Troubleshooting
Problem
PossibleCauseCorrectiveAction
1.Thespark-plugwireislooseor
disconnected.
1.Installthewireonthesparkplug.
2.Thesparkplugiswet,pitted,fouled,or
thegapisincorrect.
2.Installanew,correctlygappedspark
plug.
3.Thefueltankisempty.3.Fillthefueltank.
4.Theairlterisdirty.4.Replacetheairlter.
5.Thereisdirtinfuellter.5.Replacethefuellter.
6.Thecarburetororfuellineisdirty.6.Cleanthecarburetororfuelline.
7.Thecarburetorisoutofadjustment.7.ContactanAuthorizedServiceDealer
8.TheengineswitchisintheOFF
posiiton.
8.MovetheswitchtotheONposition.
9.Dirt,water,orstalefuelisinfuel
system.
9.ContactanAuthorizedServiceDealer.
Theenginedoesnotstart.
10.Theengineswitchorwireisdefective.
10.Inspectandreplacedamagedparts.
1.Thesparkplugisfaulty.
1.Replacethesparkplug.
2.Theairlterisdirty.2.Replacetheairlter.
3.Thecarburetorisoutofadjustment.3.ContactanAuthorizedServiceDealer
4.Dirt,water,orstalefuelisinfuel
system.
4.ContactanAuthorizedServiceDealer.
Theenginerunspoorly.
5.Theenginecoolingsystemisclogged.
5.Cleanthedebrisscreenandengine
coolingfans.
1.Theenginecoolingsystemisclogged.
1.Cleanthedebrisscreenandengine
coolingfans.
2.Thecarburetorisoutofadjustment.2.ContactanAuthorizedServiceDealer
Theengineoverheats.
3.Theengine-oillevelislow.3.Addengineoil.
1.Theengineon/offswitchisdamaged.
1.Inspectandreplacedamagedparts
Theenginedoesnotshutoff.
2.Thewiredisconnectedfromtheengine
on/offswitch.
2.Inspect,repair,orreplacedamaged
parts.
Mowingperformanceispoor.
1.Themowerlinelengthistooshort.1.Usethecorrectlinelength.Whenthe
lineislessthanhalfthislength,replace
it.
1.Thecapscrewsforthemowerhead
areloose.
1.Tightenthecapscrewswiththe
L-handlewrench.
2.Themowerlinelengthsare
substantiallydifferent.
2.Adjustthemowerlinelengthsto
approximatelyequallengths.
3.Anutorboltisloose.
3.Checkallboltsandnuts,including
enginebolts.
Themowervibrates.
4.Themowerheadisbroken.4.Replacebrokenparts.
1.Themowerlineisnotproperly
attached.
1.Attachthemowerlinecorrectly.
2.Thelineretainerisbroken.2.Replacethemowerheadassembly.
Themowerheaddoesnotretainline.
3.Themowerlineisnotthecorrectsize.
3.
Useamowerlinewitha4mm(0.155
inch)diameter.
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