©2019InvacareCorporation
Allrightsreserved.Republication,duplicationormodicationinwholeorinpartisprohibitedwithoutpriorwritten
permissionfromInvacare.Trademarksareidentiedby™and®.AlltrademarksareownedbyorlicensedtoInvacare
Corporationoritssubsidiariesunlessotherwisenoted.
Contents
1General.........................................4
1.1Introduction..................................4
1.2GeneralInformation............................4
1.3NotesonShipping..............................4
1.4Symbolsinthismanual..........................4
1.5ImagesinThisManual..........................4
2Safety..........................................5
2.1Safetyinformation..............................5
2.2SafetyandFittingInstructions.....................5
3Hygiene.........................................7
3.1HandlingofReturnedUsedProducts................7
4Setup...........................................8
4.1Operatingconsole(LEDversion)....................8
4.1.1Enteringsetup(LEDDisplay)....................8
4.1.2SettingBatteryGauge........................9
4.2Operatingconsole(LCDversion)...................9
4.2.1Enteringsetup(LCDDisplay)....................10
4.2.2Settingcounter.............................10
4.2.3SettingBatteryGauge........................10
4.2.4Settingwheeldiameter.......................11
5Service..........................................12
5.1Generalsafetyinformationoninstallationwork........12
5.2Troubleshooting...............................12
5.2.1Operationalfaults...........................12
5.2.2Drivefaultdiagnosis..........................12
5.2.3ErrorCodesAndDiagnosticCodes...............13
5.3TighteningTorques.............................14
5.4Serviceplan(1xannually)........................14
5.5Controls.....................................15
5.5.1ReplacingOperatingConsole...................15
5.5.2ReplacingCircuitBoard.......................16
5.5.3ReplacingPotentiometer......................16
5.5.4Replacinglifter/liftercontrols...................17
5.5.5Replacingpowermodule......................18
5.6Shrouds.....................................19
5.6.1Removingshroud............................19
5.6.2Replacingfrontshroud........................19
5.7Lightingunit..................................20
5.7.1Replacingheadlight..........................20
5.7.2Replacingfrontdirectionindicators...............20
5.7.3Replacingcenterbrakelight....................21
5.7.4Replacingrearlights/directionindicators...........21
5.8Wheels......................................22
5.8.1Replacingwheelsuspension....................22
5.8.2Replacingshockabsorber......................23
5.8.3Replacingswingarm.........................24
5.8.4Replacingsteeringcolumn.....................24
5.8.5ReplacingFrontWheelSuspension(4–Wheel
Version)..................................25
5.8.6ReplacingandAdjustingCentralRearShock
Absorber.................................26
5.8.7Repairingtirepunctures.......................27
5.9Brakes.......................................27
5.9.1Replacinghandbrakes........................27
5.9.2Replacingbrakecable.........................28
5.9.3Replacingsteeringlink/couplingrod..............28
5.9.4Replacingcurvecontroldevice..................29
5.10DriveComponents.............................30
5.10.1Replacingdriveunit.........................30
5.10.2Replacingcarbonbrushes.....................32
5.11Seat.......................................32
5.11.1Replacingseatsuspension/spring...............32
5.11.2Replacingseatsupporttube...................33
6Accessories......................................34
6.1AccessoriesList................................34
Invacare®CometSeries
1General
1.1Introduction
Thisdocumentcontainsimportantinformationabout
assembly,adjustmentandadvancedmaintenanceofthe
product.Toensuresafetywhenhandlingtheproduct,read
thisdocumentandtheusermanualcarefullyandfollow
thesafetyinstructions.
FindtheusermanualonInvacare’swebsiteorcontact
yourInvacarerepresentative.Seeaddressesattheend
ofthisdocument.
Invacarereservestherighttoalterproductspecications
withoutfurthernotice.
Beforereadingthisdocument,makesureyouhavethe
latestversion.YoundthelatestversionasaPDFonthe
Invacarewebsite.
Forpre-saleanduserinformation,seetheusermanual.
Formoreinformationabouttheproduct,forexample
productsafetynoticesandproductrecalls,contactyour
Invacarerepresentative.Seeaddressesattheendofthis
document.
1.2GeneralInformation
•Serviceandmaintenanceworkmustbecarriedout
takingthisservicemanualintoaccount.
•Itisimperativethatyouobservesafetyinformation.
•Informationaboutoperationoraboutgeneral
maintenanceandcareworkonthemobilitydevice
shouldbetakenfromservicemanual.
•Youcanndinformationaboutorderingspareparts
inthesparepartscatalogue.
•SparepartsmustmatchoriginalInvacareparts.
Onlyusesparepartswhichhavebeenapprovedby
Invacare.
•Wereservetherighttomakeanyalterationsonthe
groundsoftechnicalimprovements.
•Formoreinformationabouttheproduct,forexample
productsafetynoticesandproductrecalls,contact
yourlocalInvacarerepresentative.Foraddressand
websiteseebackpageofthismanual.
