Toro GrandStand 74589 - Checking the Wheel-Lug Nuts; Checking the Wheel-Hub Nuts; Cooling System Maintenance; Cleaning the Air-Intake Screen

Figure67
1.Feelergauge
•Ifthegapislessthan0.25mm(0.01inch),
theninstalltheshim.
•Ifthegapissufcient,proceedtothesafety
checkinstepF.
F.Performthefollowingsafetycheck:
i.Sitontheseat,andstarttheengine.
ii.Makesurethebladesdonotengagewith
thePTOswitchintheoffpositionand
theclutchdisengaged.
Iftheclutchdoesnotdisengage,install
theshim.
iii.EngageanddisengagethePTOswitch10
consecutivetimestoensurethattheclutch
isfunctioningproperly.
CheckingtheWheel-LugNuts
ServiceInterval:Aftertherst100hours—Checkthe
wheel-lugnuts.
Checkandtorquethewheellugnutsto115-142N-m(85-105
ft-lb).
CheckingtheWheel-HubNuts
ServiceInterval:Aftertherst100hours—Checkthe
wheel-hubnuts.
Every500hours—Checkthewheel-hubnuts.
Checkandtorquethewheelhubnutsto211-260ft-lb
(286-352N-m).
CoolingSystem
Maintenance
CleaningtheAir-IntakeScreen
ServiceInterval:Beforeeachuseordaily
Beforeeachuse,removeanybuildupofgrass,dirt,or
otherdebrisfromthecylinderandcylinderheadcooling
ns,airintakescreenontheywheelend,andthe
carburetor-governorleversandlinkage.Thiswillhelpensure
adequatecoolingandcorrectenginespeed,andwillreduce
thepossibilityofoverheatingormechanicaldamagetothe
engine.
CleaningtheCoolingSystem
ServiceInterval:Every100hours—Checkandcleanthe
enginecoolingnsandshrouds.
1.DisengagethePTOandsettheparkingbrake.
2.Stoptheengine,removethekey,andwaitforallmoving
partstostopbeforeleavingtheoperatingposition.
3.Removetheair-intakescreenandfanhousing(Figure
68).
4.Cleanthedebrisandgrassfromtheengineparts.
5.Installtheair-intakescreen,therecoilstarter,andthe
fanhousing(Figure68).
g017741
1
2
3
Figure68
1.Guardandengine
air-intakescreen
3.Engine-oilcooler
2.Fanhousing
45