Toro 74946 - Cooling System Maintenance; Servicing the Engine-Oil Cooler; Cleaning the Engine Screen; Cleaning the Engine-Cooling Fins and Shrouds

CoolingSystem
Maintenance
ServicingtheEngine-Oil
Cooler
ServiceInterval:Every150hours
1.Removethetopmountingscrewandloosenthe2side
screws(Figure71).
2.Removetheshroud(Figure71).
3.Cleantheengine-oilcoolerwithcompressedair(Figure
71).
4.Installtheshroudandthescrews(Figure71).
G015199
1
2 1
3
Figure71
1.Shroudscrews
3.Engine-oilcooler
2.Shroud
CleaningtheEngineScreen
ServiceInterval:Beforeeachuseordaily
Beforeeachuse,removeanybuildupofgrass,dirt,orother
debrisfromtheenginescreen.Thishelpsensureadequate
cooling,correctenginespeed,andreducesthepossibilityof
overheatingandmechanicaldamagetotheengine.
CleaningtheEngine-Cooling
FinsandShrouds
ServiceInterval:Every150hours/Yearly(whichevercomes
rst)
1.Disengagetheblade-controlswitchPTOandsetthe
parkingbrake.
2.Stoptheengine,removethekey,andwaitforallmoving
partstostopbeforeleavingtheoperatingposition.
3.Removetherightshroudbyremovingthetopmounting
screwandlooseningthe2sidescrews(Figure72).
G016905
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2 1
Figure72
1.Shroudscrews
2.Rightshroud
4.Removethetopmountingscrewandloosenthe2side
screwsontheleftshroud.
5.Pullupandremovetheleftshroud,feedingitout
aroundthefuelpumpandbracket.
6.Removethe2screwsontheleftandrightsidesinthe
cooling-fanhousing(Figure73).
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