Troubleshooting
Problem
PossibleCauseCorrectiveAction
1.Fueltankisempty.
1.Fillfueltankwithgasoline.
2.Chokeisnoton.
2.Movethechokelevertochokeposition.
3.Sparkplugwireislooseor
disconnected.
3.Installwireonsparkplug.
4.Sparkplugispitted,fouled,orthegap
isincorrect.
4.Installanew,correctlygappedspark
plug.
5.Aircleanerisdirty.
5.Servicetheaircleanerelement.
6.Dirtinthefuellter.6.Replacethefuellter.
7.Dirt,water,orstalefuelisinthefuel
system.
7.ContactanAuthorizedServiceDealer.
Enginewillnotstart,startshard,orfails
tokeeprunning.
8.Thegapbetweenthesafetyinterlock
switchesisnotcorrect.
8.ContactanAuthorizedServiceDealer.
1.Engineloadisexcessive.1.Reducethegroundspeed.
2.Aircleanerisdirty.
2.Servicetheaircleaner.
3.Oillevelinthecrankcaseislow.
3.Addoiltothecrankcase.
4.Coolingnsandairpassagesunder
theengineblowerhousingareplugged.
4.Removetheobstructionfromthe
coolingnsandairpassages.
5.Sparkplugispitted,fouled,orthegap
isincorrect.
5.Installanew,correctlygappedspark
plug.
6.Ventholeinthefuelcapisplugged.6.Cleanorreplacethefuelcap.
7.Dirtinthefuellter.7.Replacethefuellter.
Enginelosespower.
8.Dirt,water,orstalefuelisinthefuel
system.
8.ContactanAuthorizedServiceDealer.
1.Engineloadisexcessive.1.Reducethegroundspeed.
2.Oillevelinthecrankcaseislow.
2.Addoiltothecrankcase.
Engineoverheats.
3.Coolingnsandairpassagesunder
theengineblowerhousingareplugged.
3.Removetheobstructionfromthe
coolingnsandairpassages.
1.Hydraulicoilreservoirlow.1.Addhydraulicoiltothereservoir.
2.Airinthehydraulicsystem.2.Bleedtheairoutthehydraulicsystem.
3.Pumpdrivebeltslipping.3.Replacethepumpdrivebelt.
4.Pumpdrivebeltidlerspringmissing.4.Replacethepumpdrivebeltidler
spring.
Machinedoesnotdrive.
5.Pumpby-passvalvesareopen.5.Tightentheby-passvalves.T orqueto
110to130in-lb(12to15N-m).
1.Cuttingblade(s)is/arebentor
unbalanced.
1.Installnewcuttingblade(s).
2.Blademountingboltisloose.2.Tightentheblademountingbolt.
3.Enginemountingboltsareloose.3.Tightentheenginemountingbolts.
4.Looseenginepulley,idlerpulley,or
bladepulley.
4.Tightentheappropriatepulley.
5.Enginepulleyisdamaged.
5.ContactanAuthorizedServiceDealer.
Abnormalvibration.
6.Bladespindleisbent.
6.ContactanAuthorizedServiceDealer.
1.Blade(s)notsharp.1.Sharpentheblade(s).
2.Cuttingblade(s)is/arebent.2.Installnewcuttingblade(s).
3.Mowerdeckisnotlevel.3.Levelthemowerdeckside-to-side
position.
4.Mowerdeckpitchiswrong.
4.Adjustthefront-to-rearpitch.
5.Undersideofmowerdeckisdirty.5.Cleantheundersideofthemower
deck.
6.Tirepressureisnotcorrect.6.Adjustthetirepressure.
Unevencuttingheight.
7.Bladespindlebent.
7.ContactanAuthorizedServiceDealer.
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