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OperationandMaintenanceManual 955,977,AND983TRACK-TYPELOADERS
MediaNumber-SEBU5511-00PublicationDate-01/09/1983DateUpdated-11/10/2001
TransportationHints
Checktravelrouteforoverpassclearances.Makesuretherewillbe adequateclearanceifvehiclebeingtransportedisequippedwithROPS, caborcanopy.
Alwaysblocktrailerorrailcarwheelsbeforeloadingmachine.
NOTICE
Removeice,snoworotherslipperymaterialfromshippingvehicleand loadingdock.
ApplybrakelockandplacetransmissioninNEUTRAL.
Shutoffengineandremovedisconnectswitchkey.
Coverengineexhaustopeningtopreventturbochargerwindmillingintransit.
Installtie-downsatseverallocations,andblocktracks,frontandrear. Obeystateandlocallawsgoverningweight,widthandlengthofload.
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OperationandMaintenanceManual 955,977,AND983TRACK-TYPELOADERS
MediaNumber-SEBU5511-00PublicationDate-01/09/1983DateUpdated-11/10/2001
OperatingTechniques
General
Useextracautionwhencrossingsidehills,ridges,logsandditches.
Carryloadedbucketlowforoperatorvisibilityandmachinestability.
Utilizewaittimetocleanandlevelworkarea.
Travelinreversewhencarryingaloaddownasteepincline.Travelforwardwhengoinguphill. Keepbucketlowwheneverpossible.
Dozing
Whenbulldozingkeepthebucketbottomparalleltotheground.Donotbulldozewiththebucket inthedumpposition.
Dumping
Usethebucketstopsformaximumdumpingangle.Donotallowthetiltcylinderstofullyextend.
Whenevertheloaderliftarmsarenearorbelowthehorizontalplane, itispossibletoextendthetiltcylinderstotheirfullestextentbefore bucketstopsmakecontact.Thismaydamagethecylindersandrodsif pressureisappliedtothecylindersorbucketwhentheyareinthis position.
NOTE:Wheneverthetiltcylindersarefullyextended,therodpistonwillcontacttheforwardend ofthetiltcylinder.Iftiltcylindersmustbefullyextended(asintheloadingofsomehoppers), damagetothecylindersandrodscanbepreventedbymakingsurethattherodpistonscontactthe forwardendofthecylinderswithaverysoftimpact.
Digging
Avoidexcessivedownpressureonthebuckettopreventlossoftraction.
Usebucketteethwhenworkinginhardmaterial.
LoadingFromStockpile
1.Positionbucketparalleltoandjustskimmingground.
2.Driveforwardintostockpile,forcingbucketintomaterial.
3.Worktiltcontrolbackandforthtoaidpenetrationofbucket.
4.Tiltbucketbackcompletelywhenloaded.
5.Raisebucketapproximately15inches(0,5m)orhighenoughtoclearmaterialbeingloaded. ShiftspeedselectortoREVERSE.
6.Uponreachingdumparea,moveliftcontroltoRAISE.Atpresetliftheight,liftcontrolwill returntoHOLD.
LoadingHaulingUnits
1.Positionhaulingunitatanangletomaterialbeingloadedtoreduceloaderturningandtravel. Traveldistanceshouldbelongenoughforbuckettoreachliftheightwithoutslowingloader.
2.Positionloadertodumploadincenterofhaulerbody.Ifhaulerbodyistwobucketsormorein length,dumpfromfronttorear.
3.Pulltiltcontrolbacktodumpbucket.
4.Ifloadinglargerock,placeabucketloadofsmallerrockinhaulingunitfirst.Thiswillcushion haulingunitbottomagainstimpactoflargermaterial.
5.Forcontrolleddumping,engagetiltcontrolleverforashortperiod,thenreturntoHOLD. Repeatuntilbucketisempty.
6.Shakebuckettoloosenstickymaterial.Movetiltcontrolleverbackandforthquickly,allowing armstostrikestops.
7.Ifpossiblekeepthewindtoyourbackwhendumping.Thiswillhelptokeepthedustoutof youreyesandawayfromtheengine.
8.Tiltbucketbackandlowertoloadingpositionwhilemovingloaderforanotherload.
1.Removeoverhangsandwatchforslidingmaterial.
2.Startatbaseofbankandfollowuptheface.
1.Lowerbuckettogroundandpositionforslightdiggingangle.Increasediggingangletoaid penetrationinhardearth.
2.Applydownpressuretobucketasloaderstartsforward.ReturnliftcontroltoHOLDwhen sufficientpenetrationisobtained.
3.Maintainlevelcutswhilemovingforwardbyraisingandloweringbucketwithliftcontrollever.