•Themobilitydevicemayonlybemaintainedand
overhauledbyqualiedpersonnel.
•Theminimumrequirementforservicetechniciansis
suitabletraining,suchasinthecycleororthopedic
mechanicselds,orsufcientlylong-termjob
experience.
–Experienceintheuseofelectricalmeasuring
equipment(multimeters)isalsoarequirement.
–SpecialInvacaretrainingisrecommended.
•Alterationstothemobilitydevicewhichoccur
asaresultofincorrectlyorimproperlyexecuted
maintenanceoroverhaulworkleadtotheexclusion
ofallliabilityonthesideofInvacare.
•Ifyouhaveanyproblemsorquestionscontactyour
provider .
1.3NotesonShipping
•Ifthemobilitydevicehastobeshippedbacktothe
manufacturerformajorrepairs,youshouldalways
usetheoriginalpackagingfortransport.
•Pleaseattachaprecisedescriptionofthefault.
1.4Symbolsinthismanual
Symbolsandsignalwordsareusedinthismanualand
applytohazardsorunsafepracticeswhichcouldresultin
personalinjuryorpropertydamage.Seetheinformation
belowfordenitionsofthesignalwords.
WARNING
Indicatesahazardoussituationthatcould
resultinseriousinjuryordeathifitisnot
avoided.
CAUTION
Indicatesahazardoussituationthatcould
resultinminororslightinjuryifitisnot
avoided.
IMPORTANT
Indicatesahazardoussituationthatcould
resultindamagetopropertyifitisnot
avoided.
Tips
Givesusefultips,recommendationsand
informationforefcient,trouble-freeuse.
Tools
Identiesrequiredtools,componentsand
itemswhichareneededtocarryoutcertain
work.
1.5ImagesinThisManual
Thedetailedimagesinthismanualaregivenmarksto
identifyvariouscomponents.Componentmarksintext
andoperationalinstructionsalwaysrelatetotheimage
directlyabove.
4
1603798-D
Safety
2Safety
2.1Safetyinformation
WARNING!
Theproceduresinthisservicemanual,mustbe
performedbyaspecializeddealerorqualied
servicetechnician.
–Donothandlethisproductoranyavailable
optionalequipmentwithoutrstcompletely
readingandunderstandingtheseinstructions
andanyadditionalinstructionalmaterialsuch
asusermanuals,installationmanualsor
instructionsheetssuppliedwiththisproduct
oroptionalequipment.
Theinformationcontainedinthisdocumentis
subjecttochangewithoutnotice.
2.2SafetyandFittingInstructions
Thesesafetyinstructionsareintendedtopreventaccidents
atwork,anditisimperativethattheyareobserved.
Beforeanyinspectionorrepairwork
•Readandobservethisrepairmanualandthe
associatedusermanual.
•Observetheminimumrequirementsforcarryingout
thework(see1.2GeneralInformation,page4
).
PersonalSafetyEquipment
Safetyshoes
Themobilitydevice,andsomeofitscomponents,arevery
heavy.Thesepartscanresultininjuriestothefeetifthey
areallowedtodrop.
•Wearstandardizedsafetyshoesduringallwork.
Eyeprotection
Itispossiblethatbatteryacidcanbedischargedwhen
workingondefectivebatteriesorwhenhandlingbatteries
improperly.
•Alwaysweareyeprotectionwhenworkingonany
defectiveorpossiblydefectivebatteries.
Safetygloves
Itispossiblethatbatteryacidcanbedischargedwhen
workingondefectivebatteriesorwhenhandlingbatteries
improperly.
•Alwayswearacid-proofsafetygloveswhenworking
onanydefectiveorpossiblydefectivebatteries.
GeneralSafetyInformationandInformationAboutFitting
/Removal
DANGER!
RiskofDeath,SeriousInjury,orDamage
Lightedcigarettesdroppedontoanupholstered
seatingsystemcancauseareresultingin
death,seriousinjury,ordamage.Mobility
deviceoccupantsareatparticularriskofdeath
orseriousinjuryfromtheseresandresulting
fumesbecausetheymaynothavetheabilityto
moveawayfromthemobilitydevice.
–DONOTsmokewhileusingthismobility
device.
WARNING!
RiskofSeriousInjuryorDamage
Storingorusingthemobilitydevicenearopen
ameorcombustibleproductscanresultin
seriousinjuryordamage.
–Avoidstoringorusingthemobilitydevice
nearopenameorcombustibleproducts.
CAUTION!
Riskofcrushing
Variouscomponentssuchasthedriveunit,
batteries,seatetcareveryheavy.Thisresults
ininjuryhazardstoyourhands.
–Notethehighweightofsomecomponents.
Thisappliesespeciallytotheremovalofdrive
units,batteriesandtheseat.
CAUTION!
Injuryhazardifthemobilitydevicestarts
movingunintentionallyduringrepairwork
–Switchthepowersupplyoff(ON/OFFkey).
–Engagethedrive.
–Beforeliftingup,securethemobilitydevice
byusingchockstoblockthewheels.
CAUTION!
