Hyster G108 (E55Z) Forklift Service Repair Manual

Page 1

E45Z E50Z E55Z E60Z E65Z [G108]
SERVICE REPAIR
1600SRM1054 General General
1
Figure1.PowerSteeringComponents(Typical)

5.STEERINGPUMP

Thissectioncoversthedescription,disassembly,assembly,checks,adjustments,andtroubleshootingof thesteeringsystem.SeeFigure1.Thereisadescriptionfor eachpartofthesteeringsystematthe

13.MOUNTINGWELDMENT

beginningofeachrepairsection.Seethe Steering Axle SRMforyourvehicleforthedescriptionand repairproceduresforthesteeringcylinder.

Description

Thesteering systemusedonthislifttruckisa hydraulicsystemthatdoesnothaveamechanical connectionb etweenthesteeringwheelandsteeringaxle.Thecontrolofthesteeringisthrougha hydrauliccircuit.SeeFigure1andFigure2.An electricmotordrivesahydraulicpump.Toenergize themotor,thekeyswitchmustbe ON andtheseat switchmust beclosed.Afterthestartingsequenceis completed,theelectricmotoronthePowerSteering pumpwillruncontinuouslyatlowspeed.Asthe wheelisturned,theelectricmotorwillincrease itsspeedtomeetthesteeringdemand.Whenthe electricmotoroperatesthepump,hydraulicoilflows throughthepowersteeringsystem.

Asthesteeringwheelismovedtosteerthelift truck,thesteeringsensordetectsthemovement ofthesteeringshaft.Thesteeringsensorsendsa signalto themotortoincreaseordecreasethemotor speedproportionaltothespeedthatthesteering wheelis turned.Formoreinformation,seethe section ElectricalDiagrams, ACMotorControlSystem 8000SRM1225forlifttruckmodels J2.00-3.20XM(J40-65Z)(B416),andElectricalDiagrams, A CMotorControlSystem 8000SRM1059 forlifttruckmodelsJ2.00-3.20XM(J40-65Z)(A416), V30ZMD (D210/E210),E1.50-2.00XM(E25-35Z, E40ZS) (E114/F114),andE2.00-3.20XM(E45-65Z)

(G108).Seethesection Diagrams, ACMotor ControlSystem 8000SRM1203forlifttrucks

E3.50-5.50XL,E4.50XLS(E70-120Z,E100ZS) (D098/E098).fortheelectricalconnectionsfor PowerSteeringwiththeOn-Demandsystem.The steeringcontrolunitisalsooperatedbythesteering wheeltodirectoiltothesteeringcylinder.

Thesteeringwheelalsooperatesthesteeringcontrolunit.Whenthesteeringwheelisrotatedtosteer thelifttruck,thehydraulicoilissenttothesteering cylinderonthesteeringaxle.

Thesteeringcontrolunitisarotaryvalveoperated bythesteeringwheel.Duringthesteeringoperation, thesteeringcontrolunitcontrolsthedirectionofflow andvolume ofoiltocontrolthedirectionanddegree ofturn.Hydraulicoilreturnsfromthecylinderto thesteeringcontrolunitandthenreturnstothehydraulictank.

Ifforany reasonthesteeringpumpdoesnotoperate,acheckvalvepermitsthesteeringcontrolunit tostillcontrolthesteeringsystem.Thelifttruckis difficulttosteerwhenthesteeringpumpisnotoperating,butthesteeringcontrolunitcanoperatethe steeringcylinderandmakessteeringpossible.

Description 1600SRM1054
MOUNTINGWELDMENT)
TANK
LegendforFigure1 1.TOSTEERINGCONTROLUNIT 2.METALBAND(HOLDSPUMPMOTORTO
3.FROMHYDRAULIC
4.PUMPMOTOR
6.STEERINGCYLINDER 7.RETURNTOHYDRAULICTANK 8.PRESSURECHECKFITTING 9.RUBBERCHANNELS 10.MOUNTINGBRACKETS 11.CAPSCREW 12.WASHER
2

GENERAL

Theupperendofthesteeringshafthassplinesforthe steeringwheel.Alargehexnutholdsthesteering wheelontothesteeringshaft.Thehornbuttonisthe coverforthecenterofthesteeringwheel.Thelower endofthesteeringcolumnhassplinesoratangto engagethesteeringcontrolunit.SeeFigure3.

