Toro Workman 07390 - Engine Maintenance Procedures

•DriveshaftU-joints(2);refertoFigure39
•Slidingyolk(1);refertoFigure39
g025546
Figure39
EngineMaintenance
EngineSafety
•Shutofftheengine,removethekey,andwaitfor
allmovingpartstostopbeforecheckingtheoilor
addingoiltothecrankcase.
•Keepyourhands,feet,face,clothing,andother
bodypartsawayfromthemuferandotherhot
surfaces.
ServicingtheAirFilter
ServiceInterval:Every25hours—Removethe
air-cleanercoverandcleanoutthe
debris.
Every100hours—Changetheair-cleanerlter
(morefrequentlyindustyordirtyconditions).
Inspecttheairlterandhosesperiodicallytomaintain
maximumengineprotectionandtoensuremaximum
servicelife.Checktheair-ltercoverandhousingfor
damage,whichcouldcauseanairleak.Replaceany
damagedair-ltercomponents.
1.Pullthelatchoutwardandrotatetheair-lter
covercounterclockwise(Figure40).
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Figure40
1.Latch4.Dustvalve
2.Air-ltercover
5.Air-lterhousing
3.Airlter
2.Beforeremovingthelter,uselow-pressure
air(40psi,cleananddry)toremovelarge
accumulationsofdebrispackedbetweenthe
outsideoftheairlterandtheair-lterhousing.
Important:Avoidusinghigh-pressureair,
whichcouldforcedirtthroughthelter
intotheintaketract.Thiscleaningprocess
preventsdebrisfrommigratingintothe
intakewhentheprimarylterisremoved.
40