Fireandburnhazardduetoelectrical
short-circuit
–Themobilitydevicemustbecompletely
switchedoffbeforeremovalof
voltage-carryingcomponents!Todo
this,removethebatteries.
–Avoidshort-circuitingthecontacts
whencarryingoutmeasurementson
voltage-carryingcomponents.
CAUTION!
Riskofburnsfromhotsurfacesonthemotor
–Allowthemotorstocooldownbefore
commencingworkonthem.
1603798-D5
Invacare®CometSeries
CAUTION!
Injuryhazardandriskofdamagetomobility
deviceduetoimproperorincomplete
maintenancework
–Useonlyundamagedtoolsingoodcondition.
–Somemovingpartsaremountedinsockets
withPTFEcoating(Teon™).Nevergrease
thesesockets!
–Neveruse"normal"nutsinsteadof
self-lockingnuts.
–Alwaysusecorrectly-dimensionedwashers
andspacers.
–Whenreassembling,alwaysreplaceanycable
tieswhichwerecutduringdismantling.
–Aftercompletingyourwork/beforerenewed
start-upofthemobilitydevice,checkall
connectionsfortighttting.
–Aftercompletingyourwork/beforerenewed
start-upofthemobilitydevice,checkallparts
forcorrectlocking.
–Onlyoperatethemobilitydevicewiththe
approvedtyrepressures(seetechnicaldata).
–Checkallelectricalcomponentsforcorrect
function.Notethatincorrectpolaritycan
resultindamagetothecontrolsystem.
–Alwayscarryoutatrialrunattheendof
yourwork.
CAUTION!
Riskofinjuryanddamagetoproperty,ifthe
maximumspeedreductiononawheelchair
withalifterdoesnotfunctioncorrectly
Thewheelchair’scontrolunitmustreducethe
maximumpossiblespeedassoonasthelifter
israised.
–Testthemaximumspeedreductionfor
correctfunctionafteranymaintenancework
ormodicationstothewheelchair .
CAUTION!
Anychangestothedriveprogramcanaffect
thedrivingcharacteristicsandthetipping
stabilityofthemobilitydevice
–Changestothedriveprogrammayonlybe
carriedoutbytrainedInvacareproviders.
–Invacaresuppliesallmobilitydeviceswitha
standarddriveprogramex-works.Invacare
canonlygiveawarrantyforsafemobility
devicedrivingbehavior-especiallytipping
stability-forthisstandarddriveprogram.
Markallcurrentsettingsforthemobilitydevice
(seat,armrests,backrestetc.),andtheassociated
cableconnectingplugs,beforedismantling.This
makesreassemblyeasier .Allplugsarettedwith
mechanicallockswhichpreventreleaseofthe
connectingplugsduringoperation.Toreleasethe
connectingplugsthesafetylocksmustbepressed
in.Whenreassemblingensurethatthesesafety
locksarecorrectlyengaged.
61603798-D
Hygiene
3Hygiene
3.1HandlingofReturnedUsedProducts
Whenreconditioningorrepairingreturnedmobilitydevices:
•Takeprecautionsforyourselfandtheproduct.
•Useprotectionequipmentasspeciedlocally.
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)
•Brushestocleanareasdifculttoaccess
FurtherInformation
FormoreinformationcontactyourInvacareservicedepartment.
1603798-D
7
Invacare®CometSeries
4Setup
4.1Operatingconsole(LEDversion)
Arrangement
Fig.4-1
A
Statusdisplay
B
Switchingon/offcurvecontrol(reductionofspeed
whendrivinginacurve)
C
Hazardlights
D
Horn
E
Left-handdirectionindicator(switchesitselfoff
automaticallyafter30seconds)
F
Speedcontroldial
G
Right-handdirectionindicator(switchesitselfoff
automaticallyafter30seconds)
H
Lighting
I
Lowspeedmode
J
Drivelever
StatusDisplay
Fig.4-2
TheON/OFFdiode(1)isusedasafaultdisplay
(statusdisplay).Itwillashifthereisaproblem
withthescooter.Thenumberofashesindicates
thetypeoferror.Referto5.2.3ErrorCodesAnd
DiagnosticCodes,page13
.
BatteryIndicationGauge
Lowbatteryindication:Everytimethescooteris
activatedoratworkwhenbatterycapacityislower
than25%,theelectronicsystemwillbeepthree
times.
Overdischargeprotection:afteracertaindrivetime
onreservebatterypowertheelectronicsystem
switchesthedriveoffautomaticallyandbringsthe
scootertoastandstill.Ifyoudonotdriveyour
scooterforawhilethebatterieswill"recuperate"
andallowafurther,butshort,journey.However,
afteraverybriefjourneythebatteryreserve
symbolwillilluminateagainandtheelectronic
systemwillbeepthreetimes.Thisprocedure
leadstobatterydamageandshouldbeavoided
ifpossible!
Batterycapacity:
<25%
Reduceddrivingrange.
Rechargethebatteriesattheend
ofyourjourney.
