Exmark QUEST SP - Engine Power, Steering, and Drive Issues; Cutting, Vibration, and Blade Rotation Issues

Troubleshooting
ProblemPossibleCauseCorrectiveAction
1.Engineloadisexcessive1.Reducethegroundspeed.
2.Aircleanerisdirty.
2.Cleanorreplacetheaircleanerelement.
3.Oillevelinthecrankcaseislow .
3.Addoiltothecrankcase.
4.Coolingnsandairpassagesforthe
engineareplugged.
4.Removetheobstructionsfromthecooling
nsandairpassages.
5.Dirtinfuellter.5.Replacethefuellter.
Enginelosespower
6.Dirt,water,orstalefuelisinthefuel
system.
6.ContactanAuthorizedServiceDealer.
Mowerpullsleftorright(withleversfully
forward)
1.Tirepressureindrivetiresnotcorrect.1.Adjusttirepressureinthedrivetires.
1.Drivewheelsystemnotin“operating”
position.
1.Positiondrivewheelsystemin“operating”
position;seeDriveWheelRelease
ValvessectioninOperation.
2.Driveorpumpbeltisworn,looseor
broken.
2.Changethebelt.
3.Driveorpumpbeltisoffapulley.3.Changethebelt.
4.Brokenormissingidlerspring.
4.Replacethespring.
Machinedoesnotdrive
5.Hydraulicuidlevelislowortoohot.5.Addhydraulicuidtoreservoirorletit
cooldown.
1.Blade(s)notsharp.1.Sharpentheblade(s).
2.Cuttingblade(s)is/arebent.
2.Installnewcuttingblade(s).
3.Mowerdeckisnotlevel.3.Levelmowerdeckfromside-to-sideand
front-to-rear.
4.Undersideofmowerisdirty.4.Cleantheundersideofthemower.
5.Tirepressureindrivetiresnotcorrect.5.Adjusttirepressureinthedrivetires.
6.Bladespindlebent.6.ContactanAuthorizedServiceDealer.
Unevencuttingheight.
7.Tipsofadjacentbladesareatanuneven
cuttingheight.Bladestipsshouldbeeven
within3/16inchwhichisapproximately
onebladethickness.
7.Replaceblades,spindlesand(or)check
fordamagetomowerdeck.
1.Cuttingblade(s)is/arebentorunbalanced.
1.Installnewcuttingblade(s).
2.Blademountingboltisloose.2.Tightentheblademountingbolt.
3.Enginemountingboltsareloose.3.Tightentheenginemountingbolts.
4.Looseenginepulley,idlerpulley,orblade
pulley.
4.Tightentheappropriatepulley.
5.Enginepulleyisdamaged.5.ContactanAuthorizedServiceDealer.
Abnormalvibration
6.Bladespindleisbent.6.ContactanAuthorizedServiceDealer.
1.Deckbeltisworn,looseorbroken.1.Installnewdeckbelt.
2.Deckbeltisoffpulley.2.Installbeltonclutchanddeckpulleys,
idlers,andtensioningidlerperrouting
decalondeck.
3.Brokenormissingidlerspring.
3.Replacethespring.
Bladesdonotrotate.
4.Deckbeltnotroutedcorrectly.4.Refertobeltroutingdecalondeck.
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