinging axle is hanging free or dismantle the swinging axle as described in chapter 7 7 2 and secure the swinging axle with a vice 39 SERVICE MANUAL Invacare Fox 40 Dismantling the steering head bearings Release the caster locks 5 for the front wheels on the swinging axle 1 Remove the front wheels as described in chapter 7 1 1 Use a screwdriver to remove the plastic cap 8 Loosen and remove the screws 3 with a 19 mm Phillips screwdriver and remove the locking plate 4 Remove the caster lock 5 and the ball bearings 6 and 7 Replace all steering head bearings Invacare Fox SERVICE MANUAL O 7 7 9 A Refitting the steering head bearings Assemble the parts in reverse order Note Ensure that the bearings are inserted precisely as described in chapter 7 7 5 Ensure that the correct caster locks 5 are inserted left hand and right hand sides have different locks Ensure that the sprung thrust pieces 2 are seated precisely
43. sassembling 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 Loosen and remove rhe screws 2 Position the backrest mounting bracket 3 according to the seat depth so that the drill hole aligns with the seat frame at 2 and 3 Tighten the set screw underneath the backrest mounting bracket 3 slightly Insert the backrest tube into the backrest mounting bracket as described in chapter 7 13 Fix the seat as described in chapter 7 12 4 or 7 12 5 Note ER The screws 2 are fixed by the fabric seat see chapter 7 12 4 Check all functions during a test drive 74 Invacare Fox SERVICE MANUAL 9 2 9 2 1 9 2 2 A Vi Adjusting the seat height Adjusting seat height above centre column See user manual Adjusting seat height above seat support ATTENTION Danger of crushing The seat seat support is very heavy Danger of injury to hands and feet Use proper lifting techniques Requirements 6 mm Allen key 8 mm open ended spanner 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 Put the seat into the service position as described in chapter 7 12 1 and separate the seat from the chassis Loosen and remove the bolts 3 with a 6 mm Allen key Hold the nut in the figure 2 this is covered against turni
44. stalling the wheel pay attention to the correct direction of rotation Tighten the nut 4 to 35 Nm 10 Nm 45 SERVICE MANUAL Invacare Fox 7 8 2 Replacing the drive wheels wheel size 1212 PS A ATTENTION Danger of crushing to the hands and feet by the weight of the wheelchair Pay attention to the hand and feet Use proper lifting techniques Danger of injury due to uncontrolled movement of the wheelchair Switch the vehicle s power system off ON OFF key Engage the drive motors Secure the vehicle against rolling away by placing wedges under the wheels 1 Requirements dei 19 mm socket spanner 19 mm open ended spanner blade screwdriver olong wooden blocks approx 14 x 14 x 30 cm Removing the wheel Prop up the wheelchair on multiple wooden blocks Use proper lifting techniques Use a Phillips screwdriver to remove the plastic cap 4 Loosen and remove the nut 3 with a 19 mm socket spanner Remove the washer 2 Pull the wheel 1 out of the axle 46 Invacare Fox SERVICE MANUAL Refitting the wheel Refit the parts in reverse order When installing the wheel pay attention to the correct direction of rotation Tighten the nut 3 to 35 Nm 10 Nm 7 9 Anti tipper wheels 1 Requirements sis 6 mm Allen key 13 mm ring spanner or jaw spanner Removing the anti tipper wheel Loosen the screw 2 with a 6 mm Allen key Hold the self locking axle nut 1 with a 13 mm ring or ope
45. teristics of rear wheel drive wheelchairs the weight to be distributed 30 40 front and 60 70 rear WARNING Danger of damage due to collisions of the legrests with other parts of the wheelchair Set the legrests to the smallest angle before adjusting the seat center of gravity Pay attention with adjusting the seat center of gravity that the legrests do not touch any other parts of the wheelchair This ensures that the legrests can not collide with other parts of the wheelchair 17 18 SERVICE MANUAL Invacare Fox ATTENTION Danger of crushing The seat seat support is very heavy Danger of injury to hands and feet Use proper lifting techniques A 1 Requirements d i 6 mm Allen key 8 mm open ended spanner GD 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 Put the seat into the service position as described in chapter 7 12 1 and separate the seat from the chassis Loosen and remove the bolts 3 with a 6 mm Allen key Hold the nut in the figure 2 this is covered against turning using an 8 mm open ended spanner Repeat these stages on the other side of the seat frame 1 Invacare Fox SERVICE MANUAL Fix the bolts 3 in the required drill hole A or B Fixing B long wheelbase 48 cm seat height deep front Place the seat vertically onto its holder again Fold the