Thesteeringcolumnisadjustableandisheldinpositionbyalatch.Thesteeringcolumnpositioncan

bechangedfordifferentoperators.Thesteeringcolumnmustberaisedtothe UP positiontoprovide clearancefortheseatwhenremovingorinstalling thebattery.Thereisacoveronthesteeringcolumn foraccesstothesteeringcontrolunit,keyswitch, hornswitch,directionswitch(ifinstalled),andsteeringsensor.

1600SRM1054SteeringWheelandColumnAssemblyRepair 1.MOTOR 2.STEERINGPUMP 3.PRESSURETESTPORT 4.STEERINGCONTROLUNIT 5.STEERINGWHEEL 6.STEERINGCYLINDER 7.HYDRAULICTANK 8.MAINCONTROLVALVE 9.FILTER
SteeringWheelandColumnAssemblyRepair
Figure2.SteeringSystemHydraulicSchematic
3
SteeringWheelandColumnAssemblyRepair1600SRM1054
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Figure3.SteeringColumnAssembly

LegendforFigure3

NOTE: FORCORRECTCONNECTION,SEETHE ELECTRICALDIAGRAMS, ACMOTORCONTROL SYSTEM 8000SRM1059FORLIFTTRUCKMODELSJ2.00-3.20XM(J40-65Z)(A416),V30ZMD(D210/E210), E1.50-2.00XM(E25-35Z,E40ZS)(E114/F114),ANDE2.00-3.20XM(E45-65Z)(G108).SEE ELECTRICAL DIAGRAMS, ACMOTORCONTROLSYSTEM 8000SRM1225.FORLIFTTRUCKMODELSJ2.00-3.20XM (J40-65Z)(B416).SEE DIAGRAMS, ACMOTORCONTROLSYSTEM 8000SRM1203FORLIFTTRUCK MODELSE3.50-5.50XL,E4.50XLS(E70-120Z,E100ZS)(D098/E098).

20.PLUG(WITHOUT

ASSEMBLYCOMPONENTS,REMOVE

NOTE: Thisprocedureisfortheremovalofallcomponentsofthesteeringcolumnassembly.Usually,it isnotnecessarytoremoveallofthecomponents.Do onlythosestepsoftheprocedurenecessarytoremove thecomponentyouneedtoremove.Tomakerepairs tothesteeringcontrolunit,seethesection Steering HousingandControlUnit 1600SRM720.

WARNING

Thehydraulichosesmustbeconnectedtothe correctportsorthesteeringsystemwillnotoperateasexpected,whichcancausedamageor personalinjury.Makesurethehosesareidentifiedandconnectedcorrectly.

1. Disconnectthebatteryandattachatagonthe truckbatteryconnectorstatingDONOTCONNECTBATTERY.Raisethesteeringcolumnto the UP position.Removethecolumntiltlever andtheupperandloweraccesscoversfromthe steeringcolumn.

2. Removekeyswitchfromhousingofthesteering column.Makeanidentificationoftheelectrical wiresanddisconnectthemfromthekeyswitch.

3. Removethehorn buttonassembly.Identifyeach hornwireandremovethemfromthehornbutton assembly.

4. Makeanidentificationoftheelectricalconnectorsanddisconnectthemfromthedirection switches.Removethedirectionswitchfromthe housingofthe steeringcolumn.Removescrews andshiftleverassembly.SeeFigure4.

CAUTION

Hornwirescouldbedamagedusingasteering wheelpuller.

5. Removetheplasticrivetsthatfastenthebracket forthehornswitchtothehousingofthesteering column.Movethehornswitchandbracketaway fromthesteeringcolumn.SeeFigure3.

6. Removethehornbutton,largehexnut,and steeringwheelfromtheshaft.Ifnecessary,use pullertooltoremovesteeringwheel.

7. Disconnecttheconnectorandremovethetwo capscrewsholdingthesteeringsensortothe steeringcolumn.Removethesteeringsensor fromthesteeringcolumn.SeeFigure3.

