Troubleshooting
Problem
PossibleCauseCorrectiveAction
1.Thefueltankisemptyorshut-offvalve
closed.
1.Fillfueltankwithgasolineandopen
valve
2.Thesparkplugwireislooseor
disconnected.
2.Installwireonsparkplug.
3.Thesparkplugispitted,fouled,orthe
gapisincorrect.
3.Installanew,correctlygappedspark
plug.
4.Theaircleanerisdirty.
4.Servicetheaircleanerelement.
5.Thereisdirtinthefuellter.5.Replacethefuellter.
6.Thereisdirt,water,orstalefuelisin
thefuelsystem.
6.ContactanAuthorizedServiceDealer.
Theenginewillnotstart,startshard,or
failstokeeprunning.
7.Thegapbetweenthesafetyinterlock
switchesisnotcorrect.
7.ContactanAuthorizedServiceDealer.
1.Theengineloadisexcessive.1.Reducethegroundspeed.
2.Theaircleanerisdirty.
2.Cleantheaircleanerelement.
3.Theoillevelinthecrankcaseislow.3.Addoiltothecrankcase.
4.Thecoolingnsandairpassages
abovetheengineareplugged.
4.Removetheobstructionfromthe
coolingnsandairpassages.
5.Theventholeinthefuelcapisplugged.5.Cleanorreplacethefuelcap.
6.Dirtisinthefuellter.6.Replacethefuellter.
Theenginelosespower.
7.Dirt,water,orstalefuelisinthefuel
system.
7.ContactanAuthorizedServiceDealer.
1.Theengineloadisexcessive.1.Reducethegroundspeed.
2.Theoillevelinthecrankcaseislow.2.Addoiltothecrankcase.
Theengineoverheats.
3.Thecoolingnsandairpassages
abovetheengineareplugged.
3.Removetheobstructionfromthe
coolingnsandairpassages.
1.Thebypassvalveisnotclosedtight.1.Tightenthebypassvalve.
2.Thedriveorpumpbeltisworn,loose
orbroken.
2.Changethebelt.
3.Thedriveorpumpbeltisoffapulley.3.Changethebelt.
4.Theidlerspringisbrokenormissing.4.Replacethespring.
Themachinedoesnotdrive.
5.Thehydraulicuidlevelislowortoo
hot.
5.Addhydraulicuidtothereservoiror
letitcooldown.
1.Thecuttingblade(s)is/arebentor
unbalanced.
1.Installnewcuttingblade(s).
2.Theblademountingboltisloose.2.Tightentheblademountingbolt.
3.Theenginemountingboltsareloose.3.Tightentheenginemountingbolts.
4.Theenginepulley,idlerpulley,orblade
pulleyisloose.
4.Tightentheappropriatepulley.
5.Theenginepulleyisdamaged.
5.ContactanAuthorizedServiceDealer.
6.Thebladespindleisbent.
6.ContactanAuthorizedServiceDealer.
Thereisanabnormalvibration.
7.Themotormountislooseorworn.
7.ContactanAuthorizedServiceDealer.
1.Thecuttingblade(s)is/arenotsharp.1.Sharpentheblade(s).
2.Thecuttingblade(s)is/arebent.2.Installnewcuttingblade(s).
3.Themowerdeckisnotlevel.
3.Levelthemowerdeckfromside-to-side
andfront-to-rear.
4.Theundersideofmowerisdirty.4.Cleantheundersideofthemower.
5.Thetirepressureisnotcorrect.5.Adjustthetirepressure.
Themachineisproducinganuneven
cuttingheight.
6.Thebladespindleisbent.
6.ContactanAuthorizedServiceDealer.
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