Toro 74523 - Troubleshooting

Troubleshooting
Problem
PossibleCauseCorrectiveAction
1.Thefueltankisemptyortheshutoff
valveisclosed.
1.Fillthefueltankwithgasolineand
openthevalve
2.Aspark-plugwireislooseor
disconnected.
2.Installthewireonsparkplug.
3.Asparkplugispitted,fouled,orthe
gapisincorrect.
3.Installanew,correctlygappedspark
plug.
4.Theaircleanerisdirty.
4.Servicetheair-cleanerelement.
5.Dirtisinthefuellter.5.Replacethefuellter.
6.Dirt,water,orstalefuelisinthefuel
system.
6.ContactanAuthorizedServiceDealer.
Theenginedoesnotstart,startshard,or
failstokeeprunning.
7.Thegapbetweenthesafety-interlock
switchesisnotcorrect.
7.ContactanAuthorizedServiceDealer.
1.Theengineloadisexcessive.1.Reducethegroundspeed.
2.Theaircleanerisdirty.
2.Servicetheaircleanerelement.
3.Theoillevelinthecrankcaseislow.3.Addoiltothecrankcase.
4.Thecoolingnsandairpassages
undertheengineblowerhousingare
plugged.
4.Removetheobstructionfromthe
coolingnsandairpassages.
5.Asparkplugispitted,fouled,orthe
gapisincorrect.
5.Installanew,correctlygappedspark
plug.
6.Theventholeinthefuelcapisplugged.6.Cleanorreplacethefuelcap.
7.Dirtisinthefuel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.Thehydraulic-oilreservoirislow.1.Addhydraulicoiltothereservoir.
2.Airisinthehydraulicsystem.2.Bleedtheairoutthehydraulicsystem.
3.Apump-drivebeltslips.3.Replacethepumpdrivebelt.
4.Apump-drivebeltidlerspringis
missing.
4.Replacethepumpdrivebeltidler
spring.
Themachinedoesnotdrive.
5.Thepump-bypassvalvesareopen.5.Tightenthebypassvalves.Torqueto
12to15N∙m(9to11ft-lb).
1.Cuttingblade(s)is/arebentor
unbalanced.
1.Installnewcuttingblade(s).
2.Ablade-mountingboltisloose.2.Tightentheblade-mountingbolt.
3.Theengine-mountingboltsareloose.3.Tightentheengine-mountingbolts.
4.Anenginepulley,idlerpulley,orblade
pulleyisloose.
4.Tightentheappropriatepulley.
5.Anenginepulleyisdamaged.
5.ContactanAuthorizedServiceDealer.
Thereisabnormalvibration.
6.Abladespindleisbent.
6.ContactanAuthorizedServiceDealer.
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