Batterycapacity:
<20%
Batteryreserve=severely
restricteddrivingrange.
Rechargebatteriesimmediately!
Fig.4-3
(2)(3)(4)(5)(6)(7)(8)
Batterycapacity
>80%
<80%
<65%
<50%
<35%
<25%
<20%
4.1.1Enteringsetup(LEDDisplay)
ThischapterappliesformobilitydeviceswithLED
display.
1.Turnkeytoswitchmobilitydeviceoff.
2.
Pressandholdkeys.
3.Turnkeytoswitchmobilitydeviceon.
Mobilitydeviceenterssetupmodeaftertwoseconds.
LED2andLED8willash.
4.
Releasekeystoentersetupsettings.
81603798-D
Setup
4.1.2SettingBatteryGauge
ThischapterappliesformobilitydeviceswithLED
display.
Settingbatterygaugeismandatorywhen
retrottingoperatingconsole.
Adjusttheparameterinbatterygaugetosuitdifferent
typesandsizesofbatteries.
AGMbatteryGelbattery
(1)small
size
batteries
(≤50Ah,
default)
(2)bigsize
batteries
(>50Ah)
(3)small
size
batteries
(≤50Ah)
(4)bigsize
batteries
(>50Ah)
1.
Presskeytochangesettings.
2.Savesettingsbywaitingfor10secondsorpressing
anyotherkeysexceptkeysabove.
4.2Operatingconsole(LCDversion)
Arrangement
A
Statusdisplay
B
Switchingon/offcurvecontrol(reductionofspeed
whendrivinginacurve)
C
Hazardlights
D
Horn
E
Left-handdirectionindicator(switchesitselfoff
automaticallyafter30seconds)
F
Speedcontroldial
G
Right-handdirectionindicator(switchesitselfoff
automaticallyafter30seconds)
H
Lighting
I
Lowspeedmode
J
Setting
K
Drivelever
Statusdisplay
A
Speedindication
B
Faultindication
C
Curvecontrolindication
D
Maintenanceindication
1
E
Headlightindication
F
Leftturnindication
G
Settingsshown:ODO,TRIP ,TEMP ,TIME
H
Rightturnindication
I
Batterystatus
J
Lowspeedselectionindication
1
Ifthissymbolstartsashingforoneminuteeverytime
thescooterisswitchedon,contactyourprovider.
Batteryindicationgauge
Lowbatteryindication:Everytimethescooteris
activatedoratworkwhenbatterycapacityislower
than25%,theelectronicsystemwillbeepthree
times.
Overdischargeprotection:afteracertaindrivetime
onreservebatterypowertheelectronicsystem
switchesthedriveoffautomaticallyandbringsthe
scootertoastandstill.Ifyoudonotdriveyour
scooterforawhilethebatterieswill"recuperate"
andallowafurther,butshort,journey.However,
afteraverybriefjourneythebatteryreserve
symbolwillilluminateagainandtheelectronic
systemwillbeepthreetimes.Thisprocedure
leadstobatterydamageandshouldbeavoided
ifpossible!
Batterycapacity:
<25%
Reduceddrivingrange.
Rechargethebatteriesattheend
ofyourjourney.
Batterycapacity:
<20%
Batteryreserve=severely
restricteddrivingrange.
Rechargebatteriesimmediately!
1603798-D9
Invacare®CometSeries
>80%<80%<65%<50%<35%<25%<20%
4.2.1Enteringsetup(LCDDisplay)
ThischapterappliesformobilitydeviceswithLCD
display.
1.Turnkeytoswitchmobilitydeviceoff.
2.
Pressandholdkeys.
3.Turnkeytoswitchmobilitydeviceon.
Mobilitydeviceenterssetupmodeaftertwoseconds.
Enternextdisplaywith
key.
Enternextdisplaywith
key.
Enternextdisplaywith
key.
4.2.2Settingcounter
ThischapterappliesformobilitydeviceswithLCD
display.
1.Entersetupsettingsasdescribedin4.2.1Entering
setup(LCDDisplay),page10.
Defaultsettingis0.Youcansetakmvalue
asserviceinterval.
Ifcountervalueisgreaterthansetvalue,symbol
willashforoneminute,whenkeyisswitchedon.
+
0(OFF)+500+1000
+1500+2000..........
+9500+9999(max)
-
9999–9500–9000
–8500–8000.........
–500–0(OFF)
2.
Pressandholdkeyfor2sec.toerasecounter.
3.
Presskeytoincreasevalue.
4.
Presskeytodecreasevalue.
5.
Presskeytosaveandenternextpage.
4.2.3SettingBatteryGauge
ThischapterappliesformobilitydeviceswithLCD
display.
Settingbatterygaugeismandatorywhen
retrottingoperatingconsole.
Adjusttheparameterinbatterygaugetosuitdifferent
typesandsizesofbatteries.
AGMbatteryGelbattery
(1)small
size
batteries
(≤50Ah,
default)
(2)bigsize
batteries
(>50Ah)
(3)small
size
batteries
(≤50Ah)
(4)bigsize
batteries
(>50Ah)
101603798-D
Setup
1.
