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WA400-5L | SN: A40001-UP | Komatsu | Heavy Equipment Manual PDF

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WHEELLOADER

SERIALNUMBERS andUP

ThismaterialisproprietarytoKomatsuAmericaCorp.andisnottobereproduced,used,ordisclosedexceptinaccordance withwrittenauthorizationfromKomatsuAmericaCorp.

Itisourpolicytoimproveourproductswheneveritispossibleandpracticaltodoso.Wereservetherighttomakechangesor addimprovementsatanytimewithoutincurringanyobligationtoinstallsuchchangesonproductssoldpreviously.

Duetothiscontinuousprogramofresearchanddevelopment,periodicrevisionsmaybemadetothispublication.Itis recommendedthatcustomerscontacttheirdistributorforinformationonthelatestrevision.

FOREWORD

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SAFETYNOTICE

IMPORTANTSAFETYNOTICE

Properserviceandrepairisextremelyimportantforthesafeoperationofyourmachine.Theserviceandrepairtechniques recommendedanddescribedinthismanualarebotheffectiveandsafemethodsofoperation.Someoftheseoperations requiretheuseoftoolsspeciallydesignedforthepurpose.

Topreventinjurytoworkers,thesymbolsandareusedtomarksafetyprecautionsinthismanual.Thecautionsaccompanyingthesesymbolsshouldalwaysbefollowedcarefully.Ifanydangeroussituationarisesormaypossiblyarise,firstconsidersafety,andtakethenecessaryactionstodealwiththesituation.

GENERALPRECAUTIONS

Mistakesinoperationareextremelydangerous.Readthe OPERATION&MAINTENANCEMANUALcarefully BEFOREoperatingthemachine.

1.Beforecarryingoutanygreasingorrepairs,readallthe precautionsgivenonthedecalswhicharefixedtothe machine.

2.Whencarryingoutanyoperation,alwayswearsafety shoesandhelmet.Donotwearlooseworkclothes,or clotheswithbuttonsmissing.

Alwayswearsafetyglasseswhenhittingpartswitha hammer.

Alwayswearsafetyglasseswhengrindingpartswitha grinder,etc.

3.Ifweldingrepairsareneeded,alwayshaveatrained, experiencedweldercarryoutthework.Whencarrying outweldingwork,alwayswearweldinggloves,apron, glasses,capandotherclothessuitedforweldingwork.

4.Whencarryingoutanyoperationwithtwoormore workers,alwaysagreeontheoperatingprocedure beforestarting.Alwaysinformyourfellowworkers beforestartinganystepoftheoperation.Beforestarting work,hangUNDERREPAIRsignsonthecontrolsin theoperator'scompartment.

5.Keepalltoolsingoodconditionandlearnthecorrect waytousethem.

6.Decideaplaceintherepairworkshoptokeeptoolsand removedparts.Alwayskeepthetoolsandpartsintheir correctplaces.Alwayskeeptheworkareacleanand makesurethatthereisnodirtoroilonthefloor.Smoke onlyintheareasprovidedforsmoking.Neversmoke whileworking.

PREPARATIONSFORWORK

1.Beforeaddingoilormakingrepairs,parkthemachine onhard,levelground,andblockthewheelsortracksto preventthemachinefrommoving.

2.Beforestartingwork,lowerblade,ripper,bucketorany otherworkequipmenttotheground.Ifthisisnotpossible,insertthesafetypinoruseblockstopreventthe workequipmentfromfalling.Inaddition,besureto lockallthecontrolleversandhangwarningsignson them.

3.Whendisassemblingorassembling,supportthe machinewithblocks,jacksorstandsbeforestarting work.

4.Removeallmudandoilfromthestepsorotherplaces usedtogetonandoffthemachine.Alwaysusethe handrails,laddersorstepswhengettingonoroffthe machine.Neverjumponoroffthemachine.Ifitis impossibletousethehandrails,laddersorsteps,usea standtoprovidesafefooting.

PRECAUTIONSDURINGWORK

1.Whenremovingtheoilfillercap,drainplugorhydraulicpressuremeasuringplugs,loosenthemslowlytopreventtheoilfromspurtingout.Beforedisconnectingor removingcomponentsoftheoil,wateroraircircuits, firstremovethepressurecompletelyfromthecircuit.

2.Thewaterandoilinthecircuitsarehotwhentheengine isstopped,sobecarefulnottogetburned.Waitforthe oilandwatertocoolbeforecarryingoutanyworkon theoilorwatercircuits.

