Service Manual
GeneralTroubleshooting(continued)
Problem
PossibleCauseCorrectiveAction
Theengineloadisexcessive.Reducethegroundspeedorraise
height-of-cut.
Theoillevelinthecrankcaseislow.Addoiltothecrankcase.
Theengineoverheats
Thecoolingnsandtheairpassages
abovetheengineareplugged.
Removetheobstructionandthoroughly
cleancoolingnsandtheairpassages.
Thetrackingneedsadjustment.
Adjustthetracking.ViewtheOperator’s
Manualfortheprocedure.
Smartspeedshiftforksarenotbothon
themotioncontrollinkage.
Removethesmartspeedshiftfork
realignandinstall.
Themowerpullstotheleftorright
(withleversfullyforward)
Thetirepressureinthedrivetiresis
notcorrect.
Adjustthetirepressureinthedrive
tires.
Thebypassrodsareinthemanual
moveposition.
Placethebypassrodsintothedrive
position.
Thedrivebeltisworn,loose,offa
pulley,orbroken.
Replacethedrivebelt.
Thetensionerspringisbrokenor
missing.
Replacethespring.
Themachinedoesnotdrive
Thehydraulicoillevelislowinthe
transaxle.
Addhydraulicoiltothetransaxle.
Thecuttingblade(s)is/arebentor
unbalanced.
Installnewcuttingblade(s).
Theblademountingboltisloose.Tightentheblademountingbolt.
Theenginemountingboltsareloose.Tightentheenginemountingbolts.
Theenginepulley,idlerpulley,orblade
pulleyisloose.
Tightentheappropriatepulley,check
tomakesureidlerspringsarenotover
stretched.
Theenginepulleyisdamaged.Replacetheenginepulley.
Thebladespindleisbent.Replacethespindle.
Themachinevibratesabnormally
Themotormountislooseorworn.
Checkthemountingbolts.
Theblade(s)arenotsharp.Sharpentheblade(s).
Thecuttingblade(s)arebent.Installnewcuttingblade(s).
Themowerdeckisnotlevel.
Levelthemowerdeckfromside-to-side
andfront-to-rear.
Theundersideofmowerisdirty.Cleantheundersideofthemower.
Thetirepressureisnotcorrect.Adjustthetirepressure.
Themachineproducesanuneven
cuttingheight
Thebladespindleisbent.Replacethespindle.
Themowerdeckbeltisdamaged,
worn,loose,orbroken.
Installanewdeckbelt.
Themowerdeckbeltisoffthepulley.
Installthemowerbeltonthedeck
pulleyandchecktheidlerpulley,idler
arm,andspringforcorrectpositionand
function.
Thebladesdonotrotate
Theidlerspringisbrokenormissing.Replacethespring.
Troubleshooting:GeneralTroubleshooting
Page3–4
TIMECUTTER®ServiceManual
3433-938RevA