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Invacare Fox User manual

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Invacare®Fox
enPowerWheelchair
ServiceManual
PROVIDER:Keepthismanual.
TheproceduresinthismanualMUSTbeperformedbyaqualied
technician.
©2020InvacareCorporation
Allrightsreserved.Republication,duplicationormodicationinwholeorinpartisprohibitedwithoutpriorwritten
permissionfromInvacare.Trademarksareidentiedby™and®.AlltrademarksareownedbyorlicensedtoInvacare
Corporationoritssubsidiariesunlessotherwisenoted.
MakingLife'sExperiencesPossibleisaregisteredtrademarkintheU.S.A.
Contents
1General.........................................4
1.1Introduction..................................4
1.2GeneralInformation............................4
1.3NotesonShipping..............................4
1.4SymbolsinthisManual..........................4
1.5ImagesinThisManual..........................5
2Safety..........................................6
2.1Safetyinformation..............................6
2.2SafetyandFittingInstructions.....................6
3Hygiene.........................................8
3.1HandlingofReturnedUsedProducts................8
4Components......................................9
4.1OverviewMobilityDevice........................9
5Setup...........................................11
5.1Generalinformationonsetup.....................11
5.2AdjustingSeatingPosition........................11
5.2.1AdjustingLowerLegLength....................11
5.3AdjustingSeatDepth............................11
5.4AdjustingSeatDepthviaBackrestUnit..............11
5.5AdjustingSeatHeight...........................12
5.5.1AdjustingSeatHeightviaCentreColumn..........12
5.5.2AdjustingSeatHeightviaSeatSupport............13
5.6AdjustingSeatTilt..............................13
5.7AdjustingCentreofGravityofSeat.................13
5.8AdjustingSafetyLatch...........................15
6Testing..........................................16
6.1TestingMotor.................................16
6.2TestingMotorBrake............................16
6.3Raintest.....................................16
6.4FieldLoadT est................................17
6.5CheckingBatteryChargeLevel.....................17
7Service..........................................19
7.1GeneralWarningInformationonInstallationWork......19
7.2TighteningTorques.............................19
7.3ServicePlan..................................19
7.4Troubleshooting...............................21
7.4.1OperationalFaults...........................21
7.4.2Drivefaultdiagnosis..........................21
7.5Chassis......................................22
7.5.1ChangingWheelbase.........................22
7.5.2Replacing/ReversingSwingingAxle..............22
7.5.3ReplacingKerbClimber(L-ShapeLever)...........23
7.5.4ReplacingRubberFoot........................24
7.5.5ReplacingRubberStopper.....................25
7.6DriveComponents..............................25
7.6.1ReplacingMotor/GearboxUnit..................25
7.7Shrouds.....................................26
7.7.1RearShroud................................26
7.7.2BatteryShroud..............................27
7.8Electricalcomponents...........................28
7.8.1ReplacingPowerModule......................28
7.8.2Batteries..................................28
7.8.3ReplacingBatteries...........................29
7.8.4Installing/RemovingBatteryBoxes..............30
7.8.5HandlingDamagedBatteriesCorrectly............30
7.8.6Replacingremote............................31
7.8.7DriveProgramSelectionAfterComponent
Replacement..............................31
7.8.8Updatingdrivingprogram......................31
7.8.9CheckingCables.............................31
7.8.10ResettingCircuitBreaker.....................31
7.9Wheels......................................31
7.9.1TyrePressure...............................31
7.9.2TyreTypes.................................32
7.9.3SpecicTighteningTorques....................32
7.9.4OverviewofPowerWheelchairModelsandWheel
Types....................................33
7.9.5ReplacingDriveWheel(1-BoltInstallation).........35
7.9.6ReplacingManualWheelLock..................36
7.9.7ReplacingCastorWheelonDouble-SidedFork......37
7.9.8ReplacingTyres.............................39
7.9.9ReplacingFrontFork.........................40
7.9.10ReplacingCasterLocks.......................41
7.9.11ReplacingAnti-TipperWheels..................42
7.9.12ReplacingSteeringHeadBearingsonSteering
Wheels...................................43
7.9.13InstallingBallBearings.......................44
7.10Seating.....................................44
7.10.1MovingSeatIntoServicePosition/Removing
Seat.....................................44
7.10.2ReplacingSeatFrame(FoxSeat)................44
7.10.3ReplacingFabricSeat(Padded).................46
7.10.4ReplacingFabricSeat(Stretched)...............46
7.10.5ReplacingSeatPlate.........................47
7.10.6ReplacingSafetyLatch.......................48
7.11Headrest/Neckrest.............................48
7.11.1ReplacingReaHeadrest......................48
7.11.2ReplacingReaHeadrestMountingBracket(Sling
Backrest).................................48
7.12Backrest....................................49
7.12.1ReplacingStandardBackrest...................49
7.12.2ReplacingBackrestHolderWithQuickRelease
System...................................49
7.13Armrests....................................50
7.13.1ReplacingArmrest..........................50
7.13.2InstallingInriggedArmrest(WoodenSeatPlate)....51
7.13.3ReplacingArmrestHolder.....................51
7.14ReplacingFootPlate/HeelStrapofLegrest..........52
7.15PostureBelt.................................52
7.15.1ReplacingPostureBelt.......................52
7.16LightingUnit.................................53
7.16.1ReplacingHeadlight.........................53
7.16.2ReplacingRearLight.........................53
Invacare®Fox
1General
1.1Introduction
Thisdocumentcontainsimportantinformationaboutassembly,adjustmentandadvancedmaintenanceoftheproduct.
