Exmark VIKING 408 - Page 43

Troubleshooting
ProblemPossibleCauseCorrectiveAction
1.Trackingneedsadjustment.1.Adjustthetrackingbyturningknob
ontherighthydrocontrollinkagein
thedirectionthatthemowerneedsto
beadjustedto.Turntheknobin1/4
turnincrementsuntilthemowertracks
correctly.
Mowerpullsleftorright(withleversfully
forward).
2.Tirepressureindrivetiresnotcorrect.2.Adjusttirepressureinthedrivetires.
1.Bypassvalveisnotclosedtight.1.Tightenthebypassvalve.
2.Driveorpumpbeltisworn,looseor
broken.
2.Changethebelt.
Machinedoesnotdrive.
3.Driveorpumpbeltisoffapulley.3.Changethebelt.
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.Bladespindlebent.6.ContactanAuthorizedServiceDealer.
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.Looseenginepulley,idlerpulley,orblade
pulley.
4.Tightentheappropriatepulley.
5.Enginepulleyisdamaged.5.ContactanAuthorizedServiceDealer.
6.Bladespindleisbent.6.ContactanAuthorizedServiceDealer.
Abnormalvibration
7.
Beltisdamaged.
7.
Installnewbelt.
1.Deckbeltisworn,looseorbroken.1.Installnewdeckbelt.
Bladesdonotrotate.
2.Deckbeltisoffpulley.2.Installdeckpulleyandchecktheidler
pulley,idlerarmandspringforcorrect
positionandfunction.
1.Bladebrakeisnotadjustedproperly.1.Adjustbladebrake.
2.Beltguideisnotproperlyset2.Adjustbeltguidetoproperposition.
Bladesdonotstopwhendisengaged.
3.PTOengagementisnotproperlyset.3.CheckthePTOengagementposition.
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