Case CRAWLER DOZER 650L TIER3 User manual

SERVICE MANUAL
CRAWLER DOZER 650L TIER3
North American English
Part Number 84276960
Printed in U.S.A. • Rac
© 2009 CNH America LLC. All Rights Reserved.
Case is a registered trademark of CNH America
Replaces 84260831
Issued October 2009
84276960
CNH AMERICA LLC
700 STATE STREET
RACINE, WI 53404 U.S.A.

Contents
INTRODUCTION
DISTRIBUTIONSYSTEMS.............................................................A
PRIMARYHYDRAULICPOWERSYSTEM...............................................A.10.A
SECONDARYHYDRAULICPOWERSYSTEM...........................................A.12.A
ELECTRICALPOWERSYSTEM.........................................................A.30.A
LIGHTINGSYSTEM.......................................................................A.40.A
FAULTCODES............................................................................A.50.A
POWERPRODUCTION.................................................................B
ENGINE...................................................................................B.10.A
FUELANDINJECTIONSYSTEM.........................................................B.20.A
AIRINTAKESYSTEM.....................................................................B.30.A
LUBRICATIONSYSTEM..................................................................B.60.A
POWERTRAIN.............................................................................C
TRANSMISSIONHydrostatic..............................................................C.20.F
TRAVELLING................................................................................D
Finaldrive.................................................................................D.15.A
SERVICEBRAKEHydraulic..............................................................D.30.C
WHEELSANDTRACKSTracks..........................................................D.50.B
BODYANDSTRUCTURE..............................................................E
USERCONTROLSANDSEAT...........................................................E.32.A
USERCONTROLSANDSEATOperatorseat............................................E.32.C
USERPLATFORM........................................................................E.34.A
ENVIRONMENTCONTROLHeatingsystem.............................................E.40.B
ENVIRONMENTCONTROLAir-conditioningsystem.....................................E.40.C
ENVIRONMENTCONTROLHeating,ventilationandair-conditioning....................E.40.D
SAFETYSECURITYACCESSORIESSafety.............................................E.50.B
TOOLPOSITIONING....................................................................G
LIFTING..................................................................................G.10.A
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TILTING..................................................................................G.20.A
SWINGING...............................................................................G.40.A
TOOLSANDCOUPLERS...............................................................J
DIGGINGNon-articulateddiggingtools...................................................J.20.B
LANDSCAPINGDozerblade..............................................................J.40.F
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INTRODUCTION
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Contents
INTRODUCTION
Basicinstructions...............................................................................3
Torque..........................................................................................7
Generalspecication.........................................................................10
Conversionfactors............................................................................14
Hydrauliccontamination......................................................................16
ConsumablesLoctite®ProductChart........................................................17
Capacities.....................................................................................23
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INTRODUCTION
Basicinstructions
TechnicalInformation
Thismanualhasbeenproducedbyanewtechnicalinformationsystem.Thisnewsystemisdesignedtodeliver
technicalinformationelectronicallythroughCDROMandinpapermanuals.AcodingsystemcalledICEhasbeen
developedtolinkthetechnicalinformationtootherProductSupportfunctionse.g.Warranty.
Technicalinformationiswrittentosupportthemaintenanceandserviceofthefunctionsorsystemsonacustomers
machine.Whenacustomerhasaconcernonhismachineitisusuallybecauseafunctionorsystemonhismachine
isnotworkingatall,isnotworkingefciently,orisnotrespondingcorrectlytohiscommands.Whenyourefertothe
technicalinformationinthismanualtoresolvethatcustomersconcern,youwillndalltheinformationclassiedusing
thenewICEcoding,accordingtothefunctionsorsystemsonthatmachine.Onceyouhavelocatedthetechnical
informationforthatfunctionorsystemthenyouwillndallthemechanical,electricalorhydraulicdevices,compo-
nents,assembliesandsub-assembliesforthatfunctionorsystem.Youwillalsondallthetypesofinformationthat
havebeenwrittenforthatfunctionorsystem,thetechnicaldata(specications),thefunctionaldata(howitworks),
thediagnosticdata(faultcodesandtroubleshooting)andtheservicedata(remove,installadjust,etc.).