46. tions of all cables and the sockets that they are connected to Mark the connectors and sockets or take a photograph with a digital camera UA i r de d e i e iF e Vg sprege N A i 1 1 7 3 br riri 25 SERVICE MANUAL Invacare Fox 26 Disconnect the plugs 1 from the power module 3 Use the 8 mm socket wrench to loosen both nuts 2 Pull the power module towards the rear and off of the guides Replace the power module Installing the power module Assemble the parts in reverse order Reconnect all cable connectors to their former positions Plug all free slots with a suitable rubber stopper Select the driving program as described in chapter 7 2 3 Update the driving program if a new software version is available as described in chapter 7 3 Modify the driving program using the programming software as needed The last step is to test all functions of the vehicle Invacare Fox SERVICE MANUAL 7 2 2 Replace remote Note Replacing the remote is very easy and is not described in detail However when replacing a remote in connection with the power module please take the final selection of the drive program into account as described in chapter 7 2 3 7 2 3 Drive program selection after component replacement The drive program is saved in the remote and in the power module If one of these two components is replaced the system must be told which of the components has
47. ts 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 Switch the power supply off ON OFF key Engage the drive Before jacking up secure the vehicle by using chocks to block the wheels ATTENTION Fire and burn hazard due to electrical short circuit The mobility device must be completely switched off before removal of voltage carrying components To do this remove the batteries Avoid short circuiting the contacts when carrying out measurements on voltage carrying components Invacare Fox SERVICE MANUAL A D A CAUTION Danger of burns from hot surfaces on the motor 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 Use only undamaged tools in good condition Some moving parts are mounted in sockets with PTFE coating Teflon 2 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 After completing your work before renewed start up of the mobility device check all parts for correct
48. urring hazards which can lead to death or serious injuries if they are not avoided 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 The following lines in italics refer to actions which serve to avoid such hazards CAUTION The signal word CAUTION refers to hazards which could lead to material damage if they are not avoided 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 SERVICE MANUAL Invacare Fox 1 4 A A A A O d 7 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 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 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 Always follow the instructions to avoi
49. wrench 30 Invacare Fox SERVICE MANUAL Remove the mounting bracket 1 and 3 together with the cable harness from the battery 2 Repeat the previous steps for the other battery Installing the batteries Set the new battery 2 on the plate of the mounting bracket 1 Reinstall the mounting bracket and secure with the screws and nuts 31 SERVICE MANUAL Invacare Fox Connect the cable harness to the battery aD Note RED Cable A to the batterie terminal BLUE Cable B 0 the batterie terminal Reinstall the cover of the battery box as described in chapter 7 1 2 Reinstall the the batterie box as described in chapter 7 4 2 Place the seat vertically onto its holder again Fold the seat forward Make sure that the safety latches engage on the center post Check all functions of the vehicle and go for a test drive 7 4 2 Installing removing the battery boxes The installation of the battery boxes in the vehicle is described in the user manual 32 Invacare Fox SERVICE MANUAL 7 4 3 A O V X Correct handling of damaged batteries WARNING BURN HAZARD Injury hazard due to discharged acid Always wear acid proof protective gloves when handling batteries Always wear protective goggles when handling batteries What to do if acid is discharged Always take clothing which has been soiled by or dipped in acid off immediately Rinse any areas of
50. your skin which has come into contact with battery acid off immediately with plenty of water If contact with eyes is made Rinse the affected eye under running water for several minutes You should also consult an eye specialist immediately afterwards Requirements protective goggles acid proof gloves acid proof transport container If handling damaged batteries always wear suitable protective clothing Always deposit damaged batteries in suitable acid proof containers immediately after removal Only transport damaged batteries in suitable acid proof containers Always wash any objects which were contacted by acid in plenty of fresh water Always dispose of used or damaged batteries correctly Used and damaged batteries will be taken back by your medical equipment supplier or Invacare 33 SERVICE MANUAL Invacare Fox 7 9 7 6 34 Resetting circuit breaker lf the mobility device cannot be switched on check whether the safety cutout has triggered The safety cutout is reset by pressing the knob inwards See user manual Checking the cables Switch the electronics OFF on the remote Remove the rear cover as described in chapter 7 1 1 Check all cables for visible damage crushing points or abrasion points Replace damaged cables Pull on each plug carefully The plug must not come out of its socket when pulled on lighily If a plug is loose apply slight pressure to push the plug into the socket The p
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