1600SRM1054SteeringWheelandColumnAssemblyRepair
11.LOWERACCESSCOVER 12.COLUMNTILTLEVER 13.PUSHROD 14.LATCH 15.SPRING 16.WASHER
1.ON-DEMANDSTEERINGCOMPONENTS 2.UPPERACCESSCOVER 3.BRACKET 4.PIVOT(STEERING)SHAFT 5.PLATE 6.LOCKWASHER 7.CAPSCREW 8.LOCKNUT 9.SCREW 10.STATICGROUNDPATCH
17.COTTERPIN 18.PIN 19.STEERINGCONTROLUNIT
TURNSIGNAL)
29.LEFTTURN 30.RETURN 31.PLASTICRIVET
21.HORNSWITCHANDHORNBUTTON 22.STEERINGWHEEL 23.STEERINGCOLUMN 24.RETURNSPRING 25.STEERINGSENSOR 26.LARGEHEXNUT 27.INPUT 28.RIGHTTURN
5

1.DIRECTIONSWITCHES

2.SHIFTLEVERASSEMBLY

3.SCREW

4.ELECTRICALCONNECTORS

Figure4.DirectionControlHandleAssembly

NOTE: Ifthesteeringcolumnneedstobereplaced, removescrewsandreplacesteeringcolumn.

8. Removethesteeringcolumnandsteeringpump fromthemountingbracket.SeeFigure3.

WARNING

Thehydraulichosesmustbeconnectedtothe correctportsorthesteeringsystemwillnotoperateasexpected,whichcancausedamageor personalinjury.Makesurethehosesareidentifiedandconnectedcorrectly.

9. Disconnectthehydraulichosesatthebottomof thesteeringcontrolunit.Installplugsatallhose portsandhoseendstopreventdirtfromentering thesystem.SeeFigure5.

10. Removethecapscrews,lockwashers,andlock platesthatfastenthesteeringcolumntothe pivotsonthelifttruck.Removethesteeringcolumnfromthelifttruck.Makesuretheelectric wiresandthehydraulichosesarenotdamaged asthesteeringcolumnisremoved.

1.HYDRAULICHOSEENDS

2.HOSEPORTS

3.STEERINGCONTROLUNIT

4.SCREWS

5.HORNSWITCH

Figure5.HydraulicHoseConnections

ASSEMBLYCOMPONENTS,INSTALL

NOTE: Thisprocedureisfortheinstallationofall componentsofthesteeringcolumnassembly.Doonly thosestepsoftheprocedurenecessarytoinstallthe componentyouneedtoinstall.

WARNING

ThehydraulichosesMUSTbeconnectedtothe correctportsandfittingsorthesteeringsystemwillnotoperateasexpected.Thisoperationthatisnotexpectedcancausedamageor personalinjury.Connectthehosesasidentifiedduringremoval.

1. Installthesteeringcontrolunittothebracket. Installthesteeringcolumntosteeringcontrol unitandbracket.SeeFigure3.

2. Removeplugateachhoseendandport.

3. Connecteachhydraulichoseatthebottomofthe steeringcontrolunit.Makesureeachhydraulic hoseisconnectedtothecorrectportasidentified duringremoval.RepeatStep1throughStep3 untilallhydraulichosesareconnectedtotheir ports.SeeFigure5.

4. Connectthewireconnectorandinstallthetwo capscrewsthatholdthesteeringsensortothe steeringcolumn.

SteeringWheelandColumnAssemblyRepair1600SRM1054
6

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5. Installthesteeringwheelandlargehexnut. Tightenthelargehexnutto40to54N•m(30to 40lbfft).Connectthewireatthehornbutton andinstallthehornbutton.

6. Identifythecorrespondingcontactandelectrical wiretoeachdirectionalswitch.Installthedirectionalswitchtothehousingofthesteeringcolumn.Installscrewsandshiftleverassemblyto steeringcolumn.SeeFigure4.

7. Ifremoved,installthewiresonthekeyswitch thatwereidentifiedduringremoval.Installthe keyswitch.

8. Identifyeachhornwiretothehornswitch.Installeachhornwiretothehornswitch.Using twoplasticrivetsinstallthehornswitchintothe steeringshaft.

DESCRIPTION

9. Ifremoved,connectthewireconnectorsonthe directionswitchthatwereidentifiedduringremoval.Installthedirectionswitchinthehousing andinstallthelargenut,dustcover,andhandle. SeeFigure4.

10. Installcolumntiltlever.

11. Connectthewireconnectorsatthebottomofthe steeringcolumn.Installtheupperandloweraccesscoversonthesteeringcolumn.SeeFigure3.

12. Lowerthesteeringcolumntothe DOWN position.RemoveDONOTCONNECTBATTERY tagfromtruckbatteryconnector.Connectthe batteryandoperatethesteeringsystemtocheck forcorrectoperationandleaks.

