Toro 74490 User Manual

Troubleshooting
Problem
PossibleCauseCorrectiveAction
1.Theengineloadisexcessive.1.Reducethegroundspeed.
2.Theoillevelinthecrankcaseislow.2.Addoiltothecrankcase.
3.Thecoolingnsandairpassages
undertheengine-blowerhousingare
plugged.
3.Removetheobstructionfromthe
coolingnsandairpassages.
4.Theaircleanerisdirty.
4.Cleanorreplacetheair-cleaner
element.
Theengineoverheats.
5.Dirt,water,orstalefuelisinthefuel
system.
5.ContactanAuthorizedServiceDealer
1.Theblade-controlswitchisengaged.1.Disengagetheblade-controlswitch.
2.Themotion-controlleversarenotin
theNEUTRAL-LOCKposition.
2.Movethemotion-controllevers
outwardtotheNEUTRAL-LOCKposition.
3.Thebatteryisdead.
3.Chargethebattery.
4.Theelectricalconnectionsare
corrodedorloose.
4.Checktheelectricalconnectionsfor
goodcontact.
5.Afuseisblown.5.Replacethefuse.
Thestarterdoesnotcrank.
6.Arelayorswitchisdamaged.
6.ContactanAuthorizedServiceDealer.
1.Thefueltankisempty.1.Fillthefueltank.
2.Thefuel-shutoffvalveisclosed.2.Openthefuel-shutoffvalve.
3.Theoillevelinthecrankcaseislow.3.Addoiltothecrankcase.
4.Thethrottleisnotinthecorrect
position.
4.Besurethatthethrottlecontrolis
midwaybetweentheslowandfast
positions.
5.Thereisdirtinthefuellter.5.Replacethefuellter.
6.Dirt,water,orstalefuelisinfuel
system.
6.ContactanAuthorizedServiceDealer.
7.Theaircleanerisdirty.
7.Cleanorreplacetheair-cleaner
element.
8.Theseatswitchisnotfunctioning
properly.
8.Checktheseat-switchindicator.
Replacetheseatifnecessary.
9.Theelectricalconnectionsare
corroded,loose,ordamaged.
9.Checktheelectricalconnections
forgoodcontact.Cleanthe
connectorterminalsthoroughlywith
electrical-contactcleaner,apply
dielectricgrease,andmakethe
appropriateconnections.
10.Therelayorswitchiswornor
damaged.
10.ContactanAuthorizedServiceDealer.
11.Thesparkplugisfouledorimproperly
gapped.
11.Adjustorreplacethesparkplug.
Theenginedoesnotstart,startshard,or
failstokeeprunning.
12.Thespark-plugwireisnotconnected.
12.Checkthespark-plugwireconnection.
1.Theengineloadisexcessive.1.Reducethegroundspeed.
2.Theaircleanerisdirty.
2.Cleantheair-cleanerelement.
3.Theoillevelinthecrankcaseislow.3.Addoiltothecrankcase.
4.Thecoolingnsandtheairpassages
abovetheengineareplugged.
4.Removetheobstructionfromthe
coolingnsandtheairpassages.
5.
Theventholeinthefuelcapisplugged.
5.
Cleanorreplacethefuelcap.
6.Thereisdirtinthefuellter.6.Replacethefuellter.
Theenginelosespower.
7.Thereisdirt,water,orstalefuelinthe
fuelsystem.
7.ContactanAuthorizedServiceDealer.
1.Thetrackingneedsadjustment1.Adjustthetracking.
Themowerpullstotheleftorright(with
leversfullyforward)
2.Thetirepressureinthedrivetiresis
notcorrect.
2.Adjustthetirepressureinthedrive
tires.
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Toro 74490 Specifications

General

Model	74490
Engine	Toro 163cc
Engine Displacement	163 cc
Cutting Width	22 inches
Start Type	Pull Start
Deck Material	Steel
Cutting Height	1 to 4 inches
Weight	81 lbs
Mulching Capability	Yes
Bagging Capability	Yes
Side Discharge Capability	Yes
Drive Type	Self-Propelled
Drive System	Rear-Wheel Drive