Toro GrandStand 74589 - Drive System Maintenance; Adjusting the Tracking

DriveSystem
Maintenance
AdjustingtheTracking
Note:Determinetheleftandrightsidesofthemachine
fromthenormaloperatingposition.
1.Pushbothcontrolleversforwardthesamedistance.
2.Checkifthemachinepullstooneside.
Note:Ifitdoes,stopthemachineandsettheparking
brake.
3.Releasethecushionfromtherearofthemachine.
4.Rotatetherightcableadjustmenttopositiontheright
motioncontrolinthecenterofthecontrolpanel
neutral-lockslot(Figure57).
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Figure56
1.Leftmotion-controllever
3.Neutral-lockedposition
2.Rightmotion-controllever4.Alignthecontrollevers
fronttoback
5.Rotatetheleftcableadjustmenttomatchtheleft
wheelspeedtothepreviouslysetrightwheelspeed.
6.Adjustinquarter-turnincrementsuntilthemachine
tracksstraight.
Note:Onlyadjusttheleftcabletomatchtheleft
wheelspeedtotherightwheelspeed.Donotadjust
therightwheelspeedasthiswillpositiontheright
motion-controlleveroutofthecenterforthecontrol
panelneutral-lockslot.
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g017848
Figure57
1.Leftcableadjustment
3.Rightcableadjustment
2.Cablelock
7.Checkforpropertracking.
Note:Ifthemachinewillnotstartafteradjusting
thetracking,makesureproximityswitchtargetaligns
withboltattachedtomotion-controllever;referto
AdjustingtheProximitySwitch(page41).
8.Repeatthecableadjustmentuntilthetrackingis
correct.
9.Checkthatthemachinedoesnotcreepfromneutral
withtheparkbrakesdisengaged.
Important:Donotrotatethelinkagetoofar,asthis
maycausethemachinetocreepinneutral.
AdjustingtheProximitySwitch
Usethisprocedureifthemachinewillnotstartafteradjusting
thetracking.
1.Ensurethattheboltattachedtothemotion-control
leveralignswiththeproximityswitchtarget(Figure58).
2.Ifneeded,loosentheboltsandadjusttheproximity
switchuntilthetargetalignswiththeboltattachedto
themotion-controllever(Figure58).
3.Checkthedistanceofthebolttotheproximityswitch;
itneedstobebetween0.51to1.02mm(0.02to0.04
inches)asshowninFigure58.
4.Ifadjustmentisneeded,loosenthejamnutandadjust
thebolttothecorrectdistance.
5.Tightenthejamnutafteradjustingthebolt(Figure58).
6.Testthesafety-interlocksystembeforeoperation.
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