Mfg. Co. Inc. Lawn Mower User Manual

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.
1.Temperatureisincreasingoncoolant
temperaturegauge.
1.
RefertoCheckEngineCoolantLevel
sectionintheMaintenance.
2.Coolantlevelislow.
2.
RefertoCheckEngineCoolantLevel
sectionintheMaintenance.
3.Debrisonoraroundradiator.3.Removedebris.
4.Engineloadisexcessive.4.Reducethegroundspeed.
5.Oillevelinthecrankcaseislow.
5.Addoiltothecrankcase.
Engineoverheats.(Coolanttemperature
gaugeisapproachingtheredzoneorwarning
buzzeremitsbeep.)
6.Coolingnsandairpassagesforthe
engineareplugged.
6.Removetheobstructionsfromthecooling
nsandairpassages.
Mowerpullsleftorright(withleversfully
forward)
1.Tirepressureindrivetiresnotcorrect.1.Adjusttirepressureinthedrivetires.
1.Drivereleasehandlenotin“operating”
position.
1.Positionhandlein“operating”position;
seeDriveWheelReleaseValvessection
inOperation.
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.
51