CASE 435 Skid Steer Loader Service Repair Manual

Page 1

REPAIRMANUAL 435 445CT 445 6-75491104/05/2005
Contents INTRODUCTION DISTRIBUTIONSYSTEMSA POWERPRODUCTIONB POWERTRAINC TRAVELLINGD BODYANDSTRUCTURE E WORKINGARMH TOOLSANDCOUPLERSJ 6-75491104/05/2005
INTRODUCTION 6-75491104/05/2005 1
Contents INTRODUCTION Basicinstructions(-A.90.A.05) 435,445,445CT 3 Torque(-A.90.A.10) 435,445 7 Consumables(-A.92.A.55) 435,445,445CT 11 Conversionfactors(-A.92.A.21) 435,445,445CT 15 6-75491104/05/2005 2

Basicinstructions(-A.90.A.05)

435,445,445CT

TechnicalInformation

Thismanualhasbeenproducedbyanewtechnicalinformationsystem.Thisnewsystemisdesignedtodeliver technicalinformationelectronicallythroughCDROMandinpapermanuals.AcodingsystemcalledICEhasbeen developedtolinkthetechnicalinformationtootherProductSupportfunctionse.g.Warranty.

Technicalinformationiswrittentosupportthemaintenanceandserviceofthefunctionsorsystemsonacustomers machine.Whenacustomerhasaconcernonhismachineitisusuallybecauseafunctionorsystemonhismachine isnotworkingatall,isnotworkingefficiently,orisnotrespondingcorrectlytohiscommands.Whenyourefertothe technicalinformationinthismanualtoresolvethatcustomersconcern,youwill findalltheinformationclassified usingthenewICEcoding,accordingtothefunctionsorsystemsonthatmachine.Onceyouhavelocatedthe technicalinformationforthatfunctionorsystemthenyouwill findallthemechanical,electricalorhydraulicdevices, components,assembliesandsub-assembliesforthatfunctionorsystem.Youwillalso findallthetypesofinformation thathavebeenwrittenforthatfunctionorsystem,thetechnicaldata(specifications),thefunctionaldata(howit works),thediagnosticdata(faultcodesandtroubleshooting)andtheservicedata(remove,installadjust,etc.).

ByintegratingthisnewICEcodingintotechnicalinformation,youwillbeabletosearchandretrievejusttheright pieceoftechnicalinformationyouneedtoresolvethatcustomersconcernonhismachine.Thisismadepossibleby attaching3categoriestoeachpieceoftechnicalinformationduringtheauthoringprocess.

The firstcategoryistheLocation,thesecondcategoryistheInformationTypeandthethirdcategoryistheProduct:

• LOCATION-isthecomponentorfunctiononthemachine,thatthepieceoftechnicalinformationisgoingto describee.g.Fueltank.

• INFORMATIONTYPE-isthepieceoftechnicalinformationthathasbeenwrittenforaparticularcomponentor functiononthemachinee.g.CapacitywouldbeatypeofTechnicalDatathatwoulddescribetheamount offuelheldbytheFueltank.

• PRODUCT-isthemodelthatthepieceoftechnicalinformationiswrittenfor.

Everypieceoftechnicalinformationwillhavethose3categoriesattachedtoit.Youwillbeabletouseany combinationofthosecategoriesto findtherightpieceoftechnicalinformationyouneedtoresolvethatcustomers concernonhismachine.

Thatinformationcouldbe:

• thedescriptionofhowtoremovethecylinderhead

• atableofspecificationsforahydraulicpump

• afaultcode

• atroubleshootingtable

• aspecialtool

HowtoUsethisManual

ThismanualisdividedintoSections.EachSectionisthendividedintoChapters.Contentspagesareincludedat thebeginningofthemanual,theninsideeverySectionandinsideeveryChapter.AnalphabeticalIndexisincluded attheendofaChapter.Pagenumberreferencesareincludedforeverypieceoftechnicalinformationlistedin theChapterContentsorChapterIndex.

EachChapterisdividedintofourInformationtypes:

• TechnicalData(specifications)forallthemechanical,electricalorhydraulicdevices,componentsand, assemblies.

• FunctionalData(howitworks)forallthemechanical,electricalorhydraulicdevices,componentsand assemblies.

• DiagnosticData(faultcodes,electricalandhydraulictroubleshooting)forallthemechanical,electricalor hydraulicdevices,componentsandassemblies.