Toensuresafetywhenhandlingtheproduct,readthisdocumentandtheusermanualcarefullyandfollowthesafety
instructions.
FindtheusermanualonInvacare’swebsiteorcontactyourInvacarerepresentative.Seeaddressesattheendofthis
document.
Invacarereservestherighttoalterproductspecicationswithoutfurthernotice.
Beforereadingthisdocument,makesureyouhavethelatestversion.YoundthelatestversionasaPDFontheInvacare
website.
Forpre-saleanduserinformation,seetheusermanual.
Formoreinformationabouttheproduct,forexampleproductsafetynoticesandproductrecalls,contactyourInvacare
representative.Seeaddressesattheendofthisdocument.
1.2GeneralInformation
Serviceandmaintenanceworkmustbecarriedouttakingthisdocumentintoaccount.
Itisimperativethatyouobservesafetyinformation.
Informationaboutoperationoraboutgeneralmaintenanceandcareworkontheproductshouldbetakenfromservice
manual.
Assemblyofaccessoriesmightnotbedescribedinthisdocument.Refertothemanualdeliveredwiththeaccessory.
AdditionalmanualscanbeorderedfromInvacare.Seeaddressesattheendofthisdocument.
Youcanndinformationaboutorderingsparepartsinthesparepartscatalogue.
SparepartsmustmatchoriginalInvacareparts.OnlyusesparepartswhichhavebeenapprovedbyInvacare.
Theproductmayonlybemaintainedandoverhauledbyqualiedpersonnel.
Theminimumrequirementforservicetechniciansissuitabletraining,suchasinthecycleororthopedicmechanicselds,or
sufcientlylong-termjobexperience.Experienceintheuseofelectricalmeasuringequipment(multimeters)isalsoa
requirement.SpecialInvacaretrainingisrecommended.
Alterationstothemobilitydevicewhichoccurasaresultofincorrectlyorimproperlyexecutedmaintenanceoroverhaul
workleadtotheexclusionofallliabilityonthesideofInvacare.
Ifyouhaveanyproblemsorquestionscontactyourprovider .
1.3NotesonShipping
•Ifthemobilitydevicehastobeshippedbacktothemanufacturerformajorrepairs,youshouldalwaysusethe
originalpackagingfortransport.
•Pleaseattachaprecisedescriptionofthefault.
1.4SymbolsinthisManual
Symbolsandsignalwordsareusedinthismanualandapplytohazardsorunsafepracticeswhichcouldresultinpersonal
injuryorpropertydamage.Seetheinformationbelowfordenitionsofthesignalwords.
DANGER
Indicatesahazardoussituationthatwillresultinseriousinjuryordeathifitisnotavoided.
WARNING
Indicatesahazardoussituationthatcouldresultinseriousinjuryordeathifitisnotavoided.
CAUTION
Indicatesahazardoussituationthatcouldresultinminororslightinjuryifitisnotavoided.
IMPORTANT
Indicatesahazardoussituationthatcouldresultindamagetopropertyifitisnotavoided.
4
1577880-D
General
Givesusefultips,recommendationsandinformationforefcient,trouble-freeuse.
Identiesrequiredtools,componentsanditemswhichareneededtocarryoutcertainwork.