ByintegratingthisnewICEcodingintotechnicalinformation,youwillbeabletosearchandretrievejusttheright
pieceoftechnicalinformationyouneedtoresolvethatcustomersconcernonhismachine.Thisismadepossibleby
attaching3categoriestoeachpieceoftechnicalinformationduringtheauthoringprocess.
TherstcategoryistheLocation,thesecondcategoryistheInformationTypeandthethirdcategoryistheProduct:
•LOCATION-isthecomponentorfunctiononthemachine,thatthepieceoftechnicalinformationisgoingto
describee.g.Fueltank.
•INFORMATIONTYPE-isthepieceoftechnicalinformationthathasbeenwrittenforaparticularcomponentor
functiononthemachinee.g.CapacitywouldbeatypeofTechnicalDatathatwoulddescribetheamountoffuel
heldbytheFueltank.
•PRODUCT-isthemodelthatthepieceoftechnicalinformationiswrittenfor.
Everypieceoftechnicalinformationwillhavethose3categoriesattachedtoit.Youwillbeabletouseanycombination
ofthosecategoriestondtherightpieceoftechnicalinformationyouneedtoresolvethatcustomersconcernonhis
machine.
Thatinformationcouldbe:
•thedescriptionofhowtoremovethecylinderhead
•atableofspecicationsforahydraulicpump
•afaultcode
•atroubleshootingtable
•aspecialtool
HowtoUsethisManual
ThismanualisdividedintoSections.EachSectionisthendividedintoChapters.Contentspagesareincludedatthe
beginningofthemanual,theninsideeverySectionandinsideeveryChapter.AnalphabeticalIndexisincludedatthe
endofaChapter.PagenumberreferencesareincludedforeverypieceoftechnicalinformationlistedintheChapter
ContentsorChapterIndex.
EachChapterisdividedintofourInformationtypes:
•(D)T echnicalData(specications)forallthemechanical,electricalorhydraulicdevices,componentsand,assem-
blies.
•(C)FunctionalData(howitworks)forallthemechanical,electricalorhydraulicdevices,componentsandassem-
blies.
•(G)DiagnosticData(faultcodes,electricalandhydraulictroubleshooting)forallthemechanical,electricalorhy-
draulicdevices,componentsandassemblies.
•(F)Servicedata(removedisassembly,assemble,install)forallthemechanical,electricalorhydraulicdevices,
componentsandassemblies.
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INTRODUCTION
Sections
Sectionsaregroupedaccordingtothemainfunctionsorasystemsonthemachine.EachSectionisidentiedby
aletterA,B,Cetc.TheamountofSectionsincludedinthemanualwilldependonthetypeandfunctionofthe
machinethatthemanualiswrittenfor.EachSectionhasaContentspagelistedinalphabetic/numericorder.This
tableillustrateswhichSectionscouldbeincludedinamanualforaparticularproduct.
SECTION
A-DistributionSystems
B-PowerProduction
C-PowerTrain
D-Travelling
E-BodyandStructure
F-FramePositioning
G-ToolPositioning
H-WorkingArm
J-T oolsandCouplers
K-CropProcessing
L-FieldProcessing
PRODUCT
TractorsXXXXXXXX
Vehicleswithworkingarms:backhoes,
excavators,skidsteers,.....
XXXXXXXXX
Combines,forageharvesters,balers,....XXXXXXXXXX
Seeding,planting,oating,spraying
equipment,....
XXXXXXXXX
Mountedequipmentandtools,.....XXXX
Chapters
EachChapterisidentiedbyaletterandnumbercombinatione.g.EngineB.10.ATherstletterisidenticaltothe
Sectionletteri.e.ChapterB.10isinsideSectionB,PowerProduction.
