Thisshopmanualmaycontainattachmentsandoptionalequipmentthatarenotavailableinyourarea. PleaseconsultyourlocalKOMATSUdistributorforthoseitemsyoumayrequire.
Materialsandspecificationsaresubjecttochangewithoutnotice.
TheWheelLoadersWA70-7isequippedwiththeengine4D95LWE-5.
FordetailsofthisengineseeEngineManual:WA70-7SEN04408-00
ImportantSafetyNotice
Properserviceandrepairisextremelyimportantforsafe machineoperation.Someofthedescribedserviceandrepairtechniquesrequiretheuseoftoolsspeciallydesigned byKomatsuforthespecificpurpose.
Topreventinjurytoworkers,thesymbolisusedtomark safetyprecautionsinthismanual.Thecautionsaccompanyingthesesymbolsmustalwaysbefollowedcarefully.If anydangeroussituationarisesormaypossiblyarise,first considersafety,andtakethenecessaryactionstodealwith thesituation.
GeneralPrecautions
Mistakesinoperationareextremelydangerous.Readthe OPERATIONANDMAINTENANCEMANUALcarefullybefore operatingthemachine!Alwaysfollowthesafetyrulesvalid inyourcountrycarefully!
1.Beforecarryingoutanygreasingorrepairs,readalltheprecautionsgivenonthedecalswhicharefixedtothemachine.
2.Whencarryingoutanyoperation,alwayswearsafetyshoes andhelmet.Donotwearlooseworkclothes,orclotheswith buttonsmissing.
Alwayswearsafetyglasseswhenhittingpartswitha hammer.
Alwayswearsafetyglasseswhengrindingpartswitha grinder,etc.
3.Ifweldingrepairsareneeded,alwayshaveatrained,experiencedweldercarryoutthework.Whencarryingoutwelding work,alwayswearweldinggloves,apron,glasses,capand otherclothessuitedforweldingwork.
4.Whencarryingoutanyoperationwithtwoormoreworkers, alwaysagreeontheoperatingprocedurebeforestarting.Alwaysinformyourfellowworkersbeforestartinganystepof theoperation.Beforestartingwork,hangUNDERREPAIR signsonthecontrolsintheoperator'scompartment.
5.Keepalltoolsingoodconditionandlearnthecorrectwayto usethem.
6.Decideaplaceintherepairworkshoptokeeptoolsandremovedparts.Alwayskeepthetoolsandpartsintheircorrect places.Alwayskeeptheworkareacleanandmakesure thatthereisnodirtoroilonthefloor.Neversmokewhile working.Smokeonlyintheareasprovidedforsmoking.
1.Beforeaddingoilormakinganyrepairs,parkthemachine onhard,levelground,andblockthewheelsortrackstopreventthemachinefrommoving.
2.Beforestartingwork,lowerblade,ripper,bucketoranyother workequipmenttothegroundandinstallthesafetybaron theframe.Ifthisisnotpossible,insertthesafetypinoruse blockstopreventtheworkequipmentfromfalling.Inaddition,besuretolockallthecontrolleversandhangwarning signsonthem.
3.Whendisassemblingorassembling,supportthemachine withblocks,jacksorstandsbeforestartingwork.
4.Removeallmudandoilfromthestepsorotherplacesused togetonandoffthemachine.Alwaysusethehandrails,laddersorstepswhengettingonoroffthemachine.Never jumponoroffthemachine.Ifitisimpossibletousethe handrails,laddersorsteps,useastandtoprovidesafefooting.