1.5ImagesinThisManual
Thedetailedimagesinthismanualaregivenmarkstoidentifyvariouscomponents.Componentmarksintextand
operationalinstructionsalwaysrelatetotheimagedirectlyabove.
1577880-D5
Invacare®Fox
2Safety
2.1Safetyinformation
WARNING!
Theproceduresinthisservicemanual,mustbeperformedbyaspecializeddealerorqualiedservice
technician.
–Donothandlethisproductoranyavailableoptionalequipmentwithoutrstcompletelyreadingand
understandingtheseinstructionsandanyadditionalinstructionalmaterialsuchasusermanuals,installation
manualsorinstructionsheetssuppliedwiththisproductoroptionalequipment.
Theinformationcontainedinthisdocumentissubjecttochangewithoutnotice.
2.2SafetyandFittingInstructions
Thesesafetyinstructionsareintendedtopreventaccidentsatwork,anditisimperativethattheyareobserved.
Beforeanyinspectionorrepairwork
•Readandobservethisrepairmanualandtheassociatedusermanual.
•Observetheminimumrequirementsforcarryingoutthework(see1.2GeneralInformation,page4).
PersonalSafetyEquipment
Safetyshoes
Themobilitydevice,andsomeofitscomponents,areveryheavy.Thesepartscanresultininjuriestothefeetifthey
areallowedtodrop.
•Wearstandardizedsafetyshoesduringallwork.
Eyeprotection
Itispossiblethatbatteryacidcanbedischargedwhenworkingondefectivebatteriesorwhenhandlingbatteriesimproperly.
•Alwaysweareyeprotectionwhenworkingonanydefectiveorpossiblydefectivebatteries.
Safetygloves
Itispossiblethatbatteryacidcanbedischargedwhenworkingondefectivebatteriesorwhenhandlingbatteriesimproperly.
•Alwayswearacid-proofsafetygloveswhenworkingonanydefectiveorpossiblydefectivebatteries.
GeneralSafetyInformationandInformationAboutFitting/Removal
DANGER!
RiskofDeath,SeriousInjury,orDamage
Lightedcigarettesdroppedontoanupholsteredseatingsystemcancauseareresultingindeath,seriousinjury,
ordamage.Mobilitydeviceoccupantsareatparticularriskofdeathorseriousinjuryfromtheseresand
resultingfumesbecausetheymaynothavetheabilitytomoveawayfromthemobilitydevice.
–DONOTsmokewhileusingthismobilitydevice.
WARNING!
RiskofSeriousInjuryorDamage
Storingorusingthemobilitydevicenearopenameorcombustibleproductscanresultinseriousinjury
ordamage.
–Avoidstoringorusingthemobilitydevicenearopenameorcombustibleproducts.
CAUTION!
Riskofcrushing
Variouscomponentssuchasthedriveunit,batteries,seatetcareveryheavy.Thisresultsininjuryhazardsto
yourhands.
–Notethehighweightofsomecomponents.Thisappliesespeciallytotheremovalofdriveunits,batteries
andtheseat.
CAUTION!
Injuryhazardifthemobilitydevicestartsmovingunintentionallyduringrepairwork
–Switchthepowersupplyoff(ON/OFFkey).
–Engagethedrive.
–Beforeliftingup,securethemobilitydevicebyusingchockstoblockthewheels.
61577880-D
Safety
CAUTION!
Fireandburnhazardduetoelectricalshort-circuit
–Themobilitydevicemustbecompletelyswitchedoffbeforeremovalofvoltage-carryingcomponents!To
dothis,removethebatteries.
–Avoidshort-circuitingthecontactswhencarryingoutmeasurementsonvoltage-carryingcomponents.
CAUTION!
Riskofburnsfromhotsurfacesonthemotor
–Allowthemotorstocooldownbeforecommencingworkonthem.
CAUTION!
Injuryhazardandriskofdamagetomobilitydeviceduetoimproperorincompletemaintenancework
–Useonlyundamagedtoolsingoodcondition.
–SomemovingpartsaremountedinsocketswithPTFEcoating(Teon™).Nevergreasethesesockets!
–Neveruse"normal"nutsinsteadofself-lockingnuts.
–Alwaysusecorrectly-dimensionedwashersandspacers.
–Whenreassembling,alwaysreplaceanycabletieswhichwerecutduringdismantling.
–Aftercompletingyourwork/beforerenewedstart-upofthemobilitydevice,checkallconnectionsfor
tighttting.
