Problem
PossibleCauseCorrectiveAction
1.Bypassvalvesisnotclosedtight.1.Tightenthebypassvalves.
2.Pumpbeltisworn,looseorbroken.
2.Changethebelt.
3.Pumpbeltisoffapulley.3.Changethebelt.
4.Brokenormissingidlerspring.4.Replacethespring.
Themachinedoesnotdrive.
5.Hydraulicoillevelislowortoohot.5.Addhydraulicoiltoreservoirsorletit
cooldown.
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.
6.Bladespindleisbent.
6.ContactanAuthorizedServiceDealer.
Themachinesvibratesabnormally.
7.Motormountislooseorworn.
7.ContactanAuthorizedServiceDealer.
1.Blade(s)notsharp.1.Sharpentheblade(s).
2.Cuttingblade(s)is/arebent.2.Installnewcuttingblade(s).
3.Mowerdeckisnotlevel.
3.Levelmowerdeckfromside-to-side
andfront-to-rear.
4.Undersideofmowerisdirty.4.Cleantheundersideofthemower.
5.Tirepressureisnotcorrect.5.Adjustthetirepressure.
Themachinecutsgrassatanuneven
cuttingheight.
6.Bladespindlebent.
6.ContactanAuthorizedServiceDealer.
1.Mowerdeckbeltisworn,looseor
broken.
1.Installnewdeckbelt.
2.Mowerdeckbeltisoffpulley.
2.Installmowerdeckpulleyandcheck
theidlerpulley,idlerarmandspringfor
correctpositionandfunction.
3.Pumpdrivebeltisworn,looseor
broken.
3.Checkthebelttensionorinstallnew
belt.
Thebladesdonotrotate.
4.Brokenormissingidlerspring.4.Replacethespring.
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