john deer 850JR User manual

850JR
CrawlerDozer
OperationandTest
OPERATION&TESTTECHNICAL
MANUAL
850JRMCTCrawlerDozer
TM1077903MAY19(ENGLISH)
WorldwideConstruction
AndForestryDivision
PRINTEDINU.S.A.

Introduction
TX,750C,YY977-19-06APR95-1/1
Foreword
Thismanualiswrittenforanexperiencedtechnician.
Essentialtoolsrequiredinperformingcertainservicework
areidentifiedinthismanualandarerecommendedforuse.
Livewithsafety:Readthesafetymessagesinthe
introductionofthismanualandthecautionspresented
throughoutthetextofthemanual.
Thisisthesafety-alertsymbol.Whenyouseethissymbol
onthemachineorinthismanual,bealerttothepotential
forpersonalinjury.
Technicalmanualsaredividedintwoparts:repairand
operationandtests.Repairsectionstellhowtorepair
thecomponents.Operationandtestssectionshelpyou
identifythemajorityofroutineproblemsquickly.
Informationisorganizedingroupsforthevarious
componentsrequiringserviceinstruction.Atthe
beginningofeachgrouparesummarylistingsofall
applicableessentialtools,serviceequipmentandtools,
othermaterialsneededtodothejob,servicepartskits,
specifications,weartolerances,andtorquevalues.
TechnicalManualsareconciseguidesforspecific
machines.Theyareon-the-jobguidescontainingonlythe
vitalinformationneededfordiagnosis,analysis,testing,
andrepair.
Fundamentalserviceinformationisavailablefromother
sourcescoveringbasictheoryofoperation,fundamentals
oftroubleshooting,generalmaintenance,andbasictype
offailuresandtheircauses.
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Contents
Section9000—GeneralInformation
Group01—Safety
Section9001—DiagnosticTroubleCodes
(DTCs)
Group10—CANMonitorUnit(CMU)Diagnostic
TroubleCodes
Group20—EngineControlUnit(ECU)Diagnostic
TroubleCodes
Group30—TransmissionControlUnit(TCU)Diagnostic
TroubleCodes
Section9005—OperationalCheckout
Procedure
Group10—OperationalCheckoutProcedure
Section9010—Engine
Group05—TheoryofOperation
Group15—DiagnosticInformation
Group25—Tests
Section9015—ElectricalSystem
Group05—SystemInformation
Group10—SystemDiagrams
Group15—Sub-SystemDiagnostics
Group20—References
Section9025—HydraulicSystem
Group05—Theory
Group15—DiagnosticInformation
Group25—Tests
Section9026—HydrostaticSystem
Group05—TheoryofOperation
Group15—DiagnosticInformation
Group25—Tests
Section9031—HeatingandAirConditioning
Group05—TheoryofOperation
Group15—DiagnosticInformation
Group25—Tests
OriginalInstructions.Allinformation,illustrationsandspecificationsinthis
manualarebasedonthelatestinformationavailableatthetimeofpublication.
Therightisreservedtomakechangesatanytimewithoutnotice.
COPYRIGHT©2019
DEERE&COMPANY
Moline,Illinois
Allrightsreserved.