Presskeytoincreasevalue.
2.
Presskeytodecreasevalue.
3.
Presskeytosaveandenternextpage.
4.2.4Settingwheeldiameter
ThischapterappliestomobilitydeviceswithLCD
display.
Settingwheeldiameterismandatorywhen
retrottingoperatingconsole.
Setvalueaccordingtowheeldiameter11”,12” ,13”,14”
or15”forcorrectdisplayofspeed.
1.
Presskeytoincreasevalue.
2.
Presskeytodecreasevalue.
3.
Presskeytosaveandleavesetupsettings.
1603798-D
11
Invacare®CometSeries
5Service
5.1Generalsafetyinformationon
installationwork
Riskofdamagetomobilitydevice
Collisionscanbecausedifshimringsare
removedfromthedrivewheelsduring
installationwork.Shimringsarefrequently
placedbetweendriveshaftandwheelhub
tocompensatetolerances.Collisionscanbe
causediftheseshimringsareremovedandnot
re-installed.
–Installallshimringsinexactlythesame
positionstheywereinbeforedismantling.
5.2Troubleshooting
5.2.1Operationalfaults
Proceedasfollowsifyouhaveanyproblems:
1.Firstassessthepossiblecauseoftheproblemusing
thefollowingtable.
2.Checkoperatingconsolestatusdisplay.Evaluateash
code.
3.Carryoutnecessarychecksandrepairsas
recommendedinthefollowingtable.
5.2.2Drivefaultdiagnosis
ProblemOthersymptomsPossiblecauseSolution
Documentation
BatteriesdefectiveReplacebatteriesSeeusermanual
Completely
dischargedbattery
Pre-chargebatteries
Powersupplyto
operatingconsole
interrupted
CheckmainfuseSeeusermanualfor
mainfuseposition
Checkcable
betweenmodules
forloose
connectionsor
damage
SeeReplacingpower
module
Statusdisplayon
operatingconsole
doesnotilluminate
Operatingconsole
defective
Replaceoperating
console
See5.5.1Replacing
OperatingConsole,
page15
Scooterwillnotstart
Statusdisplayon
operatingconsole
ashing
Variouscauses
AssesserrorcodeSeecontrolsuser
manual
Drivemotor(s)
defective
Replacemotor(s)
See
Scooterjuddersindrivemode
None
Drivelever
potentiometer
defective
Replace
potentiometer
See5.5.3Replacing
Potentiometer,page
16
None
BatteriesdefectiveReplacebatteriesSeeusermanual
Batteriesnotbeingcharged
LEDsashingon
charger
ChargerdefectiveReplacechargerSeechargeruser
manual
Operatingconsole
defective
Replaceoperating
console
See5.5.1Replacing
OperatingConsole,
page15
Scooterrunstooslowly
None
BatteriesdefectiveReplacebatteriesSeeusermanual
Curvecontroldevice
forbendtravelnot
adjusted
Adjustcurvecontrol
device
Scooterdoesnotreduce
speedonbends
None
Curvecontroldevice
defective
Replacecurve
controldevice
See5.9.4Replacing
curvecontroldevice,
page29
12
1603798-D
Service
5.2.3ErrorCodesAndDiagnosticCodes
FlashcodeFault
Consequencefor
thescooterComments
1
Batteriesmustbe
charged
Continuestodrive•Thebatteriesaredischarged.Chargethebatteries
assoonaspossible.
2
BatteryvoltagetoolowStopsdriving•Thebatteriesaredepleted.Chargebatteries.
•Ifyouswitchthescooteroffforafewminutes,the
batteriescanoftenrecuperatetosuchastagethat
ashortjourneyisstillpossible.Youshouldonlydo
thisinanemergency,however,becausethiscauses
thebatteriestobecomeexcessivelydischarged.
3
BatteryvoltagetoohighStopsdriving•Thebatteryvoltageistoohigh.Ifthebattery
chargerisconnected,disconnectitfromthescooter .
•Theelectronicsystemchargesthebatterieswhen
runningdownhillandwhenbraking.Thisfaultis
causedwhenthebatteryvoltagebecomestoohigh
duringthisprocess.Switchthescooteroffandon
again.
4
PowertimeexceededStopsdriving•Themaximumcurrentwasexceededovertoo
longaperiod,probablybecausethemotorwas
overloadedorhasbeenworkingagainstan
immovableresistance.Switchthescooteroff,wait
afewminutesandthenswitchonagain.
•Theelectronicsystemhasdeterminedamotor
short-circuit.Checkthewiringharnessfor
short-circuitandcheckthemotor .
•ContactyourInvacareprovider .
5
BrakefailureStopsdriving•Ensurethatthedisengagingleverisintheengaged
position.
•Thereisadefectinthebrakingcoilorinthe
cabling.Checkthemagneticbrakeandcabling
foropenorshort-circuitedcircuitry.Contactyour
Invacareprovider.
