Toro 02611 HoverPro 550 - Troubleshooting Guide; Engine Start Issues; Performance Problems; Cutting Pattern Irregularities

Troubleshooting
Problem
PossibleCauseCorrectiveAction
1.Thewireisnotconnectedtothespark
plug.
1.Connectthewiretothesparkplug.
2.Thefuelcapventholeisplugged.2.Cleanthefuelcapventholeorreplace
thefuelcap.
3.Thesparkplugispitted,fouled,orthe
gapisincorrect.
3.Checkthesparkplugandadjustthe
gapifnecessary.Replacethespark
plugifitispitted,fouled,orcracked.
Theenginedoesnotstart
4.Thefueltankisemptyorthefuel
systemcontainsstalefuel.
4.Drainand/orllthefueltankwith
freshgasoline.Iftheproblempersists,
contactanAuthorizedServiceDealer.
1.Thefuelcapventholeisplugged.1.Cleanthefuelcapventholeorreplace
thefuelcap.
2.Theairlterelementisdirtyandis
restrictingtheairow.
2.Cleantheairlterpre-cleanerand/or
replacethepaperairlter.
3.Theundersideofthemachinehousing
containsclippingsanddebris.
3.Cleanunderthemachinehousing.
4.Thesparkplugispitted,fouled,orthe
gapisincorrect.
4.Checkthesparkplugandadjustthe
gapifnecessary.Replacethespark
plugifitispitted,fouled,orcracked.
5.Theengineoillevelistoolow,toohigh,
orexcessivelydirty.
5.Checktheengineoil.Changetheoilif
itisdirty;addordraintheoiltoadjust
theoilleveltotheFullmarkonthe
dipstick.
Theenginestartshardorlosespower
6.Thefueltankcontainsstalefuel.6.Drainandllthefueltankwithfresh
gasoline.
1.Thewireisnotconnectedtothespark
plug.
1.Connectthewiretothesparkplug.
2.Thesparkplugispitted,fouled,orthe
gapisincorrect.
2.Checkthesparkplugandadjustthe
gapifnecessary.Replacethespark
plugifitispitted,fouled,orcracked.
Theenginerunsrough
3.Theairlterelementisdirtyandis
restrictingtheairow.
3.Cleantheairlterpre-cleanerand/or
replacethepaperairlter.
1.Theundersideofthemachinehousing
containsclippingsanddebris.
1.Cleanunderthemachinehousing.
2.Theenginemountingboltsareloose.2.Tightentheenginemountingbolts.
3.Theblademountingboltloose.3.Tightentheblademountingbolt.
Themachineorenginevibrates
excessively
4.Thebladeisbentorisoutofbalance.4.Balancetheblade.Ifthebladeisbent,
replaceit.
1.Youaremowinginthesamepattern
repeatedly.
1.Changethemowingpattern.
2.Theundersideofthemachinehousing
containsclippingsanddebris.
2.Cleanunderthemachinehousing.
Thereisanunevencuttingpattern
3.Thebladeisdull.
3.Sharpenandbalancetheblade.
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