CONTENTS
TheChapterContentslistsallthe(D)technicaldata(specications),(C)functionaldata(howitworks),(F)service
data(remove,installadjust,etc.)and(G)diagnosticdata(faultcodesandtroubleshooting)thathavebeenwrittenin
thatChapterforthatfunctionorsystemonthemachine.
Contents
POWERPRODUCTION
ENGINE_10.A
TECHNICALDATA
ENGINE-Generalspecication(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
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INTRODUCTION
INDEX
TheChapterIndexlistsinalphabeticalorderallthetypesofinformation(calledInformationUnits)thathavebeen
writteninthatChapterforthatfunctionorsystemonthemachine.
Index
POWERPRODUCTION-B
ENGINE
ENGINE-Dynamicdescription(B.10.A-C.30.A.10)4
ENGINE-Generalspecication(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
InformationUnitsandInformationSearch
Eachchapteriscomposedofinformationunits.EachinformationunithastheICEcodeshowninparentheseswhich
indicatesthefunctionandthetypeofinformationwritteninthatinformationunit.Eachinformationunithasapageref-
erencewithinthatChapter.Theinformationunitsprovideaquickandeasywaytondjusttherightpieceoftechnical
informationyouarelookingfor.
exampleinformationunitStackvalve-SectionalView(A.10.A.18-C.10.A.30)
InformationUnitICEcodeA10.A18C10.A.30
ICEcodeclassicationDistribution
systems
Primary
hydraulic
power
StackvalveFunctional
data
Sectionalview
CRIL03J033E011
Navigatetothecorrectinformationunityouaresearchingforbyidentifyingthefunctionandinformationtype
fromtheICEcode.
•(1)Functionand(2)Informationtype.
•(A)correspondstothesectionsoftherepairmanual.
(B)correspondstothechaptersoftherepairmanual.
(C)correspondstothetypeofinformationlistedinthechaptercontents,(D),T echnicaldata,(C),FunctionalData,
(G),Diagnostic,and(F),Service.
(A)and(B)arealsoshowninthepagenumberingonthepagefooter.
THERESTOFTHECODINGISNOTLISTEDINALPHA-NUMERICORDERINTHISMANUAL.
•Youwillndatableofcontentsatthebeginningandendofeachsectionandchapter.
Youwillndanalphabeticalindexattheendofeachchapter.
•Byreferringto(A),(B)and(C)ofthecoding,youcanfollowthecontentsorindex(pagenumbers)andquickly
ndtheinformationyouarelookingfor.
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INTRODUCTION
PageHeaderandFooter
Thepageheaderwillcontainthefollowingreferences:
•SectionandChapterdescription
Thepagefooterwillcontainthefollowingreferences:
•PublicationnumberforthatManual,SectionorChapter.
•Versionreferenceforthatpublication.
•Publicationdate
•Section,chapterandpagereferencee.g.A.10.A/9
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INTRODUCTION
Torque
Ripper
ComponentTorque
Rippermountingbolts700-1260Nm(515-925lbft)
Ripperpinretainingandtubecoverbolts145-260Nm(110-190lbft)
HydraulicPump
ComponentTorque
NonPTOpump
Coverbolts66-80Nm(50-60lbft)
PTOtypepump
Airvent9Nm(80lbin)
Pumphousingbolts271Nm(200lbft)
PTOshaftretainer68Nm(50lbft)
SetscrewPTOshaftretainer9Nm(80lbin)
Shaftcoverscrews8-9Nm(65-75lbin)
EquipmentValve
ComponentTorque
Boltsandnutsthatfastenthesectionstogether39-47Nm(29-35lbft)
Reliefvalvesandloadcheckvalves24-30Nm(18-22lbft)
Allenheadscrews12-15Nm(106-133lbin)
Centeringspringscrew13-16Nm(115-142lbin)
FuseandRelayBlocks
ComponentTorque
Fuseblockmounting2.7Nm(24lbin)
Bussedstuds8.5Nm(75lbin)
PowerRelays
ComponentTorque
Outputstuds5.4Nm(48lbin)
Inputstuds16.3Nm(144lbin)
EngineMounts
ComponentTorque
Enginemountboltstochassis205-230Nm(151-170lbft)
Rearenginemountbracketstobellhousing118-133Nm(87-98lbft)
Frontenginemountbrackettoengineblock125-156Nm(92-115lbft)
Startermountingbolts68-77Nm(50-57lbft)
ComponentTorque
Hoseclamps11-12Nm(97-106lbin)
Lowermountingbolts68-82Nm(50-60lbft)
EnginetoPumpsDriveShaft
ComponentTorque
Flywheelmountbolts285-305Nm(210-225lbft)
PumpsandMotors
ComponentTorque
Pumpmountboltstoframe68-81Nm(50-60lbft).