3.Beforestartingwork,removetheleadsfromthebattery. ALWAYSremovetheleadfromthenegative(-)terminalfirst.

12 4.Whenraisingheavycomponents,useahoistorcrane.Checkthatthewirerope,chainsandhooksarefreefromdamage. Alwaysuseliftingequipmentwhichhasamplecapacity.Installtheliftingequipmentatthecorrectplaces.Useahoistor craneandoperateslowlytopreventthecomponentfromhittinganyotherpart.Donotworkwithanypartstillraisedby thehoistorcrane.

5.Whenremovingcoverswhichareunderinternalpressureorunderpressurefromaspring,alwaysleavetwoboltsinpositiononoppositesides.Slowlyreleasethepressure,thenslowlyloosentheboltstoremove.

6.Whenremovingcomponents,becarefulnottobreakordamagethewiring,Damagedwiringmaycauseelectricalfires.

7.Whenremovingpiping,stopthefueloroilfromspillingout.Ifanyfueloroildripsontothefloor,wipeitupimmediately. Fueloroilonthefloorcancauseyoutoslip,orcanevenstartfires.

8.Asageneralrule,donotusegasolinetowashparts.Inparticular,useonlytheminimumofgasolinewhenwashingelectricalparts.

9.Besuretoassembleallpartsagainintheiroriginalplaces.Replaceanydamagedpartwithnewparts. Wheninstallinghosesandwires,besurethattheywillnotbedamagedbycontactwithotherpartswhenthemachineis beingoperated.

10.Wheninstallinghighpressurehoses,makesurethattheyarenottwisted.Damagedtubesaredangerous,sobeextremely carefulwheninstallingtubesforhighpressurecircuits.Alsocheckthatconnectingpartsarecorrectlyinstalled.

11.Whenassemblingorinstallingparts,alwaysusethespecifiedtighteningtorques.Wheninstallingprotectivepartssuchas guards,orpartswhichvibrateviolentlyorrotateathighspeed,beparticularlycarefultocheckthattheyareinstalledcorrectly.

12.Whenaligningtwoholes,neverinsertyourfingersorhand.Becarefulnottogetyourfingerscaughtinahole.

13.Whenmeasuringhydraulicpressure,checkthatthemeasuringtooliscorrectlyassembledbeforetakinganymeasurements.

14.Takecarewhenremovingorinstallingthetracksoftrack-typemachines.Whenremovingthetrack,thetrackseparates suddenly,soneverletanyonestandateitherendofthetrack.

Thisshopmanualhasbeenpreparedasanaidtoimprovethequalityofrepairsbygivingtheservicemananaccurateunderstandingoftheproductandbyshowinghimthecorrectwaytoperformrepairsandmakejudgements.Makesureyouunderstandthecontentsofthismanualanduseittofulleffectateveryopportunity.

Thisshopmanualmainlycontainsthenecessarytechnicalinformationforoperationsperformedinaserviceworkshop.For easeofunderstanding,themanualisdividedintothefollowingsections.Thesesectionsarefurtherdividedintoeachmain groupofcomponents.

GENERAL

Thissectionliststhegeneralmachinedimensions,performancespecifications,componentweights,andfuel,coolantand lubricantspecificationcharts.

STRUCTUREANDFUNCTION

Thissectionexplainsthestructureandfunctionofeachcomponent.Itservesnotonlytogiveanunderstandingofthe structure,butalsoservesasreferencematerialfortroubleshooting.

TESTING,ADJUSTINGANDTROUBLESHOOTING

Thissectionexplainscheckstobemadebeforeandafterperformingrepairs,aswellasadjustmentstobemadeatcompletionofthechecksandrepairs.Troubleshootingchartscorrelating“Problems”to“Causes”arealsoincludedinthissection.

DISASSEMBLYANDASSEMBLY

Thissectionexplainstheordertobefollowedwhenremoving,installing,disassemblingorassemblingeachcomponent, aswellasprecautionstobetakenfortheseoperations.

MAINTENANCESTANDARD

Thissectiongivesthejudgementstandardswheninspectingdisassembledparts.

NOTICE

Thespecificationscontainedinthisshopmanualaresubjecttochangeatanytimeandwithoutanyadvancenotice.Contact yourdistributorforthelatestinformation.

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WA400-5L | SN: A40001-UP | Komatsu | Heavy Equipment Manual PDF by Heavy Equipment Manual - Issuu