Toro 74310 - Page 57

Problem
PossibleCauseCorrectiveAction
1.Thebypassvalveisnotclosedtight.1.Tightenthebypassvalve.
2.Thedriveorpumpbeltisworn,loose
orbroken.
2.Changethebelt.
3.Thedriveorpumpbeltisoffapulley.3.Changethebelt.
4.Theidlerspringisbrokenormissing.4.Replacethespring.
Themachinedoesnotdrive.
5.Thehydraulicuidlevelislowortoo
hot.
5.Addhydraulicuidtoreservoirorletit
cooldown.
1.Thecuttingblade(s)is/arebentor
unbalanced.
1.Installnewcuttingblade(s).
2.Theblademountingboltisloose.2.Tightentheblademountingbolt.
3.Theenginemountingboltsareloose.3.Tightentheenginemountingbolts.
4.Thereisalooseenginepulley,idler
pulley,orbladepulley.
4.Tightentheappropriatepulley.
5.Theenginepulleyisdamaged.
5.ContactanAuthorizedServiceDealer.
6.Thebladespindleisbent.
6.ContactanAuthorizedServiceDealer.
Themachinevibratesabnormally.
7.Thebeltisdamaged.7.Installnewbelt.
1.Theblade(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.Thetirepressureindrivetiresnot
correct.
5.Adjustthetirepressureinthedrive
tires.
6.Thespacersareinthewronglocation.6.Positionthespacersunderhairpins.
Themachineproducesanunevencutting
height.
7.Thetipsofadjacentbladesareatan
unevencuttingheight.Bladestips
shouldbeevenwithin3/16inchwhich
isapproximatelyonebladethickness.
7.Replaceblades,spindlesand(or)
checkfordamagetomowerdeck.
1.ThePTObeltisworn,loose,orbroken.1.Checkthebelttensionorreplacebelt
2.ThePTOshaftisnotconnected.2.ConnectthePTOshaft.
Thebladesdonotrotate.
3.ThePTObeltisoffpulley.3.Checkthebeltfordamage.Installthe
beltandcheckadjustingshaftsand
beltguidesforcorrectposition.
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