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INTRODUCTION
ComponentTorque
Motormountboltstonaldrives122-135.6Nm(90-100lbft)
Pumptomotorhosesspitangeclamps90-100Nm(66-74lbft).
Inlethoseclamps6.5-7.6Nm(58-68lbin).
RearFrameCover
ComponentTorque
M20hexbolts495-620Nm(357-460lbft).
M12hexbolts99-128Nm(73-94lbft).
Brakes
ComponentNm
Cartridgevalve27-34Nm(20-25lbft)
Coilretainingnut5-6Nm(44-53lbin)
Coverretainingboltsonnaldrives195-250Nm145-185lbft
Mountingtoboltstotrackrail386-434Nm(285-320lbft)
Track
ComponentTorque
Masterlinkbolts(UseLOCTITE242onmasterlinkbolts.)305-335Nm(225-247lbft)
Standardlinkshoebolts257-312Nm(190-230lbft)
Track
ComponentTorque
Masterlinkbolts(UseLOCTITE242onmasterlinkbolts.)430-470Nm(320-345lbft)
Standardlinkshoebolts406-447Nm(300-330lbft)
FinalDrives
ComponentTorque
RollingTorque0-5.4Nm(0.0-47.8lbin)
InputShaftBearingRetainerPlateMountingBolts77-100Nm(57-74lbft)
SandwichHousingBolts195-250Nm(145-185lbft)
BrakeHousingCover-24mmHexHead195-250Nm(145-185lbft)
GaugeFlangeT oWheelHubBearingPlate77-100Nm(57-74lbft)
PlanetaryGearRetainingBolts118-133Nm(87-98lbft)
PlanetaryAssemblytoHubRetainerPlateFitting118-133Nm(87-98lbft)
HubAssemblytoGearBox195-250Nm(145-185lbft)
BrakeLineFitting55-60Nm(40-44lbft)
FillCheckPlug43-47Nm(32-35lbft)
DrainPlug90-99Nm(66-73lbft)
FinalDriveToCenterBoxMountingBolts195-250Nm(145-185lbft)
RearCoverPlate-30mmHexHead430-485Nm(315-355lbft)
18mmHexHead77-100Nm(57-74lbft)
16mmHexHead50-65Nm(37-48lbft)
FinalDrivetoFrameMountingBolts1160-1300Nm(856-959lbft)
CabFrameSupportBracketMountingBolts1160-1300Nm(856-959lbft)
CabFrameSupportBracketMountingBoltstoCab
Frame
280-320Nm(207-236lbft)
CabMounting(750/850)
ComponentTorque
Supportmountbolts550-624Nm(405-460lbft)
Brushguardmountbolts(ifequipped)405-730Nm(300-535lbft)
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INTRODUCTION
AirConditioningCompressor
ComponentTorque
Compressorrotorshaftnut15-20Nm(11-15lbft)
Oilllerplug15-24Nm(11-18lbft)
Dustcoverscrews7-11Nm(5-8lbft)
LiftCylinder
ComponentTorque
Pistonbolt810-925Nm(597-682lbft)
Gland135-542Nm(100-400lbft)
TiltCylinder
ComponentTorque
Pistonbolt810-925Nm(597-682lbft)
Gland135-542Nm(100-400lbft)
AngleCylinder
ComponentTorque
Pistonbolt810-925Nm(597-682lbft)
Gland135-542Nm(100-400lbft)
RipperCylinder
ComponentTorque
Pistonbolt810-925Nm(597-682lbft)
Gland135-542Nm(100-400lbft)
Starter
ComponentTorque
Mountingbolts68-77Nm(50-57lbft)
Batteryterminalnut17.7-24.5Nm(13-18lbft)
Solenoid+screw2.6-4.5Nm(23-40lbin)
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INTRODUCTION
Generalspecication
BOLTTORQUEINFORMATION
DECIMALHARDWARE
1.Fastenersshouldbereplacedwiththesameorhighergrade.Ifhighergradefastenersareused,theseshould
onlybetightenedtothestrengthoftheoriginal.