PowerSteeringMotorandPump

(E114/F114)thebatteryandbatterytraymustbe removedSeeFigure6.

NOTE: Seealsothesection HydraulicSystem 1900SRM559foradditionalinformationforthe powersteeringpump.Thesteeringmotorandpump assemblyaremountedbehindthebatterycompartmentonJ2.00-3.20XM(J40-60Z)(A416/B416). UnderthefloorboardsonE2.00-3.20XM(E45-65Z) (G108),V30ZMD(D210/E210),andE3.50-5.50XL (E70-120Z)(D098/E098)lifttruckmodels,andunder thebatterytrayonE1.50-2.00XM(E25-35Z,E40ZS) (E114/F114).SeeFigure6.

ThepowersteeringmotorandpumpoperateasdescribedinDescriptioninthefrontofthismanual. SeeFigure7.

REMOVE WARNING

Makesuretheblocksorstandshaveenough capacitytoholdthelifttruck.Useadditional blocksnexttothetiresasnecessarytoprevent movementofthelifttruck.

NOTE: Toremovethesteeringmotorandpump fromtheE2.00-3.20XM(E45-65Z)(G108),V30ZMD (D210/E210),andE3.50-5.50XL,E4.50XLS(E70120Z,E100ZS)(D098/E098)thefloorboardsmustbe removed,andontheE1.50-2.00XM(E25-35Z,E40ZS)

NOTE: Putthelifttruckonblocksasdescribed inthe OperatingManual orinthesection PeriodicMaintenance 8000SRM1226forlift truckmodelsJ2.00-3.20XM(J40-60Z)(B416), PeriodicMaintenance 8000SRM1060forlifttruck modelsJ2.00-3.20XM(J40-65Z)(A416),V30ZMD (D210/E210),E1.50-2.00XM(E25-35Z,E40ZS) (E114/F114),andE2.00-3.20XM(E45-65Z)(G108) orsection PeriodicMaintenance 8000SRM 1201forlifttruckmodelsE3.50-5.50XL,E4.50XLS (E70-120Z,E100ZS)(D098/E098).Toremovethe steeringmotorandpumpfromtheJ2.00-3.20XM (J40-60Z)(A416/B416)theleftsteerwheeland fendershieldmustberemoved.SeeFigure6.

1. Turnthekeytothe OFF position,unplugbattery,anddischargecapacitorsbyhonkinghorn. Removetheleftsteerwheel.

NOTE: Step2,Step3,Step4,Step5,andStep6are usedonJ2.00-3.20XM(J40-60Z)lifttrucks.

2. Removetheleftsidesteertireandwheel.See thesection SteeringAxle 1600SRM316forthe procedures.

3. Removethefendershieldthatislocatedabove thesteerwheelontheleftside.

1600SRM1054PowerSteeringMotorandPump
7
PowerSteeringMotorandPump1600SRM1054
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Figure6.SteeringMotorandPumpLocation

LegendforFigure6

NOTE: TOPVIEWSHOWN

NOTE: *LIFTTRUCKMODELSV30ZMD(D210/E210)AREEQUIPPEDWITHAACHYDRAULICMOTORONLY.

A. J2.00-3.20XM(J40-60Z)(A416/B416)

B. E2.00-3.20XM(E45-65Z)(G108),V30ZMD(D210/E210),ANDE3.50-5.50XL,E4.50XLS(E70-120Z,E100ZS) (D098/E098)

C. E1.50-2.00XM(E25-35Z,E40ZS)(E114/F114)

1.DCHYDRAULICMOTOR*

2.HYDRAULICTANK

3.STEERINGMOTOR

LegendforFigure7

A. STEERINGMOTORANDPUMPMOUNTING BRACKETANDHARDWAREFORJ2.00-3.20XM (J40-60Z)(A416/B416),E1.50-2.00XM (E25-35Z,E40ZS)(E114/F114),E2.00-3.20XM (E45-65Z)(G108),ANDV30ZMD(D210/E210) TRUCKSSHOWN

B. STEERINGMOTORANDPUMPMOUNTING BRACKETANDHARDWAREFORE3.50-5.50XL, E4.50XLS(E70-120Z,E100ZS)(D098/E098) TRUCKSSHOWN

WARNING

Neverputtoolsorothermetalobjectsonthe battery.Metalonthebatterycancauseashort circuitandpossibledamageorinjury.