AJohnDeereILLUSTRUCTION™Manual
PreviousEditions
Copyright©2008,2009,2010,2011,2012,2013,2016,2017,2018
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Contents
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Section9000
GeneralInformation
Contents
Page
Group01—Safety
RecognizeSafetyInformation...................9000-01-1
FollowSafetyInstructions..........................9000-01-1
OperateOnlyIfQualified...........................9000-01-1
WearProtectiveEquipment.......................9000-01-2
AvoidUnauthorizedMachine
Modifications..........................................9000-01-2
InspectMachine........................................9000-01-2
StayClearofMovingParts........................9000-01-2
AvoidHigh-PressureFluids.......................9000-01-3
AvoidHigh-PressureOils..........................9000-01-3
BewareofExhaustFumes........................9000-01-4
PreventFires.............................................9000-01-4
PreventBatteryExplosions.......................9000-01-4
HandleChemicalProductsSafely..............9000-01-5
DisposeofWasteProperly........................9000-01-5
PrepareforEmergencies...........................9000-01-5
CabGuardingForSpecialUses................9000-01-6
UseStepsandHandholds
Correctly................................................9000-01-6
StartOnlyFromOperator'sSeat...............9000-01-6
UseandMaintainSeatBelt.......................9000-01-6
PreventUnintendedMachine
Movement..............................................9000-01-7
UseGroundGuide.....................................9000-01-7
AvoidWorkSiteHazards...........................9000-01-7
KeepRidersOffMachine..........................9000-01-8
AvoidBackoverAccidents.........................9000-01-8
AvoidMachineTipOverand
MachineDamage..................................9000-01-9
AddandOperateAttachments
Safely.....................................................9000-01-9
ParkandPrepareforService
Safely...................................................9000-01-10
ServiceCoolingSystemSafely...............9000-01-10
RemovePaintBeforeWeldingor
Heating................................................9000-01-10
MakeWeldingRepairsSafely.................9000-01-11
DriveMetalPinsSafely...........................9000-01-11
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Contents
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Group01
Safety
TX03679,00016CC-19-08JAN18-1/1
TX03679,00016F9-19-14JAN08-1/1
TX03679,00016FA-19-03JAN07-1/1
RecognizeSafetyInformation
Thisisthesafetyalertsymbol.Whenyouseethis
symbolonyourmachineorinthismanual,bealert
forthepotentialofpersonalinjury.
Followtheprecautionsandsafeoperatingpractices
highlightedbythissymbol.
Asignalword—DANGER,WARNING,orCAUTION—
isusedwiththesafetyalertsymbol.DANGERidentifies
themostserioushazards.
Onyourmachine,DANGERsignsareredincolor,
WARNINGsignsareorange,andCAUTIONsignsare
yellow.DANGERandWARNINGsignsarelocatednear
specifichazards.GeneralprecautionsareonCAUTION
labels.
T133555—UN—15APR13T133588—19—28AUG00
FollowSafetyInstructions
Readthesafetymessagesinthismanualandonthe
machine.Followthesewarningsandinstructionscarefully.
Reviewthemfrequently.Keepsafetysignsingood
condition.Replacemissingordamagedsafetysigns.Be
surenewequipmentcomponentsandrepairpartsinclude
thecurrentsafetysigns.Replacementsafetysignsare
availablefromyourJohnDeeredealer.
Besurealloperatorsofthismachineunderstandevery
safetymessage.Replaceoperator'smanualandsafety
labelsimmediatelyifmissingordamaged.
T133556—UN—24AUG00
OperateOnlyIfQualified
Donotoperatethismachineunlesstheoperator'smanual
hasbeenreadcarefully,andyouhavebeenqualifiedby
supervisedtrainingandinstruction.
Operatorshouldbefamiliarwiththejobsiteand
surroundingsbeforeoperating.Tryallcontrolsand
machinefunctionswiththemachineinanopenarea
beforestartingtowork.
Knowandobserveallsafetyrulesthatmayapplytoevery
worksituationandworksite.
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Safety
TX03679,00016D0-19-05MAY10-1/1
MB60223,000005E-19-09SEP08-1/1
TX03679,0001734-19-08JAN08-1/1
TX03679,00016D2-19-08JAN08-1/1
WearProtectiveEquipment
Guardagainstinjuryfromflyingpiecesofmetalordebris;
weargogglesorsafetyglasses.
Wearclosefittingclothingandsafetyequipment
appropriatetothejob.
Prolongedexposuretoloudnoisecancauseimpairment
orlossofhearing.Wearsuitablehearingprotectionsuch
asearmuffsorearplugstoprotectagainstobjectionable
oruncomfortableloudnoises.