2.Makesurethefastenersthreadsarecleanandthatthreadengagementisstarted.Thiswillpreventthemfrom
failingwhenbeingtightened.
3.Tightenplasticinsertorcrimpedsteel-typelocknutstoapproximately50%ofthedrytorque,appliedtothenut,
nottothebolthead.Tightentoothedorserrated-typelocknutstothefulltorquevalue.
4.TheL9(Alloy)fastenerstorquevaluesareforabolt,nut,andtwowashers.
WhenusingL9(Alloy)fasteners,donotusethevaluesinthistablefortappedholes.
GRADE
1or255.15.288.2L9(Alloy)
SAEMarkings
forBoltsand
CapScrews
258L9(Alloy)
SAEMarkings
forHexNuts
GRADE2*GRADE5,5.1or5.2GRADE8or8.2GRADEL9(Alloy)
Dry**Lubricated
**
Dry**Lubricated
**
Dry**Lubricated
**
HeadNut
SIZENmlb/ftNmlb/ftNmlb/ftNmlb/ftNmlb/ftNmlb/ftNmlb/ftNmlb/ft
1/4
UNF
7.55.55.74.210.888.56.316.31212.2913.61014.911
1/4
UNC
8.56.36.44.713.6109.87.2191413.61016.31217.613
5/16
UNF
1511118231718133324241826192821
5/16
UNC
1612129261919143727272027203123
3/8
UNF
27202015413031236145473541304533
3/8
UNC
31232317473534256850473547355238
7/16
UNF
43323324685047359570685075558160
7/16
UNC
493637277555544010880816081608865
1/2
UNF
68504735102757555149110108801158512995
1/2
UNC
755554401158588651631201229012995142105
9/16
UNF
9570755514911010880203150149110163120190140
9/16
UNC
10880816016312012290231170176130183135203150
5/8
UNF
13610010275203150149110285210217160231170251185
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INTRODUCTION
GRADE2*GRADE5,5.1or5.2GRADE8or8.2GRADEL9(Alloy)
Dry**Lubricated
**
Dry**Lubricated
**
Dry**Lubricated
**
HeadNut
SIZENmlb/ftNmlb/ftNmlb/ftNmlb/ftNmlb/ftNmlb/ftNmlb/ftNmlb/ft
5/8
UNC
14911011585231170176130325240244180258190278205
3/4
UNF
237175176130353260271200515380380280359265393290
3/4
UNC
271200190140407300298220570420420310447330481355
7/8
UNF
231170170125583430434320814600610450644475685505
7/8
UNC
244180190140637470475350909670678500705520793585
1
UNF
33925025819086864065148012349109226807465501051775
1
UNC
3802802852109767207325401383102010317609497001220900
1-1/8
UNF
47535036627010717908005901749129013159701390102515591150
1-1/8
UNC
542400407300120789090967019531440146410801559115017971325
1-1/4
UNF
67850051538015191120113984024681820184413601898140021701600
1-1/4
UNC
74655057042016811240126193027262010204815102170160023731750
1-1/2
UNF
1180870881650264419501980146042853160321423703932290044073250
1-1/2
UNC
1329980990730298322002224164048273560362126704475330049493650
IMPORTANT:DONOTusethesevaluesifadifferenttorquevalueortighteningprocedureisgivenforaspecic
application.Torquevalueslistedareforgeneraluseonly.Checktightnessoffastenersperiodically.Shearboltsare
designedtofailunderpredeterminedloads.Alwaysreplaceshearboltswithidenticalgrade.
