Invacare Stream User manual

Invacare®Stream
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
4Setup...........................................9
4.1Generalinformationonsetup.....................9
4.2Adjustingtheseatangle/seatheight...............9
4.2.1Manualadjustmentusingperforatedplates........9
5Testing..........................................11
5.1TestingMotor.................................11
5.2TestingMotorBrake............................11
5.3Raintest.....................................11
5.4FieldLoadT est................................12
5.5CheckingBatteryChargeLevel.....................12
5.6CheckingActuator..............................13
6Service..........................................14
6.1GeneralWarningInformationonInstallationWork......14
6.2TighteningTorques.............................14
6.3Troubleshooting...............................14
6.3.1OperationalFaults...........................14
6.3.2DriveFaultDiagnosis.........................15
6.4ServicePlan(OnceaYear)........................15
6.5OverviewComponents..........................17
6.5.1Overviewmobilitydevice......................17
6.6DriveComponents..............................17
6.6.1Replacingmotor.............................17
6.6.2ReplacingSteeringHeadBearingsonCastors.......20
6.7Wheels......................................21
6.7.1TyrePressure...............................21
6.7.2TyreTypes.................................22
6.7.3SpecicTighteningTorques....................22
6.7.4OverviewofPowerWheelchairModelsandWheel
Types....................................23
6.7.5ReplacingDriveWheel(1-BoltInstallation).........24
6.7.6ReplacingCastorWheelonDouble-SidedFork......26
6.7.7ReplacingTyres.............................28
6.8Electronics...................................29
6.8.1Checkingandreplacingmainfuse................29
6.8.2Checkingcable..............................30
6.8.3UpdatingSoftware...........................31
6.9Batteries.....................................31
6.9.1GeneralInstructionsonHandlingBatteries.........31
6.9.2HandlingDamagedBatteriesCorrectly............32
6.9.3Replacingbatteries..........................32
6.10LightingUnit.................................32
6.10.1Replacingheadlight(LEDlight).................32
6.10.2Replacingrearlight(LEDlight).................33
6.11Replacingposturebelt..........................33

Invacare®Stream
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.
41608312-B

General
Givesusefultips,recommendationsandinformationforefcient,trouble-freeuse.
Identiesrequiredtools,componentsanditemswhichareneededtocarryoutcertainwork.
1.5ImagesinThisManual
Thedetailedimagesinthismanualaregivenmarkstoidentifyvariouscomponents.Componentmarksintextand
operationalinstructionsalwaysrelatetotheimagedirectlyabove.
1608312-B5

Invacare®Stream
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.
61608312-B

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.
1608312-B7

Invacare®Stream
3Hygiene
3.1HandlingofReturnedUsedProducts
Whenreconditioningorrepairingreturnedmobilitydevices:
•Takeprecautionsforyourselfandtheproduct.
•Useprotectionequipmentasspeciedlocally.
BeforeTransport(AccordingtoBiologicalAgentsOrdinance)
Treatproductaccordingtofollowingprocesssteps:
ProcessStepComponentApplicationConditioning
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.
81608312-B

Setup
4Setup
4.1Generalinformationonsetup
Thetasksdescribedinthischapterareintendedtobeperformedbytrainedandauthorizedservicetechniciansforinitial
setup.Theyarenotintendedtobeperformedbytheuser.
4.2Adjustingtheseatangle/seatheight
4.2.1Manualadjustmentusingperforatedplates
Therearethreeperforatedplatesunderneaththeseatforadjustingtheseatangleandtheseatheight.Theseperforated
platesinconnectionwiththeadjustablerearholdingplatesresultinamultitudeofdifferentsettingpossibilities.
Theadjustmentrangeoftheseatheightis42.5cmto50cm.Theadjustmentrangeoftheseatangleis22°.Note:The
highertheseatsetting,thesmallertheadjustmentrangeoftheseatangle!
•5mmAllenkey
•6mmAllenkey
•13mmwrench
•Torquewrench
•ThreadlockingadhesivesuchasLoctitemedium-hard
Thepictureaboveshowsthepositionoftheperforatedplates(1)andtheholdingplatexingscrews(2)foradjustingthe
seatheightandseatangle.
Thepictureaboveshowsthefrontperforatedplates.Theprocedureissimilarfortherearperforatedplates.A13mm
wrenchisrequiredinadditiontoa5mmAllenkeyforadjustingthefrontperforatedplates.
1.Loosenscrew(1)andremovetoadjustseatheight/angle.
2.Adjustperforatedplatetodesiredheight/angle.
3.Applythreadlockingadhesivetoscrew,re-insertscrewandtightento40Nm.
Seatheightandanglecanalsobeadjustedusingtherearholdingplate.
•Lowsetting=holecombination1and2.
•Highsetting=holecombination1and3.
1.Loosenrearscrewononeside(inbushing1)sothatholdingplatecanbeswivelledupordown.
2.Loosenfrontscrewandremove.Dependingontheposition,thescrewiseitherinbushing2or3.
1608312-B9