INTRODUCTION
6-75491104/05/2005 3

INTRODUCTION

• Servicedata(removedisassembly,assemble,install)forallthemechanical,electricalorhydraulicdevices, componentsandassemblies.

Sections

Sectionsaregroupedaccordingtothemainfunctionsorasystemsonthemachine.EachSectionisidentifiedby aletterA,B,Cetc.TheamountofSectionsincludedinthemanualwilldependonthetypeandfunctionofthe machinethatthemanualiswrittenfor.EachSectionhasaContentspagelistedinalphabetic/numericorder.This tableillustrateswhichSectionscouldbeincludedinamanualforaparticularproduct.

EachChapterisidentifiedbyaletterandnumbercombinatione.g.EngineB.10.AThe firstletterisidenticaltothe Sectionletteri.e.ChapterB.10isinsideSectionB,PowerProduction.

CONTENTS

TheChapterContentslistsallthetechnicaldata(specifications),functionaldata(howitworks),servicedata (remove,installadjust,etc..)anddiagnosticdata(faultcodesandtroubleshooting)thathavebeenwritteninthat Chapterforthatfunctionorsystemonthemachine.

TheChapterIndexlistsinalphabeticalorderallthetypesofinformation(calledInformationUnits)thathavebeen writteninthatChapterforthatfunctionorsystemonthemachine.

SECTION
L-FieldProcessing PRODUCT TractorsXXXXXXXX Vehicleswithworkingarms:backhoes, excavators,skidsteers,..... XXXXXXXXX Combines,forageharvesters,balers,.... XXXXXXXXXX Seeding,planting, floating,spraying equipment,.... XXXXXXXXX Mountedequipmentandtools,.....XXXX
A-DistributionSystems B-PowerProduction C-PowerTrain D-Travelling E-BodyandStructure F-FramePositioning G-ToolPositioning H-WorkingArm J-ToolsandCouplers K-CropProcessing
Chapters
Contents POWERPRODUCTION ENGINE_10.A TECHNICALDATA ENGINE-Generalspecification(B.10.A-D.40.A.10) 3 FUNCTIONALDATA ENGINE -Dynamicdescription(B.10.A-C.30.A.10) 4 SERVICE ENGINE-Remove(B.10.A-F.10.A.10) 5 DIAGNOSTIC ENGINE-Troubleshooting(B.10.A-G.40.A.10) 6 INDEX
6-75491104/05/2005 4

InformationUnitsandInformationSearch

Eachchapteriscomposedofinformationunits.EachinformationunithastheICEcodeshowninparentheseswhich indicatesthefunctionandthetypeofinformationwritteninthatinformationunit.Eachinformationunithasapage referencewithinthatChapter.Theinformationunitsprovideaquickandeasywayto findjusttherightpieceof technicalinformationyouarelookingfor.

exampleinformationunitStackvalve-SectionalView(A.10.A.18-C.10.A.30)

InformationUnitICEcode

Navigatetothecorrectinformationunityouaresearchingforbyidentifyingthefunctionandinformationtype fromtheICEcode.

• (1) Functionand (2) Informationtype.

• (A) correspondstothesectionsoftherepairmanual.

(B) correspondstothechaptersoftherepairmanual.

(C) correspondstothetypeofinformationlistedinthechaptercontents,Technicaldata,FunctionalData, DiagnosticorService.

(A) and (B) arealsoshowninthepagenumberingonthepagefooter.

THERESTOFTHECODINGISNOTLISTEDINALPHA-NUMERICORDERINTHISMANUAL.

• Youwill findatableofcontentsatthebeginningandendofeachsectionandchapter.

Youwill findanalphabeticalindexattheendofeachchapter.

• Byreferringto (A), (B) and (C) ofthecoding,youcanfollowthecontentsorindex(pagenumbers)andquickly findtheinformationyouarelookingfor.

Index POWERPRODUCTION-B ENGINE ENGINE-Dynamicdescription(B.10.A-C.30.A.10) 4 ENGINE-Generalspecification(B.10.A-D.40.A.10) 3 ENGINE-Remove(B.10.A-F.10.A.10) 5 ENGINE-Troubleshooting(B.10.A-G.40.A.10) 6
INTRODUCTION
C 10.A.30
fication Distribution systems Primary hydraulic power Stackvalve Functional data Sectionalview CRIL03J033E01 1
A10.A18
ICEcodeclassi
6-75491104/05/2005 5

INTRODUCTION

PageHeaderandFooter

Thepageheaderwillcontainthefollowingreferences:

• SectionandChapterdescription

Thepagefooterwillcontainthefollowingreferences:

• PublicationnumberforthatManual,SectionorChapter.