4. Openthehoodandinstallacardboardorplywood coveronthetopofthebatterytopreventaccidentalshortcircuits.

5. Removethecoverpanelfromtheleftsideofthe battery.

6. Removethecoverfromthetopofthecounterweight.

7. OnE1.50-2.00XM(E25-35Z,E40ZS)(E114/ F114),E2.00-3.20XM(E45-65Z)(G108),and E3.50-5.50XL,E4.50XLS(E70-120Z,E100ZS) (D098/E098),removethefloorboards.

8. Removethesuctionhoseatthepump.Quickly putplugsintheendofthehoseandthepump porttokeepoilfromdraininganddirtfromenteringthesystem.

1600SRM1054PowerSteeringMotorandPump
Figure7.SteeringPumpandMotor
1.STEERINGMOTOR 2.STEERINGPUMP 3.METALSTRAP 4.CAPSCREW 5.BRACKET WELDMENT 6.WASHER 7.BRACKET 8.RUBBERCHANNEL 9.TRUCKFRAME 10.NUT 11.GROMMET
9

9. Disconnectthepressurehosefromthesteering pump.Installaplugatthefittingforthehose andthepumpport.

10. Attachidentificationtagsonallelectricalcables. Disconnectthecablesfromthepumpmotor.

11. Installaslingaroundthesteeringpumpand motorassembly.Connectacranetotheslingand raisethecranesothatitsupportstheassembly. Thepumpandmotorassemblyweighsapproximately13.6kg(30lb)ormoreforlifttruck modelsJ2.00-3.20XM(J40-60Z)(A416/B416), E1.50-2.00XM(E25-35Z,E40ZS)(E114/F114), E2.00-3.20XM(E45-65Z)(G108),andV30ZMD (D210/E210)and18.5kg(41lb)forlifttruck modelsE3.50-5.50XL,E4.50XLS(E70-120Z, E100ZS)(D098/E098).

12. Removethecapscrewsthatfastenthemounting brackettothelifttruckframe.

13. Removethepumpandmotorasanassembly.

14. Makeanoteofthepositionoftheinletandoutlet portsofthepumpforcorrectalignmenttothe motorduringassembly.Removethecapscrews thatfastenthepumptothemotorandcarefully removethepump.RemovetheO-ringsbetween themotorandthepump.SeeFigure1.

DISASSEMBLE

Thepowersteeringmotorcannotbedisassembled.It mustbereplacedasanentireunit.

INSTALL

1. InstallanewO-ringbetweenthemotorandthe pump.

2. Installthepumponthemotor.Makesurethe pumpshaftcorrectlyengagesthemotorshaft.

3. Attachthemotortothemountingbracket.Make surethemotoriscorrectlyalignedonthemountingbracket.

4. Attachaslingaroundthemotor.Positionthe slingsoitpassesthroughtheareawherethe steeringmotormounts.Attachacranetothe sling,andcarefullyliftthepumpmotorassemblyintoposition.

5. Raisethemotorintoposition.Installthemountingboltsthatattachthemountingbrackettothe lifttruckframe.

6. Attachallelectricalcablestothemotoras markedduringremoval.

NOTE: Tightentheconnectionsforpowercablesat M6terminalsto18to22N•m(159to195lbfin). OnlifttruckmodelsE3.50-5.50XL,E4.50XLS(E70120Z,E100ZS)(D098/E098)tightenM6terminalsto 6.5to7.0N•m(57.5to62.0lbfin).

7. Attachthepressurehosetothepump.

8. OnE1.50-2.00XM(E25-35Z,E40ZS)(E114F114), E2.00-3.20XM(E45-65Z)(G108),andE3.505.50XL,E4.50XLS(E70-120Z,E100ZS)(D098/ E098),installthefloorboards.

NOTE: Step9,Step10,Step11,Step12,Step13,and Step14areusedonJ2.00-3.20XM(J40-60Z)(A416/ B416)lifttrucks.

9. Attachthesuctionhosetothepump.

10. Installthecoveronthecounterweight.

11. Installthecoverpanelontheleftsideofthe truck.

12. Installthefendershield.

13. Carefullyslidethewheelontothespindle.Installtheouterbearingcone.

14. Installthecastlenut.Tightenthecastlenutto 68N•m(50lbfft).Backoffonequarterturnand torquethecastlenutto3N•m(25lbfin).Insert andbendoneprongofcotterpin.