Invacare®Stream
3.Repeatprocedureonotherside.
4.Applythreadlockingadhesivetoscrew,re-insertscrewandtightento25Nm(+/-3Nm).
Theswivellingrearperforatedplateshavevepositions.ThesearelabelledintheillustrationabovewiththelettersAtoE.
Allvepositionscanbeusediftheholdingplatesareinthelowerposition(seeabove).OnlypositionsB,C,DandEare
possibleinthehigherposition!WhenusingpositionA,theholdingplatecollideswiththeseatframe.
Thefollowingseatheightsareavailable:
Holdingplateinlowerposition:
Positionofperforatedplate:Seatheight:
A44cm
B45.5cm
C45.5cm
D46.5cm
E47cm
Holdingplateinhigherposition:
Positionofperforatedplate:Seatheight:
B50.5cm(at6°seatangle)
C48.5cm
D49.5cm
E51.5cm
101608312-B

Testing
5Testing
5.1TestingMotor
•Phillipsscrewdriver,size2
•Digitalmultimeterwithresistancemeasurement
1.Removeshroudthatcoverspowermodule.SeeShrouds.
2.UnplugcableofmotorAfrompowermodule.
3.ConnectmultimeterBtomotorplugcontactsCandD
andmeasureresistancebetweencontacts.
Aresistanceofbetween0.5ohmsand5ohms
indicatesamotorreadyforoperation.A
resistanceofbetween15ohmsandinnity
indicatesadefectivemotor.Highresistancesare
normallycausedbybadconnectionsorworn
carbonbrushes.
Fig.5-1DuraWattmotorservesasanexample.
5.2TestingMotorBrake
Thistestshouldonlybecarriedoutonmobilitydevicewithconventionalmotor-gearboxunits.
CAUTION!
Riskofdamagetopowermoduleduetoshortsinmotorbrake
–NEVERconnectashortedmotorbraketoanintactpowermodule.
–Alwaysreplaceshortedbrakesimmediately.
Adefectivemotorcandamagethepowermodule,butadefectivepowermodulecannotdamagethemotor.
•Phillipsscrewdriver,size2
•Digitalmultimeterwithresistancemeasurement
1.Removeshroudthatcoverspowermodule.SeeShrouds.
2.UnplugcableofmotorAfrompowermodule.
3.ConnectmultimeterBtomotorplugcontactsEandF
andmeasureresistancebetweencontacts.
Aresistanceofbetween40ohmsand80ohms
indicatesanintactbrake.Aresistanceof0ohms
oraveryhighresistance(mega-ohmsorinnity)
indicatesashort-circuit,abadconnectionora
defectivebrake.
4.Ifthereisadefect,replacemotorandsenditto
InvacareServiceforinspectionorrepair .
Fig.5-2DuraWattmotorservesasanexample.
5.3Raintest
•Checktoensurethattheblackbatteryterminalcapsaresecuredinplace,gaiterisnottornorcrackedwherewater
canenterandthatallelectricalconnectionsaresecureatalltimes.
•Donotusethemobilitydeviceifthegaiteristornorcracked.Ifthegaiterbecomestornorcracked,replace
immediately.
1608312-B11

Invacare®Stream
5.4FieldLoadTest
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.5-3
5.5CheckingBatteryChargeLevel
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.
121608312-B

Testing
DON’TDO
Don’tusechargersorbatteriesthatarenotappropriate
forthechair.
Followrecommendationsinthismanualwhenselecting
abatteryorcharger .
Don’tputnewbatteriesintoservicebeforecharging.Fullychargeanewbatterybeforeusing.
Don’ttiportiltbatteries.Useacarryingstraptoremove,moveorinstallabattery.
Don’ttaponclampsandterminalswithtools.Pushbatteryclampsontheterminals.Spreadclampswider
ifnecessary.
5.6CheckingActuator
•Digitalmultimeterwithresistancemeasurement
1.TurnOFFcontrolsonremote.
2.Ifnecessary,removeshroud.
3.Takenoteofthepositionsofallcablesandsocketsthattheyareconnectedto.Markconnectorsandsocketsor
takeaphotographwithadigitalcamera.
4.Unplugactuator.
5.Connectmultimetertothecontactsandmeasuretheresistancebetweenthecontacts.Theplugcanhaveadifferent
shapethanshowninillustration.
Aresistancebelow1ohmsindicatesashort-circuit.Veryhighresistancesindicates(mega-ohmsorinnity)
indicatesadefectiveactuator.Actuatormustbereplacedinbothcases.
1608312-B13