–Aftercompletingyourwork/beforerenewedstart-upofthemobilitydevice,checkallpartsforcorrectlocking.
–Onlyoperatethemobilitydevicewiththeapprovedtyrepressures(seetechnicaldata).
–Checkallelectricalcomponentsforcorrectfunction.Notethatincorrectpolaritycanresultindamage
tothecontrolsystem.
–Alwayscarryoutatrialrunattheendofyourwork.
CAUTION!
Riskofinjuryanddamagetoproperty,ifthemaximumspeedreductiononawheelchairwithalifterdoes
notfunctioncorrectly
Thewheelchair’scontrolunitmustreducethemaximumpossiblespeedassoonasthelifterisraised.
–Testthemaximumspeedreductionforcorrectfunctionafteranymaintenanceworkormodicationstothe
wheelchair.
CAUTION!
Anychangestothedriveprogramcanaffectthedrivingcharacteristicsandthetippingstabilityofthe
mobilitydevice
–ChangestothedriveprogrammayonlybecarriedoutbytrainedInvacareproviders.
–Invacaresuppliesallmobilitydeviceswithastandarddriveprogramex-works.Invacarecanonlygivea
warrantyforsafemobilitydevicedrivingbehavior-especiallytippingstability-forthisstandarddriveprogram.
Markallcurrentsettingsforthemobilitydevice(seat,armrests,backrestetc.),andtheassociatedcableconnecting
plugs,beforedismantling.Thismakesreassemblyeasier.Allplugsarettedwithmechanicallockswhichprevent
releaseoftheconnectingplugsduringoperation.Toreleasetheconnectingplugsthesafetylocksmustbepressed
in.Whenreassemblingensurethatthesesafetylocksarecorrectlyengaged.
1577880-D
7
Invacare®Fox
3Hygiene
3.1HandlingofReturnedUsedProducts
Whenreconditioningorrepairingreturnedmobilitydevices:
•Takeprecautionsforyourselfandtheproduct.
•Useprotectionequipmentasspeciedlocally.
BeforeTransport(AccordingtoBiologicalAgentsOrdinance)
Treatproductaccordingtofollowingprocesssteps:
ProcessStepComponent
ApplicationConditioning
technique
WorkStation
ManualcleaningSurfaceofuseddeviceBeforerepairor
reconditioning
Usesaturatedtowel
toapplycleaning
detergentandremove
residuesafterimpact.
Cleaningand
disinfection
DisinfectionSurfaceofuseddeviceBeforerepairor
reconditioning
Usesaturated
disinfectantwipes
andclean*thedevice
surface.
Cleaningand
disinfection
*Invacareusesdetergent"Nücoseptspecial"1.5%inwaterml/ml
DisinfectionTools
•Disposablewipes(eece)
•Brushestocleanareasdifculttoaccess
FurtherInformation
FormoreinformationcontactyourInvacareservicedepartment.
81577880-D
Components
4Components
4.1OverviewMobilityDevice
UnderRearShroud
Fig.4-1
A:Driveunits
B:Powermodule
UnderSeat
Fig.4-2
C:Manualwheellock
D:Safetylatchesforseat
E:Batteryboxes
SpecialFeatures
Fig.4-3
F:Scissorsystem
G:Swingingaxle
H:Kerbclimber
1577880-D9
Invacare®Fox
ModuliteSeatOptions
Fig.4-4
J:Actuatormodule(ACT200)underseatplate.
101577880-D
Setup
5Setup
5.1Generalinformationonsetup
Thetasksdescribedinthischapterareintendedtobeperformedbytrainedandauthorizedservicetechniciansforinitial
setup.Theyarenotintendedtobeperformedbytheuser.
5.2AdjustingSeatingPosition
Foradjustingseatingpositiontoadaptmobilitydeviceoptimallytorequirementsofuser,werecommendthatyouaskyour
providertoadjusttheseatdepthindividually.Adaptingseattouser'sseatingpositiondependsonwhichseathasbeen
installed,andshouldbecarriedoutinfollowingsequence.
WARNING!
Riskofinjuryaftertiltingofmobilitycausedbyblockedsteeringwheels.
–Alwayscheckseatdepthsettingsforbothforwardandreversemovement.Makesurethatsteeringwheelscan
rotatefreelyandhavenotcontacttoanyxedmobilitydevicecomponent.
CAUTION!
Anychangestodriveprogramcanaffectdrivingcharacteristicsandtippingstabilityofmobilitydevice.
