Toro XLS 420T - Troubleshooting

Troubleshooting
Problem
PossibleCauseCorrectiveAction
1.Thebladecontrol(PTO)isengaged.1.Disengagethebladecontrol(PTO).
2.Thetransmissiondrivecontrolisinthe
Pushposition.
2.Movethetransmissiondrivecontrolto
theOperateposition.
3.Thebatteryisdead.
3.Chargethebattery.
4.Theelectricalconnectionsarecorroded
orloose.
4.Checktheelectricalconnectionsfor
goodcontact.
5.Afuseisblown.5.Replacethefuse.
Thestarterdoesnotcrank.
6.Arelayorswitchisdamaged.
6.ContactanAuthorizedServiceDealer.
1.Thefueltankisempty.1.Fillthefueltankwithgasoline.
2.Theaircleanerisdirty.
2.Cleanorreplacetheaircleaner
element.
3.Thesparkplugwireislooseor
disconnected.
3.Connectthewiretosparkplug.
4.Thesparkplugispitted,fouled,orthe
gapisincorrect.
4.Installanew,correctlygappedspark
plug.
5.Thechokeisnotclosing.5.Adjustthechokecable.
6.Thereisdirtinthefuellter.6.Replacethefuellter.
7.Theidlespeedistooloworthemixture
isincorrect.
7.ContactanAuthorizedServiceDealer.
Theenginewillnotstart,startshard,or
failstokeeprunning.
8.Dirt,water,orstalefuelisinthefuel
system.
8.ContactanAuthorizedServiceDealer.
1.Theengineloadisexcessive.1.Reducethegroundspeed.
2.Theaircleanerisdirty.
2.Cleantheaircleanerelement.
3.Theoillevelinthecrankcaseislow.3.Addoiltothecrankcase.
4.Thecoolingnsandairpassages
undertheengineblowerhousingare
plugged.
4.Removetheobstructionfromthe
coolingnsandairpassages.
5.Thesparkplugispitted,fouled,orthe
gapisincorrect.
5.Installanew,correctlygappedspark
plug.
6.Theventholeinthefuelcapisplugged.6.Cleanorreplacethefuelcap.
7.Thereisdirtinfuellter.7.Replacethefuellter.
Theenginelosespower.
8.Dirt,water,orstalefuelisinthefuel
system.
8.ContactanAuthorizedServiceDealer.
1.Theengineloadisexcessive.1.Reducethegroundspeed.
2.Theoillevelinthecrankcaseislow.2.Addoiltothecrankcase.
Theengineoverheats.
3.Thecoolingnsandairpassages
undertheengineblowerhousingare
plugged.
3.Removetheobstructionfromthe
coolingnsandairpassages.
1.Thebladesarebentorunbalanced.1.Installnewblades.
2.Theblademountingboltisloose.2.Tightentheblademountingbolt.
3.Theenginemountingboltsareloose.3.Tightentheenginemountingbolts.
4.Thereisalooseenginepulley,idler
pulley,orbladepulley.
4.Tightentheappropriatepulley.
Thereisanabnormalvibration.
5.Theenginepulleyisdamaged.
5.ContactanAuthorizedServiceDealer.
1.Thebladedrivebeltisworn,loose,or
broken.
1.Installanewbladedrivebelt. Thebladesdonotrotate.
2.Thebladedrivebeltisoffofthepulley.
2.Installthebladedrivebeltandcheck
theidlerpulleyandbeltguidesforthe
correctposition.
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