Invacare®Stream
6Service
6.1GeneralWarningInformationonInstallationWork
CAUTION!
Riskofdamagetovehicle
Collisionscanbecausediftheadjustingwashersareremovedduringttingworktothedrivewheels.Adjusting
washersareoftenttedbetweenthedriveshaftandthewheelhubtoevenouttolerances.Iftheseadjusting
washersareremovedandnotreplacedagain,collisionscanbecaused.
–Alwaysreplacetheadjustingwashersexactlyastheywerebeforeyoustarteddismantling.
CAUTION!
Riskofinjuryanddamagetoproperty,ifthemaximumspeedreductiononamobilitydevicewithalifterdoes
notfunctioncorrectly
Themobilitydevice’scontrolunitmustreducethemaximumpossiblespeedassoonasthelifterisraised.
–Testthemaximumspeedreductionforcorrectfunctionafteranymaintenanceworkormodications
tothemobilitydevice.
6.2TighteningTorques
CAUTION!
Riskofdamagetomobilitydeviceduetoimproperlytightenedscrews,nutsorplasticconnections.
–Alwaystightenscrews,nutsetc.tothestatedtighteningtorque.
–Onlytightenscrewsornutswhicharenotlistedherengertight.
Thetighteningtorquesstatedinthefollowinglistarebasedonthethreaddiameterforthenutsandboltsforwhichno
specicvalueshavebeendetermined.Allvaluesassumedryandde-greasedthreads.
ThreadTighteningTorqueinNm±10%
M43Nm
M56Nm
M610Nm
M825Nm
M1049Nm
M1280Nm
M14120Nm
M16180Nm
6.3Troubleshooting
6.3.1OperationalFaults
Proceedasfollowsifyouhaveanyproblems:
1.Firstassessthepossiblecauseoftheproblemusingthefollowingtable.
2.Checktheremotestatusdisplay.Evaluatetheasherrorcode.
3.Carryoutthenecessarychecksandrepairsasrecommendedinthefollowingtable.
Thevariouspowermodulescanbettedinconnectionwithdifferentremotesinthemobilitydevice.Recticationof
operationalfaultsdependsonthepowermoduletted.Thepowermodulesusedaredescribedinthecorresponding
controlsmanual.
Thetablesforrecticationofoperationalfaultslistedinthefollowingchaptersareonlyanexcerptfromtheoriginal
manufacturer'smanuals.YoucanobtaintheoriginalmanualsfromInvacare.
141608312-B

Service
6.3.2DriveFaultDiagnosis
ProblemOthersymptomsPossiblecauseSolutionDocumentation
Theremotestatus
displayilluminates
normallyandshows
anerrorcode.
Drivemotors
disengaged
EngagedrivemotorsSeecorresponding
remotemanual
BatteriesdefectiveReplacebatteriesSee6.9Batteries,page
31
Completelydischarge
battery
Pre-chargebatteriesSeeusermanual
Powersupplyto
remoteinterrupted
CheckmainfuseSeeMainFuse
Remotestatusdisplay
doesnotilluminate
RemotedefectiveCheckcablesbetween
themodulesfor
looseconnectionsand
damage
SeeCheckingCables
Mobilitydevicewill
notstart
Remotestatusdisplay
blinking
VariouscausesAssesserrorcodeSeecorresponding
remotemanual
Batteriesdefective
(unstablevoltage)
ReplacebatteriesSee6.9Batteries,page
31
Replacemotor(s)See6.6Drive
Components,page
17
Mobilitydevice
juddersindrivemode
None
Drivemotor(s)
defective
Replacecarbon
brushes
NoneBatteriesdefectiveReplacebatteriesSee6.9Batteries,page
31
Batteriesnotbeing
charged
LEDsblinkingon
chargingunit
ChargingunitdefectiveReplacechargingunitSeeusermanual
RemotedefectiveReplaceremoteSeecorresponding
electronicsmanual
Mobilitydeviceruns
tooslowly
None
BatteriesdefectiveReplacebatteriesSee6.9Batteries,page
31
6.4ServicePlan(OnceaYear)
ComponentCheckRemedyNotes
PosturebeltDamagetoposturebeltReplacebeltifdamagedSee6.11Replacingposture
belt,page33.
BeltlockfunctionReplacebeltifdamagedSee6.11Replacingposture
belt,page33.
ArmrestsDamagetoarmrestsReplacecoverifdamaged
ArmrestxingsTightenscrews
ClothingguardDamagetoclothingguardReplaceclothingguard,if
damaged
ClothingguardxingsTightenscrews
SeatingCushionReplacecovers/upholstery
ifdamaged
TiltDamagetotiltReplacepartsifdamaged
1608312-B15