NOTES
•*-Grade2appliesforhexcaps(nothexbolts)upto152mm(6in)long.Grade1appliesforhexcapscrews
over152mm(6in)long,andforallothertypesofboltsandscrewsofanylength.
•**-"Lubricated"meanscoatedwithalubricantsuchasengineoil,orfasterswithphosphateandoilcoatings."Dry"
meansplaindorzincplatedwithoutanylubriation.
TORQUESPECIFICATIONS-METRICHARDWARE
GRADE8.8Bolts,NutsandStudsGRADE10.9Bolts,NutsandStuds
DryDry
SIZENmlb/inlb/ftNmlb/inlb/ft
M43to431to355to644to49
M55to649to558to971to79
M610to1184to9414to15120to136
M823to26229to27733to37293to329
M1046to51408to46065to7448to54
M1280to9059to66114to12885to94
M14128to14594to106183to205136to153
M16200to220149to161285to320208to235
M20400to450293to330555to620406to460
M24690to780510to575955to1075705to790
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INTRODUCTION
GRADE8.8Bolts,NutsandStudsGRADE10.9Bolts,NutsandStuds
DryDry
SIZENmlb/inlb/ftNmlb/inlb/ft
M301375to15451010to11401900to21401400to1580
M362400to27001770to19903315to37302445to2750
Usetheabovetorqueswhenspecicationsarenotgiven.
Thesevaluesapplytofastenerswithbothcoarseandnethreadsasreceivedfromsupplier,platedorunplated,
orwhenlubricatedwithengineoil.ThesevaluesdonotapplyifgraphiteorMolydisuldegreaseoroilisused.
Useofaclicktypetorquewrench,orbetterisrequired.
Grade12.9Bolts,Nuts,andStuds
Usuallytorquevaluesspeciedtograde10.9fastenerscanbeusedsatisfactorilyongrade12.9fasteners.
•TORQUESPECIFICATIONS-STEELHYDRAULICFITTINGS
37DegreeFlareFitting
Nom.SAE
DashSize
TubeOD/HoseIDThreadSizeNewton
metres
lb/inlb/ft
-25/16-248to972to84
-33/8-2411to1296to108
-46.4mm1/4inch7/16-2014to16120to144
-57.9mm5/16inch1/2-2018to21156to192
-69.5mm3/8inch9/16-1827to33240to300
-812.7mm1/2inch3/4-1646-56408to504
-1015.9mm5/8inch7/8-1477to85684to756
-1219.0mm3/4inch1-1/16-12107to11979to88
-1422.2mm7/8inch1-3/16-12127to14094to103
-1625.4mm1.0inch1-5/16-12131to15697to117
-2031.8mm1-1/4inch1-5/8-12197to223145to165
-2438.1mm1-1/2inch1-7/8-12312to338230to250
StraightThreadwithO-ring
Nom.SAE
DashSize
TubeOD/HoseIDThreadSizeNewton
metres
lb/inlb/ft
-25/16-248to972to84
-33/8-2411to1296to108
-46.4mm1/4inch7/16-2020to25180to228
-57.9mm5/16inch1/2-2027to33240to300
-69.5mm3/8inch9/16-1843to54384to480
-812.7mm1/2inch3/4-1673to90648to804
-1015.9mm5/8inch7/8-14100to12474to92
-1219.0mm3/4inch1-1/16-12138to173102to128
-1422.2mm7/8inch1-3/16-12173to216128to160
-1625.4mm1.0inch1-5/16-12203to253150to187
-2031.8mm1-1/4inch1-5/8-12308to357227to264
-2438.1mm1-1/2inch1-7/8-12492to542363to400
