Problem
PossibleCauseCorrectiveAction
1.Thehydraulic-uidreservoirislow.1.Addhydraulicuidtothereservoir.
2.Airisinthehydraulicsystem.2.Bleedtheairoutthehydraulicsystem.
3.Apump-drivebeltslips.3.Replacethepump-drivebelt.
4.Apump-drivebeltidlerspringis
missing.
4.Replacethepump-drivebeltidler
spring.
Themachinedoesnotdrive.
5.Thepump-bypassvalvesareopen.5.Tightenthebypassvalves.Torqueto
12to15N∙m(9to11ft-lb).
1.Cuttingblade(s)is/arebentor
unbalanced.
1.Installnewcuttingblade(s).
2.Ablade-mountingboltisloose.2.Tightentheblade-mountingbolt.
3.Theengine-mountingboltsareloose.3.Tightentheengine-mountingbolts.
4.Anenginepulley,idlerpulley,orblade
pulleyisloose.
4.Tightentheappropriatepulley.
5.Anenginepulleyisdamaged.
5.ContactanAuthorizedServiceDealer.
Thereisabnormalvibration.
6.Abladespindleisbent.
6.ContactanAuthorizedServiceDealer.
1.Blade(s)arenotsharp.1.Sharpentheblade(s).
2.Cuttingblade(s)is/arebent.2.Installnewcuttingblade(s).
3.Themowerdeckisnotlevel.3.Levelthemowerdeckside-to-side
position.
4.Themowerdeckpitchiswrong.
4.Adjustthefront-to-rearpitch.
5.Theundersideofmowerdeckisdirty.5.Cleantheundersideofthemower
deck.
6.Thetirepressureisnotcorrect.6.Adjustthetirepressure.
Thecuttingheightisuneven.
7.Abladespindleisbent.
7.ContactanAuthorizedServiceDealer.
1.Apump-drivebeltisworn,looseor
broken.
1.Checkthebelttension.
2.Apump-drivebeltisoffpulley.
2.Installthedrivebeltandcheckthe
adjustingshaftsandbeltguidesforthe
correctposition.
3.Amower-deckbeltisworn,looseor
broken.
3.Installthenewdeckbelt.
4.Amower-deckbeltisoffthepulley.
4.Installthedeckpulleyandcheckthe
idlerpulley,idlerarmandspringforthe
correctpositionandfunction.
5.Anidlerspringisbrokenormissing.5.Replacethespring.
6.Theelectricclutchisoutofadjustment.
6.Adjusttheclutchairgap.
7.Theclutchconnectororwireis
damaged.
7.ContactanAuthorizedServiceDealer.
8.Theelectricclutchisdamaged.
8.ContactanAuthorizedServiceDealer.
9.Thesafety-interlocksystemprevents
bladerotation.
9.ContactanAuthorizedServiceDealer.
Thebladesdonotrotate.
10.ThePTOswitchisfaulty.10.ContactanAuthorizedServiceDealer.
Themowerdeckidlerismakingnoise.1.Theidlerarmiscontactingtheidler
stop.
1.Adjusttheidlerarm.
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