Noneutralposition
whenswitchingscooter
on.
Stopsdriving•Driveleverisnotinneutralwhenthekeyswitch
wasturned.Putthedriveleverinneutral,turnthe
poweroffandthenturnonagain.
•Itmaybenecessarytoreplacethedrivelever .
ContactyourInvacareprovider .
6
CircuitboardfailureStopsdriving•Circuitboardgotdamagedwhileconnectingor
disconnectingthechargertothechargersocket.
•Testresistanceofdrivelevertoeliminateadefective
lever .
•Itmaybenecessarytoreplacethecircuitboardor
drivelever.ContactyourInvacareprovider.
7
Faultinspeed
potentiometer
Stopsdriving•Thedrivelevercontrolscouldbefaultyor
incorrectlyconnected.Checkthecablingforopen
orshort-circuitedcircuitry.
•Potentiometerisnotcorrectlyadjustedandmustbe
replaced.ContactyourInvacareprovider.
8
MotorvoltageerrorStopsdriving•Themotororitscablingisdefective.Checkthe
cablingforopenorshort-circuitedcircuitry.
9
Miscellaneousinternal
fault
Stopsdriving•ContactyourInvacareprovider.
10
Push/freewheelmode
error
Stopsmoving
•Thescooterhasexceededthepermissiblemaximum
speedduringpushingorfreewheeling.Switchthe
electronicssystemoffandonagain.
1603798-D13
Invacare®CometSeries
5.3TighteningTorques
CAUTION!
Riskofdamagetomobilitydevicedueto
improperlytightenedscrews,nutsorplastic
connections.
–Alwaystightenscrews,nutsetc.tothestated
tighteningtorque.
–Onlytightenscrewsornutswhicharenot
listedherengertight.
Thetighteningtorquesstatedinthefollowinglistare
basedonthethreaddiameterforthenutsandboltsfor
whichnospecicvalueshavebeendetermined.Allvalues
assumedryandde-greasedthreads.
ThreadTighteningTorquein
Nm±10%
M43Nm
M5
6Nm
M610Nm
M825Nm
M1049Nm
M1280Nm
M14120Nm
M16180Nm
5.4Serviceplan(1xannually)
Component
CheckRemedy
Notes
Checkwelded
seams,xingsand
upholstery
Tightenscrews,
replacepartsif
damaged
Seat
Checkseat
suspension
Greasethespring
generously,replace
partsifdamaged
SeeReplacingseat
suspension/spring
Checkxings,
weldedseamsand
batterymounting
Frames(chassis)/batterymounting
Checkbattery
xingstraps
Tightenscrews,
replacepartsif
damaged
Checkdrivewheels
fortightt
Tightenhub
nuts,replaceif
necessary
Checkfrontwheels
fortightt,oat
andsideplay
Adjust/replace
Checkpneumatic
tire
Repairorreplace
ifdamaged
Seeusermanual
Tightenscrews
Wheelsuspensionandwheels
Checktrackingand
steeringlink
Checktrackingand
steering
BrakeCheckbrake
functioninpushing
mode
Adjustorreplace
brake
ShockabsorberCheckshock
absorber
Adjustorreplace
shockabsorber
Checkfunctions
indriveandpush
modes
Replacemotorif
necessary
Driveunits,couplingmechanism
Checkclutch
mechanism
Tightenscrews/
nuts,adjustor
replace
Checkfunction Lighting
Checkcable/plug
connections
Replacelightbulbs
orcable
14
1603798-D
Service
Component
CheckRemedy
Notes
Checkbatteriesfor
damage
ReplacebatteriesSeeusermanual
Checkbattery
voltage
ChargebatteriesSeeusermanual
Batteries
Checkcontactsand
terminals
Cleancontactsand
terminals
Checkstatus
display(ashing)
Evaluateashcode
CheckxingTightenorreplace
xing
Checkcable,
connectingplug
Replacecable,
connectingplug
Checkdrivelever
function
Replacedrivelever
Drivecontrols
Checkpower
supply
Replacecable,
connectingplugor
console
Driveprogram
Checkdrive
programversion.
Newversion
available?
Updatesoftware
Checkcableand
connectingplug
Adjustorreplace
sensoroncurve
controldevice
Curvecontrolinbends
Checkfunction
Screws
Checkscrewsfor
tightt
Tightenscrewsif
necessary
5.5Controls
5.5.1ReplacingOperatingConsole
CAUTION!
Riskofburnsifpowercableisshorted
–Turnoffthepowercompletelybefore
removinganypowersupplycomponentsof
mobilitydevice.Thereforetakeoutbatteries.
–Avoidbridgingofcontactsduring
measurementsonliveelectricalcomponents.
CAUTION!
Riskofdamagetooperatingconsole/circuit
boardbyinstanthighcurrent/voltage
–Unplugbatterycablebefore
removing/installingoperatingconsole.
–Makesureallpinsarecorrectlyconnected.
RiskofDamagingCircuitBoardbyElectrostatic
Discharge
–HandlecircuitboardsonlyinElectrostatic
ProtectedAreas(EPA).