–Changestodriveprogrammayonlybecarriedoutbyproviders.
–Wesuppliesallmobilitydeviceswithastandarddriveprogramex-works.Wecanonlygiveawarrantyforsafe
mobilitydevicedrivingbehavior-especiallytippingstability-forthisstandarddriveprogram.
1.Adjustlowerleglengthandseatdepth.See5.2.1AdjustingLowerLegLength,page11and5.3AdjustingSeat
Depth,page11
.
2.Adjustseatheightandseattilt.See5.5AdjustingSeatHeight,page12andusermanualforseattilt.
3.Adjustcentreofgravityofseatframe.See5.7AdjustingCentreofGravityofSeat,page13.
4.Checkthatswivelcasterscanmovefreely.
5.Repeatstepstwotofour,ifnecessary.
5.2.1AdjustingLowerLegLength
Invacareoffersarangeoflegrestswhichcanbeadjustedindividually.Seeusermanual.
5.3AdjustingSeatDepth
A:Seatdepth
B:Centerofgravityoftheseat/seatposition
5.4AdjustingSeatDepthviaBackrestUnit
Whenremoving,takecareofsmallpartssuchasscrewsandwashers.Putallsmallpartsdownsothattheycan
beinstalledincorrectsequence.
AdjustingSeatDepth(uptoAugust2014)
•Phillipsscrewdriver,size2
•8mmwrench
•Sidecuttingpliers
•Cableties
1577880-D
11
Invacare®Fox
1.Disconnectcableconnections.
2.LoosenandremovenutFplainwasherE,saddlewasherD,rosetteBandboltA.
3.PositionbackrestmountingbracketGaccordingtoseatdepth,sothatholesonseatframeCandbackrestmounting
bracketGareinline.
4.Installseat.See7.10.4ReplacingFabricSeat(Stretched),page46or7.10.3ReplacingFabricSeat(Padded),page46.
5.Re-insertnutF,plainwasherE,saddlewasherD,rosetteBandboltA.TightennutF.
6.Insertbackresttubeintobackrestmountingbracket.See7.12Backrest,page49.
7.Connectcableconnections.
8.Testallfunctions.
AdjustingSeatDepth(SinceAugust2014)
•Phillipsscrewdriver,size2
•8mmAllenkey
•Sidecuttingpliers
•Cableties
1.Disconnectcableconnections.
2.LoosenandremovescrewDandrosetteC.
3.LoosensetscrewB.
4.PositionbackrestmountingbracketEaccordingtoseatdepth,sothattheholesonseatframeAandbackrest
mountingbracketareinline.
5.TightensetscrewBhand-tight.
6.Installseat.See7.10.4ReplacingFabricSeat(Stretched),page46or7.10.3ReplacingFabricSeat(Padded),page46.
7.Ifnotdoneinpreviousstep,tightenscrewDincludingrosetteC.
8.Insertbackresttubeintobackrestmountingbracket.See7.12Backrest,page49.
9.Connectcableconnections.
10.Testallfunctions.
5.5AdjustingSeatHeight
5.5.1AdjustingSeatHeightviaCentreColumn
•5mmAllenkey
•10mmwrench
12
1577880-D
Setup
Fig.5-1
SeatheightcanbesettotwodifferentseatheightsusingscaleB.Adjustseatheightaccordingtofollowingtable:
480mm
Useleftscale(defaultvalue:4)
510mm
Userightscale(defaultvalue:4)
1.Removeseat.See7.10.1MovingSeatIntoServicePosition/RemovingSeat,page44.
2.LoosenandremoveboltandnutC.
3.AdjustcentrecolumnA.
4.Installpartsinreverseorder.
5.Testallfunctions.
5.5.2AdjustingSeatHeightviaSeatSupport
•6mmAllenkey
•8mmwrench
Whenremoving,takecareofsmallpartssuchasscrewsandwashers.Putallsmallpartsdownsothattheycan
beinstalledincorrectsequence.
Seatcanbesettotwodifferentseatheights.Adjustseatheightaccordingtofollowingtable:
480mm
upperholes
510mm
lowerholes
1.Removeseatfromchassis.See7.10.1MovingSeatIntoServicePosition/RemovingSeat,page44.
2.LoosenandremovefourboltsBonbothsides,includingwashersCandnutsD.
3.Alignholesonseatframeandseatsupportandinsertbolts.
4.Re-insertwasherandnutandre-tightenbolt.