SplitFlangeMountingBolts
SizeNewtonmetreslb/inlb/ft
5/16-1820to27180to240
3/8-1627to34240to300
7/16-1447to61420to540
1/2-1374to8855to65
5/8-11190to203140to150
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INTRODUCTION
O-RingFaceSealEnd
Nom.SAE
DashSize
TubeODThreadSizeNewton
metres
lb/inlb/ft
-46.4mm1/4inch9/16-1823to26204to228
-69.5mm3/8inch11/16-1634to40300to348
-812.7mm1/2inch13/16-1652to57456to504
-1015.9mm5/8inch1-1481to90720to792
-1219.0mm3/4inch1-3/16-12117to12886to94
-1625.4mm1.0inch1-7/16-12152to174112to128
-2031.8mm1-1/4inch1-11/16-12179to201132to148
-2438.1mm1-1/2inch2-12213to235157to173
O-RingBossEndFittingorLockNut
Nom.SAEDash
Size
ThreadSizeNewtonmetreslb/inlb/ft
-69/16-1848to54432to480
-83/4-1670to78612to684
-107/8-14102to11475to84
-121-1/16-12142to160105to117
-161-5/16-12237to254175to187
PipeFitting
Nom.SAEDashSizeThreadSizeTFFT(TurnsForFingerTight)
-21/8-272.0-3.0
-31/8-272.0-3.0
-41/8-272.0-3.0
-51/8-272.0-3.0
-61/4-181.5-3.0
-83/8-182.0-3.0
-101/2-142.0-3.0
-123/4-142.0-3.0
-143/4-142.0-3.0
-161-11-1/21.5-2.5
-201-1/4-11-1/21.5-2.5
-241-1/2-11-1/21.5-2.5
-322-11-1/21.5-2.5
NOTE:Applysealant/lubricanttomalepipethreads.Thersttwothreadsshouldbeleftuncoveredtoavoid
systemcontamination.Screwpipettingintofemalepipeporttothengertightposition.Wrenchtightenttingto
theappropriateturnsfromngertight(TFFT)shownintableabove,makingsurethetubeendofanelbowortee
ttingisalignedtoreceiveincomingtubeorhosetting.
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INTRODUCTION
Conversionfactors
MetrictoU.S.
MULTIPLYBYTOOBTAIN
AREA:squaremeter
hectare
10.76391
2.47105
squarefoot
acre
FORCE:newton
newton
3.596942
2.224809
ounceforce
poundforce
LENGTH:millimeter
meter
kilometer
0.039370
3.280840
0.621371
inch
foot
mile
MASS:kilogram2.204622pound
MASS/AREA:kilogram/hectare0.000466ton/acre
MASS/ENERGY:gr/kW/hr.0.001644lbs/hp/hr.
MASS/VOLUME:kg/cubicmeter1.685555lb/cubicyd.
POWER:kilowatt1.34102horsepower
PRESSURE:kilopascal
bar
0.145038
14.50385
lb/sq.inch
lb/sq.inch
TEMPERATURE:degreeC1.8xC+32degreeF
TORQUE:newtonmeter
newtonmeter
8.850748
0.737562
lb/inch
lb/foot
VELOCITY:kilometer/hr.0.621371miles/hr.
VOLUME:cubiccentimeter
cubicmeter
cubicmeter
milliliter
litre
litre
litre
litre
0.061024
35.31466
1.307950
0.033814
1.056814
0.879877
0.264172
0.219969
cubicinch
cubicfoot
cubicyd.
ounce(USuid)
quart(USliquid)
quart(Imperial)
gallon(USliquid)
gallon(Imperial)
VOLUME/TIME:litre/min.
litre/min.