Invacare®Stream
ComponentCheckRemedyNotes
Backrest/manualrecline/
poweredrecline(iftted)
Damagetobackrest
Seams
Fixing
Checkcable
Checkfunction
Replacepartsifdamaged
Tightenscrews
Replacecableormotorif
necessary
Frames(chassis)/battery
mounting
Checkxings,welded
seamsandbattery
mounting
Tightenscrews
Replacecomponentsif
necessary
Wheelsuspensionand
wheels
Checkdrivewheelsfor
tighttandsideplay
Adjust,replacewheelhubsSee6.7Wheels,page21.
Checkcastorsfortightt,
oatandsideplay
Replacewheels,castor
forksorwheelbearings
See6.7Wheels,page
21and6.6.2Replacing
SteeringHeadBearingson
Castors,page20.
TyresRepairorreplaceif
damaged
See6.7Wheels,page21.
CheckstraightrunningReplacewheels,castor
forksorwheelbearings
See6.7Wheels,page21.
Driveunits,clutch
mechanism
MotorsTestmotorsSee5.1TestingMotor,
page11.
Checkfunctionsindrive
andpushmodes
Checkclutchmechanism
Replacemotorifnecessary
Tightenscrews/nuts,adjust
orreplaceifnecessary
See6.6DriveComponents,
page17.
BrakesCheckmotorbrakeTestmotorbrakeSee5.2TestingMotor
Brake,page11.
LegrestsCheckweldedseams,
interlocking,screws,foot
plates
Tighten,replaceif
necessary
Lighting(iftted)Checkcable
Checkfunction
Replacelamporcableif
necessary
See6.10LightingUnit,
page32.
BatterymountingCheckbatterysupportand
mountingbeltsfordamage
Replaceifnecessary
BatteriesCheckbatteriesfordamageReplacebatteriesif
necessary
See6.9Batteries,page31.
CheckbatteryvoltageChargebatteriesSeeusermanual.
Checkcontactsand
terminals
Cleancontactsand
terminals
See6.9Batteries,page31.
Remote/powermoduleRemote,statusLEDashingEvaluateerror/ashcodeSeeremoteusermanual.
FixingsTightenxings,replaceif
necessary
Cablesandconnecting
plugs
Replacedamagedcables
andtightenconnecting
plugs,ifnecessary
JoystickfunctionReplacejoystickknobif
necessary
Replaceremoteifnecessary
PowersupplyReplacedamagedcables
andtightenconnecting
plugs,ifnecessary
161608312-B

Service
ComponentCheckRemedyNotes
DriveprogramDriveprogramversionUpdatesoftwareifnewer
versionavailable
SeeLiNXservicemanual.
Screws(everysixmonths)CheckscrewsfortighttTightenscrewsifnecessary
6.5OverviewComponents
6.5.1Overviewmobilitydevice
Fig.6-1
Fig.6-2
(1)Decouplingmechanism
(2)Powermodule
(3)Perforatedplatesforadjustingtheseatheightandseatangle
(4)Mainfuse
6.6DriveComponents
6.6.1Replacingmotor
CAUTION!
Riskofcrushingtohandsandfeetbyweightofmobilitydevice
–Payattentiontothehandandfeet.
–Useproperliftingtechniques.
CAUTION!
Riskofinjurycausedbyuncontrolledmovementofmobilitydevice
–Switchpowersupplyoff(ON/OFFkey).
–Engagedrive.
–Beforeraisingmobilitydevice,securewheelsbyblockingthemwithwedges.
–Preventmobilitydevicefromtippingbyproppingituponawoodenblockunderbatterycasewhichis
longandwideenough.
–Ifwoodenblockistooshortortoohigh,mobilitydevicecanstilltip.
CAUTION!
Fireandburnshazardifbatteryterminalisbypassed
–Makesurethatbatteryterminalsarenevershortedwithtoolsormechanicalmobilitydeviceparts.
–Makesurethatbatteryterminalcapshavebeenreplacedifyouarenotworkingonbatteryterminals.
•Small,atscrewdriver
•Torxwenchwith
–TX40Bit
•8mmAllenkey
•11mmwrench
•19mmwrench
•Aglet,diameter2.5mm(forknockingthesplintoutofthedecouplingleverage)
•Smallhammer
•Sidecutters
•Tie-wraps
•Woodenblock(approx.12x12x30cm)forproppingupmobilitydevice
1608312-B17

