Mfg. Co. Inc. Lawn Mower User Manual
Troubleshooting
Troubleshooting
Important:Itisessentialthatalloperatorsafetymechanismsbeconnectedandinproperoperating
conditionpriortomoweruse.
Whenaproblemoccurs,DoNotoverlookthesimplecauses.Forexample:startingproblemscouldbe
causedbyanemptyfueltank.
Thefollowingtablelistssomeofthecommoncausesoftrouble.Ifaproblemcontinues,contactanAuthorized
ServiceDealer.
ProblemPossibleCauseCorrectiveAction
1.Fueltankisempty.1.Fillthefueltank.
2.Fuelshut-offvalveisclosed.
2.Openthefuelshut-offvalve.
3.Thethrottleleverisnotinthecorrect
position.
3.MovethethrottlelevertotheChoke
position.
4.Dirt,water,orstalefuelisinthefuel
system.
4.ContactanAuthorizedServiceDealer.
5.Faultysparkplug.
5.Clean,adjustorreplacesparkplug.
Enginewillnotstart,startshard,orfailsto
keeprunning.
6.Sparkplugwireisnotconnected.
6.Checkthesparkplugwireconnection.
1.Aircleanerisdirty.
1.Cleanorreplacetheaircleanerelement.
2.Oillevelinthecrankcaseislow.
2.Addoiltothecrankcase.
3.Ventholeinthefuelcapisplugged.
3.Cleanorreplacethefuelcap.
4.Dirtinfuellter.4.Replacethefuellter.
5.Dirt,water,orstalefuelisinthefuel
system.
5.ContactanAuthorizedServiceDealer.
Enginelosespower.
6.Theundersideofthelawnmowerdeck
containsclippingsanddebris
6.Cleantheundersideofthelawnmower
deck.
1.Thewireisnotconnectedtothespark
plug.
1.Connectthewiretothesparkplug.
2.Faultysparkplug.
2.Clean,adjustorreplacesparkplug.
3.ThethrottleleverisnotintheFast
position.
3.MovethethrottlelevertotheFast
position.
Enginerunsrough.
4.Theairlterelementisdirtyandis
restrictingtheairow.
4.Cleantheairlterpre-cleanerand/or
replacethepaperairlter.
1.Thebladeisbentorisoutofbalance.1.Balancetheblade.Ifthebladeisbent,
replaceit.
2.Theblademountingboltisloose.2.Tightentheblademountingbolt.
3.Theundersideofthelawnmowerdeck
containsclippingsanddebris.
3.Cleantheundersideofthelawnmower
deck.
Lawnmowerorenginevibratesexcessively.
4.Theenginemountingboltsareloose.4.Tightentheenginemountingbolts.
1.Allfourwheelsarenotatthesameheight.
1.Placeallfourwheelsatthesameheight.
2.Thebladeisdull.2.Sharpenandbalancetheblade.
3.Mowinginthesamepatternrepeatedly.
3.Changethemowingpattern.
Unevencuttingpattern.
4.Theundersideofthelawnmowerdeck
containsclippingsanddebris.
4.Cleantheundersideofthelawnmower
deck.
1.ThethrottleleverisnotintheFast
position.
1.MovethethrottlelevertotheFast
position.
2.Cuttingtoomuchgrassinonepass2.Raisethecuttingheight.Ifnecessary,cut
secondtimeatlowercuttingheight.
3.Mowingtoofast.
3.Slowdown.
4.Thegrassiswet.
4.Allowthegrasstodrybeforemowing.
Dischargechuteplugs
5.Theundersideofthelawnmowerdeck
containsclippingsanddebris.
5.Cleantheundersideofthelawnmower
deck.
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