0.264172
0.219969
gallon/min.(USliquid)
gallon/min.(Imperial)
U.S.toMetric
MULTIPLYBYTOOBTAIN
AREA:squarefoot
acre
0.092903
0.404686
squaremeter
hectare
FORCE:ounceforce
poundforce
0.278014
4.448222
newton
newton
LENGTH:inch
foot
mile
25.4*
0.3048*
1.609344*
millimeter
meter
kilometer
MASS:pound
ounce
0.453592
28.35
kilogram
gram
MASS/AREA:ton/acre2241702kilogram/hectare
MASS/ENERGY:lb/hp/hr608.2774gr/kW/hr
MASS/VOLUME:lb/cubicyd.0.593276kg/cubicmeter
POWER:horsepower0.745700kilowatt
PRESSURE:lbs/sq.in
lbs/sq.in
lbs/sq.in
6.894757
0.069
0.070303
kilopascal
bar
kg/sq.cm
TEMPERATURE:degreeF1.8F-32degreeC
TORQUE:pound/inch
pound/foot
0.112985
1.355818
newtonmeter
newtonmeter
VELOCITY:miles/hr.1.609344*kilometer/hr.
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INTRODUCTION
U.S.toMetric
MULTIPLYBYTOOBTAIN
VOLUME:cubicinch
cubicfoot
cubicyard
ounce(USuid)
quart(USliquid)
quart(Imperial)
gallon(US)
gallon(Imperial)
16.38706
0.028317
0.764.555
29.57353
0.946353
1.136523
3.785412
4.546092
cubiccentimeter
cubicmeter
cubicmeter
milliliter
litre
litre
litre
litre
VOLUME/TIME:gallon/min.3.785412litre/min.
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15

INTRODUCTION
Hydrauliccontamination
Contaminationinthehydraulicsystemisamajorcauseofthemalfunctionofhydrauliccomponents.Contamination
isanyforeignmaterialinthehydraulicoil.Contaminationcanenterthehydraulicsysteminseveralways.
(A)Whenyoudraintheoilordisconnectanyline.
(B)Whenyoudisassembleacomponent.
(C)Fromnormalwearofthehydrauliccomponents.
(D)Fromdamagedorwornseals.
(E)Fromadamagedcomponentinthehydraulicsystem.
Allhydraulicsystemsoperatewithsomecontamination.Thedesignofthecomponentsinthishydraulicsystemper-
mitsefcientoperationwithasmallamountofcontamination.Anincreaseinthisamountofcontaminationcancause
problemsinthehydraulicsystem.Thefollowinglistincludessomeoftheseproblems.
(A)Cylinderrodsealsleak.
(B)Controlvalvespoolsdonotreturntoneutral.
(C)Movementofcontrolvalvespoolsisdifcult.
(D)Hydraulicoilbecomestoohot.
(E)Pumpgears,housing,andotherpartswearrapidly.
(F)Reliefvalvesorcheckvalvesheldopenbydirt.
(G)Quickfailureofcomponentsthathavebeenrepaired.
(H)Cycletimesareslow;machinedoesnothaveenoughpower.
Ifyourmachinehasanyoftheseproblems,checkthehydraulicoilforcontamination.Therearetwotypesofcontam-
ination,microscopicandvisible.
Microscopiccontaminationoccurswhenveryneparticlesofforeignmaterialareinsuspensioninthehydraulicoil.
Theseparticlesaretoosmalltoseeorfeel.Microscopiccontaminationcanbefoundbyidenticationofthefollowing
problemsorbytestinginalaboratory.Examplesoftheproblems:
(A)Cylinderrodsealleak.
(B)ControlvalvespoolsdonotreturntoNEUTRAL.
(C)Thehydraulicsystemhasahighoperatingtemperature.
Visiblecontaminationisforeignmaterialthatcanbefoundbysight,touch,orodor.Visiblecontaminationcancause
asuddenfailureofcomponents.Examplesofvisiblecontamination:
(A)Particlesofmetalordirtintheoil.
(B)Airintheoil.
(C)Theoilisdarkandthick.
(D)Theoilhasanodorofburnedoil.
(E)Waterintheoil.
Ifyoundcontamination,useaPortableFiltertocleanthehydraulicsystem.
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