Exmark Lazer Z HP 565 User Manual download pdf (Page 35)

Maintenance

MotionControlLinkage

Adjustment

WARNING

Enginemustberunninganddrive

wheelsmustbeturningsomotioncontrol

adjustmentcanbeperformed.Contactwith

movingpartsorhotsurfacesmaycause

personalinjury

Keepngers,hands,andclothingclearof

rotatingcomponentsandhotsurfaces.

CAUTION

Raisingthemowerdeckforserviceor

maintenancerelyingsolelyonmechanical

orhydraulicjackscouldbedangerous.The

mechanicalorhydraulicjacksmaynotbe

enoughsupportormaymalfunctionallowing

theunittofall,whichcouldcauseinjury.

DoNotrelysolelyonmechanicalorhydraulic

jacksforsupport.Useadequatejackstands

orequivalentsupport

1.Thisadjustmentmustbemadewiththedrive

wheelsturning.Firstraisetheframeandblockup

sothatdrivewheelscanrotatefreely.

2.Removetheelectricalconnectionfromtheseat

safetyswitch,locateddirectlytotheleftoftheseat

switchassemblybesidethehydraulicoilreservoir.

3.Temporarilyinstallajumperwireacrossthe

terminalsintheconnectorofthemainwiring

harness.

4.Runtheunitatleast5minuteswiththedrive

leversatfullforwardspeedtobringhydraulic

systemoiluptooperatingtemperature.

5.Unhookseatlatchandtiltseatforward.

6.Loosenlocknutsfromtheballjointsateachend

oftheRHpumpcontrollinkage(Figure16).

Note:Thenutstotherearoftheunitoneach

rodhaveleft-handthreads.

Figure16

1.Turnbolthere

5.Endofslot

2.Reverseindicator

6.Loosenhere(right-hand

thread)

3.Loosenhere7.Turnheretoadjust

4.Yoke

8.Loosenhere(left-hand

thread)

7.Startengine.Brakemustbeengagedand

motioncontrolleversouttostartengine.

Operatordoesnothavetobeintheseat

becauseofthejumperwirebeingused.Run

engineatfullthrottleandreleasebrake.

8.Thereverseindicatorspringmustbecorrect

beforethefollowingadjustmentscanbemade.

SeetheReverseIndicatorAdjustmentsection.

Note:Themotioncontrolleverneedstobein

neutralwhilemakinganynecessaryadjustments.

9.Bringthemotioncontrolleverintotheneutral

position.AdjustRHpumpcontrolrodlength

byrotatingthedoublenutsontherodinthe

appropriatedirectionuntilthewheelsslightly

creepinreverse(Figure16).Movethemotion

controllevertothereversepositionandwhile

applyingslightpressuretothelever,allowthe

reverseindicatorspringtobringtheleversbackto

neutral.Thewheelmuststopturningorslightly

creepinreverse.

Theleftrodassemblycontrolstheleftwheeland

therightrodassemblycontrolstherightwheel.

10.AdjustmentfortheRHmotioncontrollever:

BringtheRHmotioncontrolleverintothe

neutralposition.

BringtheLHmotioncontrolleverintothe

neutralposition.AdjusttheLHpumpcontrolrod

lengthbyrotatingthetrackingadjustmentknobin

theappropriatedirectionuntilthewheelsslightly

creepinreverse.Movethemotioncontrollever

tothereversepositionandwhileapplyingslight

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