• Versionreferenceforthatpublication.

• Publicationdate

• Section,chapterandpagereferencee.g.A.10.A/9

6-75491104/05/2005 6

Hydraulicpump-Flowtest(A.10.A.20-F.40.A.45)

435,445,445CT

WARNING

CSM118-Twopersonsarerequiredtoperformthe flowmetertestsforsafetytoavoidpossibleinjury.One personmustbeseatedintheoperatorsseatwiththeSeatBardownwhentheengineisrunning.The secondpersonistocontrolthe flowmeterandtakethereadings.

1.Parkthemachineonalevelsurface.Lowerthe loaderbuckettothe floor.Stoptheengine.

2.Disconnectthehosefromthepumppressureport atTestPoint1.Installapluginthehose.Connect the flowmeter inlethosetothe fittingatthepressure portofthepump.

3.Putthe flowmeteroutlethoseintothehydraulic reservoir.Usewiretofastenthe flowmeteroutlet hosebelowthesurfaceofthehydraulicoil.

4.Makesurethattheoillevelinthehydraulicreservoir iscorrect.

5.Makesurethatthepressurevalveofthe flowmeter isopenedcompletely.

6.Theoilmustbeatoperatingtemperature.Ifthe oilisnotatoperatingtemperature,runtheengine atfullthrottleandclosethepressurevalveofthe flowmeteruntilthepressuregaugeindicates103bar (1500psi).Continuetoruntheengineatfullthrottle untilthetemperatureoftheoilis52°C(125°F).Then openthepressurevalvecompletely.

7.Makesurethatthepressurevalveisopened completely.Adjusttheenginespeedto2300r/min (rpm)andreadthe flowgauge.Readthe flowand recordthereadingastestnumber1.

8.Slowlyclosethepressurevalveonthe flowmeter untilthepressuregaugeindicates97bar(1400psi). Keeptheenginerunningat2300r/min(rpm).Read the flowandrecordthereadingastestnumber2.

9.Slowlyclosethepressurevalveonthe flowmeter untilthepressuregaugeindicates124bar(1800 psi).Keeptheenginerunningat2300r/min(rpm). Readthe flowandrecordthereadingastest number3.

10.Slowlyclosethepressurevalveonthe flowmeter untilthepressuregaugeindicates152bar(2000 psi).Keeptheenginerunningat2300r/min(rpm). Readthe flowandrecordthereadingastest number4.

11.Openthepressurevalvecompletely.Decreasethe enginespeedtolowidleandstoptheengine.

NOTE: Understandingtheresultsofthetestsareoutlined inthestepsbelow.

DISTRIBUTIONSYSTEMS-PRIMARYHYDRAULICPOWERSYSTEM
104/05/2005 A.10.A/30

DISTRIBUTIONSYSTEMS-PRIMARYHYDRAULICPOWERSYSTEM

12.Iftheoutputatminimumpressurewaslessthan thespecificationforGearPumpFlowtoLoader (MachineinNeutral)referto HydraulicpumpGeneralspecification(A.10.A.20-D.40.A.10),the problemcanbearestrictionbetweenthereservoir andthegearpump,ortheproblemcanbeabadly wornordamagedgearpump.

13.Iftheoutputatminimumpressurewasmorethan thespecificationreferto Hydraulicpump-General specification(A.10.A.20-D.40.A.10),thereareno problemsbetweenthereservoirandthegearpump. However,thegearpumpcanbewornordamaged andstillhavegood flowatminimumpressure.

14.Lossofoutputat152bar(2200psi)indicatesthat thegearpumpiswornordamaged.Todetermine theefficiencyofthegearpump,dividethe flow indicationfromtestnumber4bythe flowindication fromtestnumber1.Thisanswermultipliedby100 isthepercentefficiencyofthegearpump.Ifthe efficiencyofthegearpumpislessthan75%,repair orreplacethegearpump.Iftheefficiencyofthe gearpumpismorethan75%,thepumpisgood.

104/05/2005 A.10.A/31

DISTRIBUTIONSYSTEMS-PRIMARYHYDRAULICPOWERSYSTEM

Hydraulicpump-Remove(A.10.A.20-F.10.A.10)

435,445,445CT

1.Loosenandremovethemountingboltsandwashers forthe floorplateandthecover.Removethe floor plateandthecovertogainaccesstothehydraulic pump.