TS206—UN—15APR13
AvoidUnauthorizedMachineModifications
JohnDeererecommendsusingonlygenuineJohnDeere
replacementpartstoensuremachineperformance.
NeversubstitutegenuineJohnDeerepartswithalternate
partsnotintendedfortheapplicationasthesecan
createhazardoussituationsorhazardousperformance.
Non-JohnDeereParts,oranydamageorfailuresresulting
fromtheirusearenotcoveredbyanyJohnDeerewarranty.
Modificationsofthismachine,oradditionofunapproved
productsorattachments,mayaffectmachinestabilityor
reliability,andmaycreateahazardfortheoperatoror
othersnearthemachine.Theinstallerofanymodification
whichmayaffecttheelectroniccontrolsofthismachineis
responsibleforestablishingthatthemodificationdoesnot
adverselyaffectthemachineoritsperformance.
Alwayscontactyoursupervisorbeforemakingmachine
modificationsthatchangetheintendeduse,weightor
balanceofthemachine,orthataltermachinecontrols,
performanceorreliability.
InspectMachine
Inspectmachinecarefullyeachdaybywalkingaroundit
beforestarting.
Keepallguardsandshieldsingoodconditionandproperly
installed.Fixdamageandreplacewornorbrokenparts
immediately.Payspecialattentiontohydraulichosesand
electricalwiring.
T6607AQ—UN—15APR13
StayClearofMovingParts
Entanglementsinmovingpartscancauseseriousinjury.
Stopenginebeforeexamining,adjustingormaintaining
anypartofmachinewithmovingparts.
Keepguardsandshieldsinplace.Replaceanyguard
orshieldthathasbeenremovedforaccessassoonas
serviceorrepairiscomplete.
T133592—UN—15APR13
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Safety
DX,FLUID-19-12OCT11-1/1
TX03679,00016D3-19-16JUN08-1/1
AvoidHigh-PressureFluids
Inspecthydraulichosesperiodically–atleastonce
peryear–forleakage,kinking,cuts,cracks,abrasion,
blisters,corrosion,exposedwirebraidoranyothersigns
ofwearordamage.
Replacewornordamagedhoseassembliesimmediately
withJohnDeereapprovedreplacementparts.
Escapingfluidunderpressurecanpenetratetheskin
causingseriousinjury.
Avoidthehazardbyrelievingpressurebefore
disconnectinghydraulicorotherlines.Tightenall
connectionsbeforeapplyingpressure.
Searchforleakswithapieceofcardboard.Protecthands
andbodyfromhigh-pressurefluids.
Ifanaccidentoccurs,seeadoctorimmediately.Anyfluid
injectedintotheskinmustbesurgicallyremovedwithin
afewhoursorgangrenemayresult.Doctorsunfamiliar
X9811—UN—23AUG88
withthistypeofinjuryshouldreferenceaknowledgeable
medicalsource.Suchinformationisavailablein
EnglishfromDeere&CompanyMedicalDepartmentin
Moline,Illinois,U.S.A.,bycalling1-800-822-8262or+1
309-748-5636.
AvoidHigh-PressureOils
Thiscarrierusesahigh-pressurehydraulicsystem.
Escapingoilunderpressurecanpenetratetheskin
causingseriousinjury.
Neversearchforleakswithyourhands.Protecthands.
Useapieceofcardboardtofindlocationofescapingoil.
Stopengineandrelievepressurebeforedisconnecting
linesorworkingonhydraulicsystem.
Ifhydraulicoilpenetratesyourskin,seeadoctor
immediately.Injectedoilmustberemovedsurgically
withinhoursorgangrenemayresult.Contacta
knowledgeablemedicalsourceortheDeere&Company
MedicalDepartmentinMoline,Illinois,U.S.A.
T133509—UN—15APR13T133840—UN—20SEP00
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