MACHINEMODEL
WA380-5 SERIALNUMBER
60001andup
Thisshopmanualmaycontainattachmentsandoptionalequipmentthatarenotavailableinyourarea. PleaseconsultyourlocalKomatsudistributorforthoseitemsyoumayrequire. Materialsandspecificationsaresubjecttochangewithoutnotice.
WA380-5mountstheSAA6D114E-2engine. Fordetailsoftheengine,seethe114SeriesEngineShopManual.
Theaffectedpagesareindicatedbytheuseofthe followingmarks.Itisrequestedthatnecessary actionsmustbetakentothesepagesaccordingto thelistbelow.
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20-445(5) 20-501(5) 20-502(5) 20-502-1(5) 20-503(5) 20-504(5) 20-505(5) 20-506(5) 20-507(5) 20-508(5)
20-509(5) 20-510(5) 20-512
20-513(5) 20-514(5) 20-515(5) 20-516(5) 20-517(5) 20-518 20-519 20-520 20-521 20-522 20-523(5) 20-524(5) 20-526 20-527 20-528 20-529 20-530 20-531 20-532 20-533 20-534 20-535 20-536 20-537 20-538 20-539 20-540 20-541 20-542 20-543 20-544 20-545 20-546 20-547 20-548 20-549 20-550 20-551 20-552(5) 20-553(5) 20-554 20-555 20-556 20-557 20-558 20-559 20-560 20-561 20-562 20-563 20-564 20-565 20-566 20-567 20-568 20-569 20-570 20-571 20-572 20-573 20-574 20-575 20-576 20-577 20-578 20-579 20-580 20-581 20-582(5) 20-583(5) 20-584(5) 20-585(5) 20-586(5) 20-587(5) 20-588(5) 20-589(5) 20-590(5) 20-591(5) 20-592(5) 20-593(5) 20-594(5) 20-596(5) 20-597(5) 20-598(5) 20-599(5) 20-600(5) 20-601(5) 20-602(5) 20-603(5) 20-604(5) 20-605(5) 20-606(5) 20-607(5) 20-608(5) 20-609(5) 20-610(5) 20-611(5) 20-612(5) 20-613(5) 20-614(5) 20-615(5) 20-616(5) 20-617(5) 20-618(5) 20-619(5) 20-701(5) 20-702(5) 20-703(5) 20-704(5) 20-705(5) 20-706(5) 20-707(5) 20-708(5) 20-709(5) 20-710(5)
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20-712 20-713(5) 20-714(5) 20-715(5) 20-716(5) 20-717(5) 20-718 20-719 20-720 20-721 20-722(5) 20-723(5) 20-724(5) 20-725(5) 20-726 20-727 20-728 20-729 20-730 20-731 20-732 20-733 20-734 20-735 20-736 20-737 20-738 20-739 20-740 20-741
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30-1(7)
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30-65(2) q30-66(8)
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30-68(2) q30-69(8) q30-70(8)
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30-93(2) q30-94(8)
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30-110(2) q30-111(8)
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30-129(5)
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30-133(5)
30-134(2)
30-135(2)
30-136(2)
30-137(2)
30-138(2)
30-139(2)
30-140(2)
30-141(2)
30-142(2) 30-143(2)
30-144(2)
30-145(2)
30-146(2)
30-147(7)
30-148(7)
30-149(7)
30-150(7)
30-151(7)
30-152(7)
30-153(7)
30-154(7)
30-155(7) 30-156(7)
90-1(4) 90-3(4) 90-5(4) 90-7
90-9
90-11
90-13(4) 90-15(4) 90-17(4)
q90-19(8) 90-21(4) 90-23(4) 90-25(4) q90-27(8) 90-29(4) 90-31(4) 90-33(4) 90-35(4) 90-37(4) 90-39(4)
SAFETY SAFETYNOTICE
IMPORTANTSAFETYNOTICE
Properserviceandrepairisextremelyimportantforsafemachineoperation.Theserviceand repairtechniquesrecommendedbyKomatsuanddescribedinthismanualarebotheffective andsafe.SomeofthesetechniquesrequiretheuseoftoolsspeciallydesignedbyKomatsufor thespecificpurpose.
Topreventinjurytoworkers,thesymbol¤isusedtomarksafetyprecautionsinthismanual. Thecautionsaccompanyingthesesymbolsshouldalwaysbefollowedcarefully.Ifanydangeroussituationarisesormaypossiblyarise,firstconsidersafety,andtakethenecessaryactions todealwiththesituation.
GENERALPRECAUTIONS
Mistakesinoperationareextremelydangerous. ReadtheOperationandMaintenanceManualcarefullyBEFOREoperatingthemachine.
1.Beforecarryingoutanygreasingorrepairs,read alltheprecautionsgivenonthedecalswhichare fixedtothemachine.
2.Whencarryingoutanyoperation,always wearsafetyshoesandhelmet.Donotwear looseworkclothes,orclotheswithbuttons missing.