2.Placeashoptowelunderthegearpump.

3.Removethecapfromthehydraulicreservoir. CAS1871

4.Connectavacuumpumptothehydraulicreservoir. CAS10192

5. Reservoir-Applyvacuum(A.10.A.22-F.35.A.50) Startthevacuumpump.

6.Taganddisconnectthehosefromthe fittingatthe suctionportofthegearpump.

7.Installapluginthehoseandacaponthe fitting.

8.Taganddisconnectthehosefromthe fittingatthe pressureportofthegearpump.

9.Installapluginthehoseandacaponthe fitting.

10.Stopthevacuumpump.

BD04C141x 1 BD04C141x 2
104/05/2005 A.10.A/32

DISTRIBUTIONSYSTEMS-PRIMARYHYDRAULICPOWERSYSTEM

11.Loosenandremovethepumpmountingboltsand washers. BD04C141x

12.Removethegearpumpfromthehydrostaticpump mountinglocation.

3
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DISTRIBUTIONSYSTEMS-PRIMARYHYDRAULICPOWERSYSTEM

Hydraulicpump-Disassemble(A.10.A.20-F.10.A.25)

435,445,445CT

1.Drawalignmentmarksonthehousingwithawhite marker.Thesemarkswillbereferencedduring assembly.
1
GD98J801 2.Loosenandremovethesocketboltsandwashers.
2
GD98J802 3.Removethecover.
3 104/05/2005 A.10.A/34
GD98J803

DISTRIBUTIONSYSTEMS-PRIMARYHYDRAULICPOWERSYSTEM

4.Removethegearplate.

5.Removethedowelpins.

6.Rotatethegearteethuntilonegeartoothis centered insidetwogearteeth.Drawamarkwitha whitemarker.Thismarkwillbereferencedduring assembly.

GD98J804 4 GD98J805_2 5
104/05/2005 A.10.A/35
GD98J806 6

DISTRIBUTIONSYSTEMS-PRIMARYHYDRAULICPOWERSYSTEM

7.Removethedriveshaft.

GD98J807 7 8.Removetheidlershaft. GD98J808
8
9.Removethewearplatefromthecover.
9 104/05/2005 A.10.A/36
GD98J809

DISTRIBUTIONSYSTEMS-PRIMARYHYDRAULICPOWERSYSTEM

10.Removethewearplatefromthebody.

11.Removeanddiscardthesealringfromthecover.

12.Removeanddiscardthesealringfromthebody.

10
GD98J810
11
GD98J811_2
12 104/05/2005 A.10.A/37
GD98J812_2

DISTRIBUTIONSYSTEMS-PRIMARYHYDRAULICPOWERSYSTEM

13.Removeanddiscardthetopsealfromthebody.

14.Removeanddiscardthebottomsealfromthebody.

13
GD98J813
14 104/05/2005 A.10.A/38
GD98J814

DISTRIBUTIONSYSTEMS-PRIMARYHYDRAULICPOWERSYSTEM

Hydraulicpump-Visualinspection(A.10.A.20-F.40.A.10)

435,445,445CT

1.Inspectthebrasssurfacesofthewearplates. GD98J815 1 2.Inspectthedriveandidlershaftsfordamage. GD98J816 2 3.Inspectthebearingsleevesofthedriveandidler shaftsinthebodyandcover.
3 104/05/2005 A.10.A/39
GD98J817_2

DISTRIBUTIONSYSTEMS-PRIMARYHYDRAULICPOWERSYSTEM

4.Inspectthebodyandcoversurfaces.

104/05/2005 A.10.A/40
GD98J818_2 4

DISTRIBUTIONSYSTEMS-PRIMARYHYDRAULICPOWERSYSTEM

Hydraulicpump-Assemble(A.10.A.20-F.10.A.20)

435,445,445CT

1.Lubricateandinsertthebottomsealintothegroove ofthebody.

2.Lubricateandinsertthetopsealintothegrooveof thebody.

NOTE: Thetopsealwillbeplacedontopofthebottom seal.

3.Lubricateandinsertanewsealringintothegroove ofthebody.

