Toro GrandStand 74505 - Troubleshooting; Engine Starting Issues; Engine Power Loss; Engine Overheating

Troubleshooting
Problem
PossibleCauseCorrectiveAction
1.Thefueltankisemptyortheshutoff
valveisclosed.
1.Fillthefueltankwithgasolineand
openthevalve
2.Thechokeisnoton.
2.MovethechokelevertotheCHOKE
position.
3.Aspark-plugwireislooseor
disconnected.
3.Installthewireonsparkplug.
4.Asparkplugispitted,fouled,orthe
gapisincorrect.
4.Installanew,correctlygappedspark
plug.
5.Theaircleanerisdirty.
5.Servicetheaircleanerelement.
6.Dirtisinthefuellter.6.Replacethefuellter.
7.Dirt,water,orstalefuelisinthefuel
system.
7.ContactanAuthorizedServiceDealer.
Theenginedoesnotstart,startshard,or
failstokeeprunning.
8.Thegapbetweenthesafety-interlock
switchesisnotcorrect.
8.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.Engineloadisexcessive.1.Reducethegroundspeed.
2.Oillevelinthecrankcaseislow.
2.Addoiltothecrankcase.
Theengineoverheats.
3.Coolingnsandairpassagesunder
theengineblowerhousingareplugged.
3.Removetheobstructionfromthe
coolingnsandairpassages.
1.Thehydraulic-oilreservoirislow.
1.Addhydraulicuidtothereservoir.
2.Airisinthehydraulicsystem.2.Bleedtheairoutthehydraulicsystem.
3.Apump-drivebeltslips.3.Replacethepumpdrivebelt.
4.Apump-drivebeltidlerspringis
missing.
4.Replacethepumpdrivebeltidler
spring.
Themachinedoesnotdrive.
5.Pumpbypassvalvesareopen.5.Tightenthebypassvalves.T orqueto
12to15N∙m(9to11ft-lb).
1.Cuttingblade(s)is/arebentor
unbalanced.
1.Installnewcuttingblade(s).
2.Ablade-mountingboltisloose.2.Tightentheblademountingbolt.
3.Enginemountingboltsareloose.3.Tightentheenginemountingbolts.
4.Anenginepulley,idlerpulley,orblade
pulleyisloose.
4.Tightentheappropriatepulley.
5.Anenginepulleyisdamaged.
5.ContactanAuthorizedServiceDealer.
Thereisabnormalvibration.
6.Abladespindleisbent.
6.ContactanAuthorizedServiceDealer.
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