Theplugsontheoperatingconsolecannotbe
wronglyconnectedbecauseallplugshavea
differentsizeandonlytinonesocket.
•Phillipsscrewdriver
Settingbatterygaugeismandatorywhen
retrottingoperatingconsole.
Settingwheeldiameterismandatorywhen
retrottingoperatingconsole.
1.Removeseat.
2.Removeshroud.
3.
DisconnectbatterycableA.
1603798-D15
Invacare®CometSeries
4.
RemovetopshroudAfromsteeringcolumnB.
5.
RemovescrewsAbelowoperatingconsole.
6.Removeoperatingconsoleandfoldupwards.
7.RemovescrewsCondriveleverBandremovedrive
lever .
8.
LED
Fig.5-1
LCD
Fig.5-2
Disconnectplugfromoperatingconsolecircuitboard.
9.Replaceoperatingconsole.
10.Connectplugwithcircuitboardonnewoperating
console.
11.Installpartsinreverseorder.
12.Testallfunctions(trialrun).
5.5.2ReplacingCircuitBoard
CAUTION!
Riskofburningifpowercableisshorted
–Turnoffpowercompletelybeforeremoving
anypowersupplycomponentsofmobility
device.Thereforetakeoutbatteries.
–Avoidbridgingofcontactsduring
measurementsonliveelectricalcomponents.
CAUTION!
Riskofdamagetooperatingconsole/circuit
boardbyinstanthighcurrent/voltage
–Unplugbatterycablebefore
removing/installingcircuitboard.
–Makesureallpinsarecorrectlyconnected.
RiskofDamagingCircuitBoardbyElectrostatic
Discharge
–HandlecircuitboardsonlyinElectrostatic
ProtectedAreas(EPA).
1.Unplugbatteryconnector.
2.
Removeoperatingconsoleasdescribedinchapter
5.5.1ReplacingOperatingConsole,page15.
3.Replacecircuitboard.
4.Makesureallpinsarecorrectlyconnected.
5.Pluginbatteryconnectors.
6.Installpartsinreverseorder.
7.Testcircuitboardfunction.
5.5.3ReplacingPotentiometer
CAUTION!
Riskofburningifpowercableisshorted
–Turnoffthepowercompletelybefore
removinganypowersupplycomponents
ofthemobilitydevice.Thereforetakeout
batteries.
–Avoidbridgingofcontactsduring
measurementsonliveelectricalcomponents.
CAUTION!
Riskofdamagetooperatingconsolebyinstant
highcurrent/voltage
–Unplugbatterycablebefore
removing/installingoperatingconsole.
–Makesureallpinsarecorrectlyconnected.
CAUTION!
Riskofaccident
Wrongpotentiometersettingcanresultin
dangerousdrivingsituations.
–Connectpotentiometertodrivelever
mounting.
RiskofDamagingCircuitBoardbyElectrostatic
Discharge
–HandlecircuitboardsonlyinElectrostatic
ProtectedAreas(EPA).
•Phillipsscrewdriver
•2mmAllenkey
•Digitalmultimeter
Beforereplacingthepotentiometercheckresistance
ofit.Insomecasesadefectivecircuitboard
producesthesamefailures.
161603798-D
Service
1.Removeseat.
2.Removeshroud.
3.
DisconnectbatterycableA.
4.
RemovetopshroudAfromsteeringcolumnB.
5.
RemovescrewsAbelowoperatingconsole.
6.Removeoperatingconsoleandfoldupwards.
7.RemovescrewsCondriveleverBandremovedrive
lever .
8.
LCD
Fig.5-3
LED
Fig.5-4
DisconnectpotentiometerplugAfromoperating
console.
9.
RemovescrewsAonpotentiometer .
10.Replacepotentiometer.
11.
LCD
Fig.5-5
LED
Fig.5-6
ReconnectpotentiometerplugAwithoperating
console.
12.
ConnectpotentiometerAanddrivelevermountingB:
•TightenscrewC.
13.Installpartsinreverseorder.
14.Testallfunctions(trialrun).
5.5.4Replacinglifter/liftercontrols
CAUTION!
Riskofaccident
Accidentalrollingcanleadtoaccidents.
–Securemobilitydeviceagainstrollingaway.
Whendisassembling,notepositionofsmallparts
suchasscrewsandwashers.Putsmallpartsdown
sothattheycanbereassembledinrightsequence.
•14mmwrench
•Phillipsscrewdriver
1.Securemobilitydeviceagainstrollingaway.
2.Removeseat.
1603798-D
17
Invacare®CometSeries
3.Removeshroud.
4.
DisconnectbatteryplugsA.
Replacinglifter
1.Removebatteries.
2.Disconnectliftercableatwiringharnessconnecting
pluginmotorenclosure.
3.
Removescrews(1)onlifter(2).
4.Replacelifter .
5.Installpartsinreverseorder.
6.Testallfunctions.
Replacingliftercontrols
1.
Removebothscrews(1)fromliftercontrols(2).
