Toro 74721 - Page 48

Problem
PossibleCauseCorrectiveAction
1.Theengine-mountingboltsareloose.1.Tightentheengine-mountingbolts.
2.Theenginepulley,idlerpulley,orblade
pulleyisloose.
2.Tightentheappropriatepulley.
3.Theenginepulleyisdamaged.
3.ContactanAuthorizedServiceDealer.
4.Thecuttingblade(s)is/arebentor
unbalanced.
4.Installanewcuttingblade(s).
5.Ablade-mountingboltisloose.5.Tightentheblade-mountingbolt.
Thereisanabnormalvibration.
6.Abladespindleisbent.
6.ContactanAuthorizedServiceDealer.
1.Theblade(s)isnotsharp.1.Sharpentheblade(s).
2.Acuttingblade(s)is/arebent.2.Installanewcuttingblade(s).
3.Themowerisnotlevel.
3.Levelthemowerfromside-to-sideand
front-to-rear.
4.Ananti-scalpwheelisnotsetcorrectly.4.Adjusttheanti-scalpwheelheight.
5.Theundersideofthemowerisdirty.5.Cleantheundersideofthemower.
6.Thetirepressureisincorrect.6.Adjustthetirepressure.
Thecuttingheightisuneven.
7.Abladespindleisbent.
7.ContactanAuthorizedServiceDealer.
1.Thedrivebeltisworn,loose,orbroken.1.Installanewdrivebelt.
2.Thedrivebeltisoffthepulley.
2.Installthedrivebeltandcheckthe
adjustingshaftsandbeltguidesforthe
correctposition.
3.Thepower-takeoff(PTO)switchor
PTOclutchisfaulty.
3.ContactanAuthorizedServiceDealer.
Thebladesdonotrotate.
4.Themowerbeltisworn,loose,or
broken.
4.Installanewmowerbelt.
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