Operator's Manual

BeltMaintenance
ReplacingthePump-Drive
Belt
Ifthepumpdrivebeltbeginstosquealoriscracked,
worn,orfrayed,replaceit.ContactyourAuthorized
ServiceDealerforareplacementbelt.
1.Parkthemachineonalevelsurface,engagethe
parkingbrake,andlowertheboom.
2.Shutofftheengineandremovethekey.
3.Raisethebackofthemachineandsupportit
onjackstands.
4.Removethebottomshield;refertoRemoving
theBottomShield(page23).
5.Loosenthe2pumpbolts(Figure50).
g015382
Figure50
1.Pump3.Belt
2.Pumpbolts4.Idler-pulleyspring
6.Twistthepumpcounterclockwiseandallowitto
dropdownawayfromthepulley(Figure50).
Note:Ensurethatthespidercouplerdrops
downwiththepump.
7.Usingaspringpuller(contactyourAuthorized
ServiceDealer)orstiffmetalhook,pulltheend
oftheidlerpulleyspringoffthespringboltto
releasetensiononthebelt(Figure50).
8.Removethebelt.
9.Routeanewbeltaroundthepulleys.
10.Installtheidler-pulleyspringonthebolt.
11.Ensurethatthespidercouplerisinplaceonthe
pumpandtheninsertitintothepulley,twistingit
clockwisetoseatitonthepumpbolts.
12.Torquethepumpboltsto68N∙m(50ft-lb).
13.Installthebottomshield.
ControlsSystem
Maintenance
Adjustingthe
Traction-ControlAlignment
Thefactoryadjuststhetractioncontrolsbefore
shippingthemachine.However,aftermanyhours
ofuse,youmayneedtoadjustthetraction-control
alignment,theneutralpositionofthetractioncontrol,
andthetrackingofthetractioncontrolinthefull
forwardposition.
Important:Toadjustthecontrolsproperly,
completeeachprocedureintheorderlisted.
AdjustingtheTraction-Control
ReversePosition
Ifthetractioncontrolbardoesnotrestushand
squarewiththereferencebarwheninthefull
reverseposition,immediatelycompletethefollowing
procedure:
1.Parkthemachineonalevelsurface,engage
theparkingbrake(ifapplicable),andlowerthe
boom.
2.Shutofftheengineandremovethekey.
3.Pullbackthetractioncontrolsothatthefrontof
thecontrolcontactsthereferencebar(Figure
51).
g004190
Figure51
1.Frontofthecontrol(outof
alignment)
2.Referencebar
4.Ifthefrontofthetractioncontroldoesnotrest
squareandushwiththereferencebar,loosen
thenutandboltinthestemofthetractioncontrol
(Figure52).
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