Toro 74523 - Checking the Wheel-Lug Nuts; Checking the Wheel-Hub Nuts; Cooling System Maintenance; Cleaning the Air-Intake Screen

CheckingtheWheel-LugNuts
ServiceInterval:Aftertherst100hours—Checkthe
wheel-lugnuts.
Checkandtorquethewheellugnutsto115to142N∙m(85
to105ft-lb).
CheckingtheWheel-HubNuts
ServiceInterval:Aftertherst100hours—Checkthe
wheel-hubnuts.
Every500hours—Checkthewheel-hubnuts.
Checkandtorquethewheelhubnutsto286to352N∙m(211
to260ft-lb).
CoolingSystem
Maintenance
CleaningtheAir-IntakeScreen
ServiceInterval:Beforeeachuseordaily
Beforeeachuse,removeanybuildupofgrass,dirt,or
otherdebrisfromthecylinderandcylinder-headcooling
ns,air-intakescreenontheywheelend,andthe
carburetor-governorleversandlinkage.Thishelpsensurethat
adequatecoolingandcorrectenginespeed,andreducesthe
possibilityofoverheatingormechanicaldamagetotheengine.
CleaningtheCoolingSystem
ServiceInterval:Every100hours—Checkandcleanthe
enginecoolingnsandshrouds.
1.DisengagethePTOandsettheparkingbrake.
2.Shutofftheengine,removethekey,andwaitforall
movingpartstostopbeforeleavingtheoperating
position.
3.Removetheair-intakescreenandfanhousing(Figure
64).
4.Cleanthedebrisandgrassfromtheengineparts.
5.Installtheair-intakescreenandthefanhousing(Figure
64).
Figure64
1.Guardandengine
air-intakescreen
3.Engine-oilcooler
2.Fanhousing
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