Invacare®Stream
Takecareofsmallpartsandobservesequenceinwhichcomponentpartsareinstalled.Setthemoutinorderly
fashionsothattheycanbeinstalledagaineasilyincorrectsequence.
1.Propupmobilitydeviceusingwoodenblock.
2.
Loosenscrews(1).
3.Pullwheelfromwheelhub.
4.
Removebatteryshroud(1).
5.
Pulloffterminalcaps(1)andpushbacktogainaccesstobatteryterminals.
6.Loosenclamps.
7.Removebatteries.
8.
Toremovemotor,frontdecouplingrodconnection(1)mustbedisconnected.Releaseretainingring(1)usingsmall,at
screwdriverandpullout.
9.
Loosenandremovehandscrews(1)onbothsidesofcontrolsshroud.
10.Removecontrolsshroud.
181608312-B

Service
11.
Pullmotorplugoutofcontrols.
12.Motorcableissecuredtoframewithtie-wrap.Usesidecutterstocuttie-wrap.
13.
Loosenandremovemotorsuspension.
14.Removemotorfromsuspensioninadownwarddirection.
15.
Loosenandremovefourscrews(1)onmotorsuspension.
16.
Useagletandhammertocarefullyknocksplint(2)outofdecouplingleverage(1)
17.Removedecouplingleverage(1)togetherwithdecouplingrod(cannotbeseeninpicture)fromoldmotor.
CAUTION!
Riskofdamagetomotor
–Onlyapplymoderatepressuretodecouplingleverwhenttingtometalrodonnewmotor.
–Donotuseahammer .
Easiestwaytoinstalldecouplingleverisbeforemotorandotherpartsareassembled.
18.
Carefullypressdecouplingleverage(1)ontorod(2)onnewmotor.
19.Presssplint(3)in.
20.Installpartsinreverseorder .
CAUTION!
Riskofinjuryifwheelscomeoff
Ifdrivewheelsareinsufcientlyattachedduringassembly,theycancomeoffduringdriving.
–TightenTX40countersunkscrewsto30Nmwhenmountingdrivewheels.
–Alwaysusenewscrewswithundamagedcoating.
21.Securemotorcablewithnewtie-wrap.
1608312-B19

Invacare®Stream
6.6.2ReplacingSteeringHeadBearingsonCastors
CAUTION!
RiskofCrushingtoHandsandFeetbyWeightofMobilityDevice
–Payattentiontohandandfeet.
–Useproperliftingtechniques.
CAUTION!
RiskofUncontrolledMovementofMobilityDevice
–Turnoffpowersupply(ON/OFFkey).
–Engagedrive.
–Beforeraisingmobilitydevice,securewheelsbyblockingthemwithwedges.
–Preventthemobilitydevicetippingbyproppingituponawoodenblockwhichislongandwideenoughunder
thebatterycase.Ifthewoodenblockistooshortortoohigh,themobilitydevicecanstilltip.
•19mmsocketwrench
•Torquewrench
•Largescrewdriver,at
•Oblongwoodenblock(atleast14cmx14cmx30cm)
•Parallelpinpunches(6/8)
•Hammer(300g-500g)
Removing:
1.
Fig.6-3
Usewoodenblock(1)topropupmobilitydeviceonsideonwhichballbearingsaretobereplaced.
2.
Fig.6-4
Carefullyremovetheplasticcap(1)usingthelargescrewdriver .
3.Usesocketwrenchtoloosenandremovenut.Holdthewheelinsuchawaythatitisnotabletorotatewhennut
isremoved.
4.
Fig.6-5
Pullsteeringheadshaftdownwardandoutofsteeringheadtube.
5.Removeshimandballracefromheadoftube.Theotherballraceshouldbeonshaft.
201608312-B