5.Installseat.See7.10.1MovingSeatIntoServicePosition/RemovingSeat,page44.
6.Testallfunctions.
5.6AdjustingSeatTilt
Seeusermanual.
5.7AdjustingCentreofGravityofSeat
Centreofgravityofseatcanbeadjustedbymountingseatframefarthertowardsfrontorrearonseat.
1577880-D13
Invacare®Fox
WARNING!
Theseatingsystemofthemobilitydeviceisdeliveredexworkswithanoptimallyadjustedcentreofgravity
(CoG).Anychangeinthisadjustmentsettingcannegativelyinuencethestabilityofthemobilitydevice.
–Youmustperformanindividualriskanalysiseverytimeyouchangethecentreofgravityoftheseating
position,inordertoensurethesafetyandstabilityofthemobilitydevice.
A:Seatdepth
B:Centreofgravityoftheseat/seatposition
Theuserweightandseatdepthhavestronginuencesonthechoiceofthecentreofgravity(CoG).Iftheuseris
heavyandtheseatdepthisgreater,thefocusshouldbethefartherback.Forbestpossibledrivingcharacteristicsof
rear-wheeldrivewheelchairs,theweighttobedistributed:30–40%frontand60-70%rear.
WARNING!
Riskofdamageduetocollisionsoflegrestswithotherpartsofthemobilitydevice
–Setlegreststothesmallestanglebeforeadjustingtheseatcentreofgravity.
–Payattentionwithadjustingtheseatcentreofgravitythatthelegrestsdonottouchanyotherpartsofthe
mobilitydevice.Thisensuresthatthelegrestscannotcollidewithotherpartsofthemobilitydevice.
•6mmAllenkey
•8mmwrench
Whenremoving,takecareofsmallpartssuchasscrewsandwashers.Putallsmallpartsdownsothattheycan
beinstalledincorrectsequence.
Seatcanbesettotwodifferentpositions.Adjustseatsupportaccordingtofollowingtable:
Rearposition
rearandmiddlehole
Frontposition
middleandfronthole
Fig.5-2
14
1577880-D
Setup
1.Removeseat.See7.10.1MovingSeatIntoServicePosition/RemovingSeat,page44.
2.LoosenandremovefourboltsB,washersCandnutsDonbothsides.
3.Shiftpositionofseat.
4.Alignholesonseatframeandseatsupportandinsertbolts.
5.Re-insertwasherandnutandre-tightenbolt.
6.Installseat.See7.10.1MovingSeatIntoServicePosition/RemovingSeat,page44.
7.Testallfunctions.
5.8AdjustingSafetyLatch
•19mmwrench
•12mmwrench
1.LoosenadjustingnutB.
2.Screwout/insafetylatchAsothatthespring-loadedcatchengagessecurelyandisushwiththeoutsideedge
whenitispulled.
3.Tightenadjustingnutwith15Nm±1Nm.
1577880-D15
Invacare®Fox
6Testing
6.1TestingMotor
•Phillipsscrewdriver,size2
•Digitalmultimeterwithresistancemeasurement
1.Removeshroudthatcoverspowermodule.See7.7
Shrouds,page26.
2.UnplugcableofmotorAfrompowermodule.
3.ConnectmultimeterBtomotorplugcontactsCandD
andmeasureresistancebetweencontacts.
Aresistanceofbetween0.5ohmsand5ohms
indicatesamotorreadyforoperation.A
resistanceofbetween15ohmsandinnity
indicatesadefectivemotor.Highresistancesare
normallycausedbybadconnectionsorworn
carbonbrushes.
Fig.6-1DuraWattmotorservesasanexample.
6.2TestingMotorBrake
Thistestshouldonlybecarriedoutonmobilitydevicewithconventionalmotor-gearboxunits.
CAUTION!
Riskofdamagetopowermoduleduetoshortsinmotorbrake
–NEVERconnectashortedmotorbraketoanintactpowermodule.
–Alwaysreplaceshortedbrakesimmediately.
Adefectivemotorcandamagethepowermodule,butadefectivepowermodulecannotdamagethemotor.
•Phillipsscrewdriver,size2
•Digitalmultimeterwithresistancemeasurement
1.Removeshroudthatcoverspowermodule.See7.7
Shrouds,page26
.
2.UnplugcableofmotorAfrompowermodule.
3.ConnectmultimeterBtomotorplugcontactsEandF
andmeasureresistancebetweencontacts.