POWERSTEERINGPUMP,REPAIR

Sealsthatarewornordamagedarethemostcommon causeofpumprepair.Thepumpbearings,gears,and shaftsalsowear.Mostservicepersonsdonotrepair awornpump.Thecostofrepairscanbegreaterthan thecostofanewpump.Thesealscanbereplacedin thepowersteeringpump.Replaceapowersteering pumpthatiswornordamaged.

Thepowersteeringpumpisasingle-sectiongear pumpthatisfastenedtothepowersteeringmotor. SeeFigure8.Theinlet(suctionport)ofthepump isconnectedtothehydraulictankwithahydraulic hose.Bushingsateachsideofeachgeararethe bearingsforthegearshafts.Thebushingsalsohave passagesfortheoilflowtothepumpoutletandfor lubrication.Sealspreventleaksbetweensectionsof thepumphousing.Acouplingisconnectedbetween themotorshaftandthepumpshaft.

PowerSteeringMotorandPump1600SRM1054
10

Whenthepumpisinstalledonthemotor,useanew O-ring betweenthepumpandthemotorhousings.

Seal,Replace

NOTE: Ifthepumpisheldinavisefordisassembly,do notcausedistortionofthepumpbody.Use avisewithsoftjawsorblocksofsoftwoodbetween thepumpbodyandthejawsofthevise.

Makean identificationofthelocationofthepartsand seals duringdisassembly.Similarpartscancause errorsduringassembly.Identificationoftheparts canbe difficultifthepartsaremixed.

1. Remove thefourcapscrewsthatholdthepump together.Twoofthecapscrewsarethroughbolts andfastentotheendplateofthemotor.

2. Carefullyremovetheendcoversandremovethe sealsandO-rings.

3. Carefullypressthegearbearingandgearassembliesfromthepumpbody.

NOTE: Somepumpbodieswillshowmarkscausedby gearsasthegearsrotateagainstthepumpbody.The small clearancesbetweenthepartscausethegears toleavethemarks.Thesemarksdonotalwaysindicatethatthepumpiswornordamaged.Ifthepump

1600SRM1054PowerSteeringMotorandPump 1.SCREW 2.GASKETKIT 3.NEEDLEBEARING 4.SNAPRING 5.GEAR 6.SPACERPLATE 7.IDLERSH AFTKIT 8.PIN 9.PLUG 10.KEY 11.SHAFT 12.PLUG(PLASTIC) 13.PLUG(PLASTIC) 14.PLUG(STEEL)
Figure8.PowerSteeringPump
11

willnotsupplythevolumeandpressureshowninthe specifications,thenthepumpmustberepairedorreplaced.

4. Inspectthegearassemblies,thegearbearings, andthepumpbodyforwearordamage.

5. Cleantheinternalpartsofthepump.Usehydraulicoiltolubricatethepartsastheyareinstalledintothepump.Installnewsealsinthe bushings.

6. Installthegearsandbushingsinthepumpbody.

7. InstallnewO-rings,sealrings,anddowelpin intotheendcoverofthepumpwiththerelief valve.SeeFigure8forthearrangement.

8. InstallnewO-rings,sealrings,anddowelpin intotheotherendcoverwiththeflange.Install thisendcoverontothepump.

9. Checkthatallofthepartsareinthecorrectposition,andinstallthefourcapscrews.Tightenthe capscrewsto34to40N•m(25to30lbfft).

10. InstallanewO-ringontheflangetosealagainst theendplateofthemotor.

SteeringSystemAirRemoval

Ifthereisairinthehydrauliclinesofthesteering system,theoperationwillnotbeconstant.Rotate thesteeringwheelfromstoptostopseveraltimesto removetheairfromthesteeringsystem.Iftheair cannotberemovedfromthesteeringsystem,check

forleaksatthepowersteeringpump.Checkfora loosefittingoraleakintheintakemanifold.Ifthe O-ringortheoilsealbetweenthepowersteering motorandpumphasdamage,airwillenterthehydraulicsystem.

SteeringPressureCheck

Dothefollowingproceduretoconnecta20MPa (3000psi)gauge:

1. Removethecapofthepressurecheckfittingin thesteeringlineunderthefloorplateandnear thecenterofthecowl.SeeFigure1andFigure9.