Alwayswearsafetyglasseswhenhitting partswithahammer.
Alwayswearsafetyglasseswhengrinding partswithagrinder,etc.
3.Ifweldingrepairsareneeded,alwayshavea trained,experiencedweldercarryoutthework. Whencarryingoutweldingwork,alwayswear weldinggloves,apron,handshield,capand otherclothessuitedforweldingwork.
4.Whencarryingoutanyoperationwithtwoor moreworkers,alwaysagreeontheoperating procedurebeforestarting.Alwaysinformyour fellowworkersbeforestartinganystepofthe operation.Beforestartingwork,hangUNDER REPAIRsignsonthecontrolsintheoperator's compartment.
5.Keepalltoolsingoodconditionandlearnthe correctwaytousethem.
6.Decideaplaceintherepairworkshoptokeep toolsandremovedparts.Alwayskeepthetools andpartsintheircorrectplaces.Alwayskeep theworkareacleanandmakesurethatthereis nodirtoroilonthefloor.Smokeonlyintheareas providedforsmoking.Neversmokewhileworking.
PREPARATIONSFORWORK
7.Beforeaddingoilormakinganyrepairs,parkthe machineonhard,levelground,andblockthe wheelsortrackstopreventthemachinefrom moving.
8.Beforestartingwork,lowerblade,ripper,bucket oranyotherworkequipmenttotheground.If thisisnotpossible,insertthesafetypinoruse blockstopreventtheworkequipmentfromfalling.Inaddition,besuretolockallthecontrol leversandhangwarningsignsonthem.
9.Whendisassemblingorassembling,supportthe machinewithblocks,jacksorstandsbefore startingwork.
10.Removeallmudandoilfromthestepsorother placesusedtogetonandoffthemachine. Alwaysusethehandrails,laddersorstepswhen gettingonoroffthemachine.Neverjumponor offthemachine.Ifitisimpossibletousethe handrails,laddersorsteps,useastandtoprovidesafefooting.
PRECAUTIONSDURINGWORK
11.Whenremovingtheoilfillercap,drainplugor hydraulicpressuremeasuringplugs,loosen themslowlytopreventtheoilfromspurtingout. Beforedisconnectingorremovingcomponents oftheoil,wateroraircircuits,firstremovethe pressurecompletelyfromthecircuit.
12.Thewaterandoilinthecircuitsarehotwhenthe engineisstopped,sobecarefulnottoget burned.
Waitfortheoilandwatertocoolbeforecarryingoutanyworkontheoilorwatercircuits.
13.Beforestartingwork,removetheleadsfromthe battery.Alwaysremovetheleadfromthenegative()terminalfirst.
14.Whenraisingheavycomponents,useahoistor crane.
Checkthatthewirerope,chainsandhooksare freefromdamage. Alwaysuseliftingequipmentwhichhasample capacity.
Installtheliftingequipmentatthecorrectplaces. Useahoistorcraneandoperateslowlytopreventthecomponentfromhittinganyotherpart. Donotworkwithanypartstillraisedbythehoist orcrane.
15.Whenremovingcoverswhichareunderinternal pressureorunderpressurefromaspring, alwaysleavetwoboltsinpositiononopposite sides.Slowlyreleasethepressure,thenslowly loosentheboltstoremove.
16.Whenremovingcomponents,becarefulnotto breakordamagethewiring.Damagedwiring maycauseelectricalfires.
17.Whenremovingpiping,stopthefueloroilfrom spillingout.Ifanyfueloroildripsontothefloor, wipeitupimmediately.Fueloroilonthefloor cancauseyoutoslip,orcanevenstartfires.
18.Asageneralrule,donotusegasolinetowash parts.Inparticular,useonlytheminimumof gasolinewhenwashingelectricalparts.
19.Besuretoassembleallpartsagainintheiroriginalplaces.
Replaceanydamagedpartswithnewparts. Wheninstallinghosesandwires,besure thattheywillnotbedamagedbycontact withotherpartswhenthemachineisbeing operated.
20.Wheninstallinghighpressurehoses,makesure thattheyarenottwisted.Damagedtubesare dangerous,sobeextremelycarefulwheninstallingtubesforhighpressurecircuits.Also,check thatconnectingpartsarecorrectlyinstalled.
21.Whenassemblingorinstallingparts,alwaysuse thespecifiedtighteningtorques.Wheninstalling protectivepartssuchasguards,orpartswhich vibrateviolentlyorrotateathighspeed,beparticularlycarefultocheckthattheyareinstalled correctly.
22.Whenaligningtwoholes,neverinsertyourfingersorhand.Becarefulnottogetyourfingers caughtinahole.
23.Whenmeasuringhydraulicpressure,checkthat themeasuringtooliscorrectlyassembledbefore takinganymeasurements.
24.Takecarewhenremovingorinstallingthetracks oftrack-typemachines. Whenremovingthetrack,thetrackseparates suddenly,soneverletanyonestandateither endofthetrack.
