Toro 74946 - Page 71

Problem
PossibleCauseCorrectiveAction
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.Thereisdirt,water,orstalefuelinthe
fuelsystem.
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.Theengineloadisexcessive.1.Reducethegroundspeed.
2.Theoillevelinthecrankcaseislow.2.Addoiltothecrankcase.
Theengineoverheats.
3.Thecoolingnsandtheairpassages
abovetheengineareplugged.
3.Removetheobstructionfromthe
coolingnsandtheairpassages.
1.Thetrackingneedsadjustment1.Adjustthetracking.
Themowerpullsleftorright(withlevers
fullyforward).
2.Thetirepressureisnotcorrectinthe
drivetires.
2.Adjusttirepressureinthedrivetires.
1.Thebypassvalvesarenotclosedtight.1.Tightenthebypassvalves.
2.Thepumpbeltisworn,looseorbroken.
2.Changethebelt.
3.Thepumpbeltisoffapulley.3.Changethebelt.
4.Theidlerspringisbrokenormissing.4.Replacethespring.
Themachinedoesnotdrive.
5.Thehydraulicoillevelislowortoohot.5.Addhydraulicoiltoreservoirsorletit
cooldown.
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