GD98J814
1
GD98J813 2
104/05/2005 A.10.A/41
GD98J812_2
3

DISTRIBUTIONSYSTEMS-PRIMARYHYDRAULICPOWERSYSTEM

4.Lubricateandinsertanewsealringintothegroove ofthecover. GD98J811_2 4 5.Placethewearplateontopofthenewsealsonthe body. GD98J810 5 6.Placethe wearplateontopofthenewsealonthe cover.
104/05/2005 A.10.A/42
GD98J809 6

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NOTE:

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DISTRIBUTIONSYSTEMS-PRIMARYHYDRAULICPOWERSYSTEM

7.Inserttheidlershaftthroughthewearplate,and intothehousing.

8.Insertthedriveshaftthroughthewearplate,and intothehousing.

9.Duringthegearpumpdisassembly,thegearteeth werealignedandthenmarked.Pleasereferto Hydraulicpump-Disassemble(A.10.A.20F.10.A.25).Ensurethatthemeshedteethmarks, onthedriveshaftandtheidlershaft,areproperly aligned.

GD98J808 7 GD98J807 8
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GD98J806 9

DISTRIBUTIONSYSTEMS-PRIMARYHYDRAULICPOWERSYSTEM

10.Inserttheguidedowelsintothehousing.

12.Duringthegearpumpdisassembly,alignment markswereplacedonthehousingforthebody andcover.Pleasereferto HydraulicpumpDisassemble(A.10.A.20-F.10.A.25).Alignand placethe coverontopofthebody

10
GD98J805_2 11.Alignandslidethegearplatedowntheshaftsand guidedowelsuntilitissnugagainstthebody.
11
GD98J804
12 104/05/2005 A.10.A/44
GD98J803

DISTRIBUTIONSYSTEMS-PRIMARYHYDRAULICPOWERSYSTEM

13.Securethecoverontopofthebodywithwashers andsocketbolts.Tightenthesocketbolts.Donot overtighten.

GD98J802 13 104/05/2005 A.10.A/45

DISTRIBUTIONSYSTEMS-PRIMARYHYDRAULICPOWERSYSTEM

Hydraulicpump-Install(A.10.A.20-F.10.A.15)

435,445,445CT

Prioroperation: Beforepumpinstallation,applyMolykoteG-4700(P/N86983138)tothepumpandthecoupling splines.Pre-fillthepumpwithcleanhydraulicoil.InspectO-ringonthepumppilotandreplaceifnecessary. LubricatetheO-ringwithcleanhydraulicoil.

1.Holdthepumpinthemountinglocation.Rotate thegearpumpshaftuntilitalignswiththecoupling splinesattherearofthehydrostaticpump.Afterthe splinesarealigned,movethepumpinwarduntilthe mounting flangeis flushwiththemountingsurface ofthehydrostaticpump.

2.ApplyLoctite243tothepumpmountingbolts.Install washersontheboltsandinstalltheboltsintothe pumpmounting flange.Tightenthemountingbolts.

3. Reservoir-Applyvacuum(A.10.A.22-F.35.A.50) Startthevacuumpump.

4.Removethecapfromthe fittingandtheplugfrom thepressurehose.

5.Connectthehosetothepressureport fittingofthe pumpandtightenthe fitting.

6.Remove thecapfromthe fittingandtheplugfrom thesuctionhose.

7.Connectthehosetothesuctionport fittingofthe pumpandtightenthehoseclamp.

8.Stopthevacuumpump.Disconnectthevacuum pumpfromthehydraulicreservoirandinstallthe reservoircaponthereservoir fillerneck.

BD04C141x 1
104/05/2005 A.10.A/46

DISTRIBUTIONSYSTEMS-PRIMARYHYDRAULICPOWERSYSTEM

9.Loosentheclamponthesuctionhose fittingatthe hydraulicpumpuntilhydraulicoilbeginsto flowfrom aroundthe fitting.Retightentheclamp.

10.Cleanupanyhydraulicoilfromtheequipmentand floor.

11.Disconnect thefuelshutoffsolenoidconnector. (Photoisforreferenceonly.)

12.Turntheengineoverfor30secondstoallow hydraulicoilfromthereservoirto flowintothe hydraulicpump.Reconnectthefuelshutoffsolenoid connector.

13.Startandruntheengineatlowidlefor2to5minutes andcheckforanyleaks.

14.Stoptheengine.

15.Checkthehydraulicoillevelinthereservoirand addhydraulicoilasrequired. Reservoir-Filling (A.10.A.22-F.60.A.10)

2
BD04C141x
bd04c019 3
BD04C142 4 104/05/2005 A.10.A/47

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