Mfg. Co. Inc. Lawn Mower User Manual

Maintenance
2.Slidethecoverplatebackwardorforwardto
adjustthetraveloftheleverandtightenthe
screws.
3.Drivethemachineandcheckthefullforward
tracking.
4.Repeatsteps1through3untildesiredtracking
isobtained.
Figure28
1.Controlarmshaft
3.Trackingplate
2.Trackingplatenut
MotionControlLinkage
Adjustment
Locatedoneithersideoftheunit,belowtheseatare
thepumpcontrollinkages.Rotatingtheturnbuckle
witha1/2inchwrenchallowsnetuningadjustments
sothatthemachinedoesnotmoveinneutral.Any
adjustmentsshouldbemadeforneutralpositioning
only.
WARNING
Enginemustberunninganddrivewheelsmust
beturningsoadjustmentscanbeperformed.
Contactwithmovingpartsorhotsurfacesmay
causepersonalinjury.
Keepngers,hands,andclothingclearof
rotatingcomponentsandhotsurfaces.
1.Priortostartingtheengine,pushthedecklift
pedalandremovetheheightofcutpin.Lower
decktotheground.
2.Raisetherearofmachineupandsupportwith
jackstands(orequivalentsupport)justhigh
enoughtoallowdrivewheelstoturnfreely.
3.Removetheelectricalconnectionfromtheseat
safetyswitch,locatedunderthebottomcushion
oftheseat.Theswitchisapartoftheseat
assembly.
4.Temporarilyinstallajumperwireacrossthe
terminalsintheconnectorofthemainwiring
harness.
5.Startengine.Brakemustbeengagedand
motioncontrolleversouttostartengine.
Operatordoesnothavetobeintheseat.Run
engineatfullthrottleandreleasebrake.
6.Runtheunitatleast5minuteswiththedrive
leversatfullforwardspeedtobringhydraulicoil
uptooperatingtemperature.
Note:Themotioncontrolleverneedstobein
neutralwhilemakinganynecessaryadjustments.
7.Bringthemotioncontrolleversintotheneutral
position.Thecontrolplatetabsshouldtouchthe
returntoneutralplatesonthehydros.Adjust
pumpcontrolrodlengthsbylooseningthenuts
androtatingtheturnbuckleintheappropriate
directionuntilthewheelsslightlycreepinreverse
(
Figure29).Movethemotioncontrolleverstothe
reversepositionandwhileapplyingslightpressure
totheleverallowthereverseindicatorspringsto
bringtheleversbacktoneutral.Thewheelsmust
stopturningorslightlycreepinreverse.
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