4.Tiltbucketbackagainststopswhenloaded.Carryloadedbucketapproximately15inches(0,5 m)abovegroundwhenmovingtodumparea.
Ripping
1.Uselowgearformostrippingoperations.Startwithoneortwoshanks.(Alwaysusecenter shankinoneshankripping).
2.Ifmaterialispenetratedeasilyandbreaksupsatisfactorily,addshanksratherthanincrease speed.
Keepseveralinchesofloosematerialontopoftheunrippedformationtocushiontheloaderand improvetraction.
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3.Crossriponlywhereonewayrippingwillnotadequatelyloosentheformation.
4.Ripascrapercutinthesamedirectionthescraperloads.Ripdownhillwheneverpossible. Normallyripasdeepaspossible.Itmaybenecessarytoripatpartialdepthtoremovematerialin itsnaturallayers.
NOTE:Inspectrippertipsfrequentlyforexcesswear.
Openbowlandpositionbucketovermaterialtobeloaded.Lowerbucketandclosebowl.For maximumdumpheightorwhenunloadingstickymaterial,positionbucketoverdumpareaand openbowl.
2.Bucketusedasadozer:
Openbowltousebladefordozing.Maintainlevelcutwithliftcontrol.
3.Bucketusedasascraper:
Raisebowlslightlyandpositionbucketasfordozing.Whenloaded,tiltbucketbackbefore closingbowl.
1.Loadaswithastandardbucket.Positionbucketsomaterialwillfallincenterofhaulunit.
2.Bucketmaybedumpednormallyortotheleftside.
LogorLumberForkWithTopClamp
1.Positionforksincenterofload.Lowertopclampsandtiltforksbacktoholdloadagainstfor uprights.
4.Pullleveruptodisconnectmachinedriveline.
5.Movetransmissioncontrollevertodesiredpowertake-offspeedrange.
6.Movegovernorcontroltoobtainenginespeedbestsuitedforworkload.
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4.MoveoutsideboltinslotuntilliftcontrolreturnstoHOLD.Tightenbolts.
5.Totestadjustment:StartengineandlockliftcontrolinRAISEposition.
6.Atpre-setliftheight,controllevershouldreturntoHOLD.
BucketPositioner(LaterMachines-955,977and983)
Totestadjustment:Startengine,raiseanddumpbucket.MovetiltcontroltoTILTBACK position.
Whenpre-setbucketangleisreached,controlleverwillreturntoHOLD.Lowerbucketandcheck cuttingangle.
3.Moverodbackuntilrollerbeginstorolluponrod.
4.Tightenboltorboltsonclamp.
5.Checkadjustment.
BucketPositioner(955&977)
1.Lowerbuckettoground.
2.Positionbucketatdesiredangletoground.Stopengine.
3.Loosenboltsandmovecamtopositionvalveroller0.12inch(3.0mm)backonthecamramp.
4.Totestadjustment:Startengine,raiseanddumpbucket.MovetiltcontroltoTILTBACK position.
5.Whenpre-setbucketangleisreached,controlvalvewillreturntoHOLD.
BucketPositioner(983)
1.Positionbucketatdesiredangletoground.Stopengine.
2.Loosenclampbolts.
3.Moverodagainstcamuntilupperendofcamsnapsupinslot.
4.Moverodawayfromcamtoapointjustbeforetheendofthecamsnapsup.Tightenclamp bolts.
5.Totestadjustment:Startengine,raiseanddumpbucket.MovetiltcontroltoTILTBACK position.
6.Whenpre-setbucketangleisreached,controlleverwillreturntoHOLD.
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5.Engagetransmissioncontrolleversafetylock.
6.Lowerbucketandrearmountedimplement.
NOTE:Donotusebrakepedalsasfootrests.
StoppingtheEngine
1.Operateatreducedloadfor5minutesandstopmachine.
2.Movegovernorcontroltolowidlefor30seconds.
3.Pushgovernorcontrolpastdetenttoshutdownengine.
NOTICE
NeverturndisconnectkeytoOFFwhileengineisrunning,serious damagetotheelectricsystemmayresult.
4.TurndisconnectswitchtoOFFandremovekey.
5.Usestepsandgrabironswhendismounting.
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OperationandMaintenanceManual 955,977,AND983TRACK-TYPELOADERS
Keepmachineundercontrolatalltimes.DONOTNEUTRALIZE TRANSMISSIONwhichwouldallowmachinetocoast.
Selectgearrangenecessarybeforestartingdowngrade.DONOT changegearswhilegoingdownhill.
DONOTALLOWMACHINETOCOASTDOWNHILL.
NOTE:Donotusebrakepedalsasfootrests.
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