AdjustingtheMotionControlLinkage(NeutralSetting)(continued)
g336201
Figure72
1.Nut
1.Priortostartingtheengine,pushthedeckliftpedalandremovethe
height-of-cutpin.Lowerthedecktotheground.
2.Raisetherearofthemachineupandsupportwithjackstands(orequivalent
support)justhighenoughtoallowdrivewheelstoturnfreely.
3.Removetheelectricalconnectionfromtheseatsafetyswitch,locatedunder
thebottomcushionoftheseat.
Note:Theseatsafetyswitchisapartoftheseatassembly.
4.Temporarilyinstallajumperwireacrosstheterminalsintheconnectorof
themainharness.
5.Starttheengine.Runtheengineatfullthrottleandreleasetheparkingbrake.
Note:Ensurethattheparkingbrakeisengagedandthatthemotioncontrol
leversareinneutral(out)tostarttheengine,theoperatordoesnothaveto
bepresentintheseat.
6.Runthemachinefor5minuteswiththedriveleversinthefullforwardspeed
tobringhydraulicuiduptooperatingtemperature.
7.Bringthemotioncontrolleversintotheneutralposition.
Note:Themotioncontrolleversmustbeinneutralwhilemakingany
necessaryadjustments.
8.Checkandensurethatthecontrolplatetabstouchthereturn-to-neutral
platesonthehydraulicunits.
9.Adjustthepumpcontrolrodlengthsbyturningthenut(A)intheappropriate
directionuntilthewheelsslightlycreepinreverse.
10.Movethemotioncontrolleverstothereversepositionwhileapplyingslight
pressuretothelever.Allowtheneutralreturnspringstobringthelevers
backtoneutral.
Note:Thewheelsmuststopturningorslightlycreepinreverse.
11.Shutoffthemachine.
12.Removethejumperwirefromthewireharnessandplugtheconnectorinto
theseatswitch.
13.Lowertheunit.
DriveSystem:ServiceandRepairs
Page7–6
2000SeriesZMASTER®ServiceManual
3438-778RevA
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