Aresistanceofbetween40ohmsand80ohms
indicatesanintactbrake.Aresistanceof0ohms
oraveryhighresistance(mega-ohmsorinnity)
indicatesashort-circuit,abadconnectionora
defectivebrake.
4.Ifthereisadefect,replacemotorandsenditto
InvacareServiceforinspectionorrepair.
Fig.6-2DuraWattmotorservesasanexample.
6.3Raintest
•Checktoensurethattheblackbatteryterminalcapsaresecuredinplace,gaiterisnottornorcrackedwherewater
canenterandthatallelectricalconnectionsaresecureatalltimes.
•Donotusethemobilitydeviceifthegaiteristornorcracked.Ifthegaiterbecomestornorcracked,replace
immediately.
161577880-D
Testing
6.4FieldLoadTest
Oldbatteriesloosetheirabilitytostoreandreleasepowerduetoincreasedinternalresistance.Inthisprocedure,batteries
aretestedunderloadusingadigitalvoltmetertocheckbatterychargelevelatthechargerconnector.Thechargerconnector
islocatedontheremote.Whenvoltageattheoutputdrops1.0voltsunderload(2.0voltsforapair),replacethebatteries.
Readtheseinstructionscarefullyandthemanufacturer’sinstructionsonthedigitalvoltmeterbeforeproceeding.
•Voltmeter
WARNING!
–Whenperformingthefollowingsteps,ensureyourfeetareclearfromcastersandwall,otherwiseinjury
mayresult.
1.SwitchelectronicsOFFonremote.
2.Makesurebatteryisfullycharged.Anextremely
dischargedbatterywillexhibitthesamesymptomsasa
badbattery.
3.Removefootboard/legrestsfrommobilitydevice.
4.ConnectvoltmeterleadstochargerconnectorAon
mobilitydevice.MostdigitalvoltmetersBarenot
affectedbypolarity.However,analogmeters(meters
withswingingneedles)canbeandshouldbeused
carefully.
Agoodmeterreadingshouldbe25.5VDCto
26.0VDCwiththechairinneutral.
5.SwitchelectronicsONonremote.
6.Ensuethatyourfeetareclearfromcastersandwall.
7.Runmobilitydeviceinneutralforatleast2minutes.
8.Sitinmobilitydeviceandplaceyourfeetagainstadoor
jam,workbenchorotherstationaryobject.
9.Carefullygiveforwardcommand,tryingtodrivethe
mobilitydevicethroughthestationaryobject.Theload
shoulddrawbetween30ampsto40ampsfromthe
batteriesfor0.3seconds.
Performingthisstepputsaheavyloadon
thebatteriesastheytrytopushthroughthe
stationaryobject.Ifthewheelsspin,havetwo
individuals(oneoneacharm)applyasmuch
downwardpressureaspossibleonthearmsof
themobilitydevice.
10.Readmeterwhilemotorsarestrainingtodetermine
voltageunderload.
Ifthevoltagedropsmorethan2.0voltsfrom
apairoffullychargedbatteriesduringthe0.3
seconds,theyshouldbereplacedregardlessof
theunloadedvoltages.
Fig.6-3
6.5CheckingBatteryChargeLevel
Thefollowing“Dos”and“Don’ts”areprovidedforyourconvenienceandsafety.
DON’TDO
Don’tperformanyinstallationormaintenancewithoutrst
readingthismanual.
Readandunderstandthismanualandanyservice
informationthataccompaniesabatteryandchargerbefore
operatingthepersonaltransporter .
Don’tperforminstallationormaintenanceofbatteriesin
anareathatcouldbedamagedbybatteryspills.
Movethepersonaltransportertoaworkareabefore
cleaningterminals,oropeningbatterybox.
Don’tmakeitahabittodischargebatteriestothelowest
level.
Rechargeasfrequentlyaspossibletomaintainahigh
chargelevelandextendbatterylife.
1577880-D
17
Invacare®Fox
DON’TDO
Don’tusechargersorbatteriesthatarenotappropriate
forthechair.
Followrecommendationsinthismanualwhenselecting
abatteryorcharger .
Don’tputnewbatteriesintoservicebeforecharging.Fullychargeanewbatterybeforeusing.
Don’ttiportiltbatteries.Useacarryingstraptoremove,moveorinstallabattery.
Don’ttaponclampsandterminalswithtools.Pushbatteryclampsontheterminals.Spreadclampswider
ifnecessary.