2. Thehydraulicoilmustbeatoperatingtemperature54to66 C(130to150 F)

3. Operatethepowersteeringpumpandsteering foracompleteturn.Themaximumpressurefor eachlifttruckcoveredinthismanualis:

•J2.00-3.20XM(J40-60Z)(A416/B416) 9.40MPa(1342psi)

•E1.50-2.00XM(E25-35Z,E40ZS)(E114/ F114) 6.05MPa(864psi)

•E2.00-3.20XM(E45-65Z)(G108)and V30ZMD(D210/E210) 9.00MPa(1286psi)

•E3.50-5.50XL,E4.50XLS(E70-120Z, E100ZS)(D098/E098) 10.7MPa(1550psi)

4. Ifthepressureislessthantheminimumpressureforthelifttruck,checkthatthepowersteeringpumpisnotwornordamaged.Ifthepower steeringpumpiswornordamaged,replacethe steeringpump.Theminimumpressureforeach lifttruckis:

•J2.00-3.20XM(J40-60Z)(A416/B416) 8.70MPa(1242psi)

•E1.50-2.00XM(E25-35Z,E40ZS)(E114/ F114) 5.54MPa(792psi)

•E2.00-3.20XM(E45-65Z)(G108)and V30ZMD(D210/E210) 8.50MPa(1214psi)

•E3.50-5.50XL,E4.50XLS(E70-120Z, E100ZS)(D098/E098) 10.0MPa(1450psi)

5. Whenthepressurechecksarecomplete,return thesteeringsystemtonormaloperation.

SteeringPressureCheck1600SRM1054
12

SteeringMotorCircuitsCheck

1. Raisethedrivewheelsasdescribedinthe OperatingManual orthesection Periodic Maintenance 8000SRM1226forlifttruckmodelsJ2.00-3.20XM(J40-65Z)(B416), Periodic Maintenance 8000SRM1060forlifttruckmodelsJ2.00-3.20XM(J40-65Z)(A416),V30ZMD (D210/E210),E1.50-2.00XM(E25-35Z,E40ZS) (E114/F114),andE2.00-3.20XM(E45-65Z) (G108)orsection PeriodicMaintenance 8000 SRM1201forlifttruckmodelsE3.50-5.50XL, E4.50XLS(E70-120Z,E100ZS)(D098/E098).

NOTE: Pumpmotorwillnotstopoperatingafter steeringwheelstopsmoving.

2. Visuallyinspectthatthesteeringcontactorand maincontactorcloseatthesametime.

a. Ifsteercontactordoesnotclose.Makesure theseatswitchisworkingcorrectly.

b. Checkcontinuityofsteercontactorcoil.If steercontactorcoilisopen,replacesteercontactor.

c. Checkbatterypositiveonwire3C.Seethe section ElectricalDiagrams, ACMotorControlSystem 8000SRM1225for lifttruckmodelsJ2.00-3.20XM(J40-65Z)

(B416), ElectricalDiagrams, ACMotorControlSystem 8000SRM1059for lifttruckmodelsJ2.00-3.20XM(J40-65Z) (A416),V30ZMD(D210/E210),E1.502.00XM(E25-35Z,E40ZS)(E114/F114), andE2.00-3.20XM(E45-65Z)(G108)or section Diagrams, ACMotorControl System 8000SRM1203forlifttruckmodelsE3.50-5.50XL,E4.50XLS(E70-120Z, E100ZS)(D098/E098)formoreinformation. Also,checkcontinuityofwiringtotheMasterController.

3. Ifthesteercontactorcloses.SeethesectionControlandPowerFuseCheck,andcheckfuse4and 7.

4. RemovesteercolumncoversandlookforLED tolightwhensteercontactorisclosedandthe steeringwheelisturned.

a. IftheLEDdoesnotlight,unplugconnectorandcheckforbatteryvoltageacross wires11Dand13X.Seethesection ElectricalDiagrams, ACMotorControl System 8000SRM1225forlifttruckmodels J2.00-3.20XM(J40-65Z)(B416), ElectricalDiagrams, ACMotorControlSystem 8000SRM1059forlifttruckmodels

1600SRM1054SteeringMotorCircuitsCheck
1.POWERSTEERINGPUMP 2.INLETPORT 3.PRESSUREPORT 4.OUTLETPORT
A. TOPVIEW B. BOTTOMVIEW
Figure9.SteeringSystemPressureCheck
13

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