Exmark 4500-370 - Troubleshooting

Troubleshooting
Troubleshooting
Important:Itisessentialthatalloperatorsafetymechanismsbeconnectedandinproperoperating
conditionpriortomoweruse.
Whenaproblemoccurs,donotoverlookthesimplecauses.Forexample:startingproblemscouldbecaused
byanemptyfueltank.
Thefollowingtablelistssomeofthecommoncausesoftrouble.DoNotattempttoserviceorreplacemajor
itemsoranyitemsthatcallforspecialtimingofadjustmentsprocedures(suchasvalves,governor,etc.).Have
thisworkdonebyyourEngineServiceDealer.
Note:WhendisconnectingelectricalconnectorsDoNotpullonthewirestoseparatetheconnectors.
ProblemPossibleCauseCorrectiveAction
1.Blade(s)notsharp.1.Sharpentheblade(s).
2.Cuttingblade(s)is/arebent.
2.Installnewcuttingblade(s).
3.Mowerdeckisnotlevel.3.Levelmowerdeckfromside-to-sideand
front-to-rear.
4.Undersideofmowerisdirty.4.Cleantheundersideofthemower.
5.Tirepressureindrivetiresnotcorrect.5.Adjusttirepressureinthedrivetires.
6.Spacersareinwronglocation.
6.Positionspacersunderhairpins.
Unevencuttingheight.
7.Tipsofadjacentbladesareatanuneven
cuttingheight.Bladestipsshouldbeeven
within3/16inchwhichisapproximately
onebladethickness.
7.Replaceblades,spindlesand(or)check
fordamagetomowerdeck.
1.Cuttingblade(s)is/arebentorunbalanced.
1.Installnewcuttingblade(s).
2.Blademountingboltisloose.2.Tightentheblademountingbolt.
3.Enginemountingboltsareloose.3.Tightentheenginemountingbolts.
4.Enginepulleyisdamaged.4.ContactanAuthorizedServiceDealer.
Abnormalvibration.
5.Bladespindleisbent.5.ContactanAuthorizedServiceDealer.
1.PTObeltisworn,loose,orbroken.1.Checkbelttensionorreplacebelt
2.PTOshaftisnotconnected.
2.ConnectPTOshaft.
BladesDoNotrotate.
3.PTObeltisoffpulley.3.Checkbeltfordamage.Installbeltand
checkadjustingshaftsandbeltguidesfor
correctposition.
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