Don’tmismatchyourbatteryandchargers.UseonlyaAGMchargerforaAGMbattery.
181577880-D
Service
7Service
7.1GeneralWarningInformationonInstallationWork
CAUTION!
Riskofdamagetovehicle
Collisionscanbecausediftheadjustingwashersareremovedduringttingworktothedrivewheels.Adjusting
washersareoftenttedbetweenthedriveshaftandthewheelhubtoevenouttolerances.Iftheseadjusting
washersareremovedandnotreplacedagain,collisionscanbecaused.
–Alwaysreplacetheadjustingwashersexactlyastheywerebeforeyoustarteddismantling.
CAUTION!
Riskofinjuryanddamagetoproperty,ifthemaximumspeedreductiononamobilitydevicewithalifterdoes
notfunctioncorrectly
Themobilitydevice’scontrolunitmustreducethemaximumpossiblespeedassoonasthelifterisraised.
–Testthemaximumspeedreductionforcorrectfunctionafteranymaintenanceworkormodications
tothemobilitydevice.
7.2TighteningTorques
CAUTION!
Riskofdamagetomobilitydeviceduetoimproperlytightenedscrews,nutsorplasticconnections.
–Alwaystightenscrews,nutsetc.tothestatedtighteningtorque.
–Onlytightenscrewsornutswhicharenotlistedherengertight.
Thetighteningtorquesstatedinthefollowinglistarebasedonthethreaddiameterforthenutsandboltsforwhichno
specicvalueshavebeendetermined.Allvaluesassumedryandde-greasedthreads.
ThreadTighteningTorqueinNm±10%
M43Nm
M5
6Nm
M610Nm
M825Nm
M1049Nm
M1280Nm
M14120Nm
M16180Nm
7.3ServicePlan
Component
CheckRemedy
Notes
Damagetoarmrests
Replacecoveringif
damaged
Armrests
ArmrestxingsTightenscrews
DamagetosidepanelsReplacesidepanelsif
damaged
Sidepanels
SidepanelxingsTightenscrews
SeatlockSeatlockdefectiveReplaceseatlock
SeatangleadjustmentTightseatingof
retainerclip
Replaceretainerclipif
necessary
Tightenscrews
Frames(chassis)/
batterymounting
Checkxings,welded
seamsandbattery
mounting
Replacecomponents
ifnecessary
1577880-D19
Invacare®Fox
Component
CheckRemedy
Notes
Checkdrivewheelsfor
tighttandsideplay
Adjust,replacewheel
hubs
See7.9Wheels,page
31
Wheelsuspensionand
wheels
Checksteeringwheels
fortightt,oatand
sideplay
Replacewheels,wheel
forkorwheelbearings
SwingingaxleCheckcastorlocksReplacecastorlocksSee7.9.12Replacing
SteeringHead
BearingsonSteering
Wheels,page43
Checkingswingingaxle
fordamage
Replacingswinging
axle
See7.5.2Replacing
/ReversingSwinging
Axle,page22
Checkfunctionsin
driveandpushmodes
Replacemotorif
necessary
Driveunits,coupling
mechanism
Checkcoupling
mechanism
Tightenscrews/nuts,
adjustorreplaceif
necessary
Legrests
Checkweldedseams,
interlocking,screws,
foot-plates
Tighten,replaceif
necessary
CheckcableReplacecableif
necessary
Checkcontacts
Poweredlegrests(if
installed)
Checkfunctions
CheckcableReplacelamporcable
ifnecessary
Lighting(ifinstalled)
Checkfunction
Checkbatteriesfor
damage
Replacebatteries,if
necessary
Seeusermanual
CheckbatteryvoltageChargebatteriesSeeusermanual
Batteries
Checkcontactsand
terminals
Cleancontactsand
terminals
Refertosafety
informationin7.8.5
HandlingDamaged
BatteriesCorrectly,
page30forhandling
batteries
Batterycase
Checklockingsystem,
itmustengage
completely
Replaceifnecessary
Remote,statusdisplay
blinking
Evaluateerror/blink
code
Fixings
Tightenxings,replace
ifnecessary
Cablesandconnecting
plugs
Tightencablesand
connectingplugs,
replaceifnecessary
Replacedriveleverif
necessary
Driveleverfunction
Replaceremoteif
necessary
Remote/electronics
module
PowersupplyTightencablesand
connectingplugs.
Replace,ifnecessary
201577880-D
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