2.Replaceliftercontrols(2).
3.Installpartsinreverseorder.
4.Testallfunctions.
Replacingfusesinliftercontrols
1.Loosenandremovescrewsonliftercontrolsshroud.
2.
Replacefuse(1).
3.Installpartsinreverseorder.
4.Testallfunctions.
5.5.5Replacingpowermodule
CAUTION!
Riskofaccident
Whenparkingmobilitydeviceonantitippersit
isnolongerslowedbymotorbrake.Mobility
devicecanrollawayoutofcontrol.
–Placemobilitydevices’srearframeona
supportingwoodenblockbeforeyouremove
wheels.
CAUTION!
Riskofburningifpowercableisshorted
–Turnoffpowercompletelybeforeremoving
anypowersupplycomponentsofmobility
device.Thereforetakeoutbatteries.
–Avoidbridgingofcontactsduring
measurementsonliveelectricalcomponents.
CAUTION!
Anychangestothedriveprogramcanaffect
thedrivingcharacteristicsandthetipping
stabilityofthemobilitydevice.
–Changestodriveprogrammayonlybecarried
outbytrainedInvacare®specialistproviders.
–Invacare®canonlygiveawarrantyforsafe
mobilitydevicedrivingbehaviour-especially
tippingstability-forunalteredstandarddrive
programs.
CAUTION!
Riskofaccident.Accidentalrollingcanlead
toaccidents.
–Securemobilitydeviceagainstrollingaway.
Thecontrolssystemissuppliedwithastandard
driveprogram.Ifyouhavecarriedout
customer-specicmodicationstothedrive
program,youwillhavetomakethesechanges
againafterinstallingthenewpowermodule.
Whendisassembling,notepositionofsmallparts
suchasscrewsandwashers.Putsmallpartsdown
sothattheycanbereassembledinrightsequence.
181603798-D
Service
Theplugsonpowermodulecannotbewrongly
connectedbecauseallplugshaveadifferentsize
andonlytinonesocket.
•10mmwrench
•17mmwrench
•Rubberhammer
•Phillipsscrewdriver
•Supportingwoodenblock
•Toadaptthedriveprogram:programming
softwareorhandprogrammingdeviceand
controlssysteminstallationmanual,available
fromInvacare.
1.Securemobilitydeviceagainstrollingaway.
2.Placesupportingwoodenblockunderframesat
batteryholderheight.
3.Removeseat.
4.Removeshroud.
5.
Disconnectbatterycable(1).
6.Removerearwheelxingscrews.
7.Removerearwheels.
8.Removedriveunit.See5.10.1Replacingdriveunit,
page30.
9.Removescrews(1)onpowermodule(2).
•Rhino1:
Fig.5-7DS112KB02/DS162KD01
•Rhino2:
Fig.5-8DS120
Fig.5-9DS160
10.
Replacepowermodule(2).
11.Installpartsinreverseorder.
12.Loaddriveprogramontopowermodule.Seecontrols
softwaredescription.
13.Testallfunctions(trialrun).
5.6Shrouds
5.6.1Removingshroud
CAUTION!
Riskofdamagetoshroud
–Donotpullshroudstraightuptoremove.
–Followinstructionsbelow.
1.
Placeonehandatthefront,theotherattherearof
theshroudA.
2.Liftshroudupfromfront.
3.
Placehandsonleftandrightsideofshroud.
4.Twistandlifttoremoveshroudcompletely.
5.6.2Replacingfrontshroud
•10mmsocketwrench
•Phillipsscrewdriver
1603798-D19
Invacare®CometSeries
1.Removerearshroud.See5.6.1Removingshroud,
page19.
2.
RemovefourcapsA.
3.LoosenandremovescrewsB.
4.Takeofffrontshroud.
5.Installpartsinreverseorder.
5.7Lightingunit
5.7.1Replacingheadlight
Youcanreplaceheadlightwithoutremovingthe
chassis.If,however,theworkingspaceistoosmall,
youcanremovethechassisasdescribedinchapter
5.8.4Replacingsteeringcolumn,page24
.
•Phillipsscrewdriver
1.Removeseat.
2.Removeshroud.
3.
DisconnectbatterycableA.
4.Removerearsteeringcolumnshroud.See5.8.4
Replacingsteeringcolumn,page24.
5.
RemovescrewAonheadlightunderfrontshroud.
6.DisconnectdirectionindicatorcableBatwiring
harnessbehindsteeringcolumnshroud.
7.
Removeheadlight.
8.Removescrews(1)onheadlightglass.
9.Removeheadlightglass.
10.Replacebulb(2)inheadlight.
11.Installpartsinreverseorder.
12.Testallfunctions.
5.7.2Replacingfrontdirectionindicators
•Phillipsscrewdriver
1.Removeseat.
2.Removeshroud.
3.
DisconnectbatterycableA.
4.
RemovedirectionindicatorscrewAonhousing.
5.DisconnectdirectionindicatorcableBfromwiring
harness.
201603798-D
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