Operator's Manual
Pre-Maintenance
Procedures
Pre-MaintenanceSafety
•Beforeadjusting,cleaning,repairing,orleaving
themachine,dothefollowing:
–Parkthemachineonalevelsurface.
–Movethethrottleswitchtothelow-idleposition.
–Disengagethecuttingunits.
–Lowerthecuttingunits.
–Ensurethatthetractionisinneutral.
–Engagetheparkingbrake.
–Shutofftheengineandremovethekey.
–Waitforallmovingpartstostop.
–Allowmachinecomponentstocoolbefore
performingmaintenance.
•Ifthecuttingunitsareinthetransportposition,use
thepositivemechanicallock(ifavailable)before
youleavethemachineunattended.
•Ifpossible,donotperformmaintenancewhilethe
engineisrunning.Keepawayfrommovingparts.
•Usejackstandstosupportthemachineor
componentswhenrequired.
•Carefullyreleasepressurefromcomponentswith
storedenergy.
EngineMaintenance
EngineSafety
•Shutofftheenginebeforecheckingtheoilor
addingoiltothecrankcase.
•Donotchangethegovernorspeedoroverspeed
theengine.
ServicingtheAirCleaner
ServiceInterval:Every200hours—Servicethe
air-cleanerlter(morefrequently
whenoperatingconditionsaredusty
ordirty).
•Checktheair-cleanerbodyfordamagewhich
couldcauseanairleak;replaceitifitisdamaged.
Checkthewholeintakesystemforleaks,damage,
orloosehoseclamps.
•Changingtheairlterbeforeitisnecessary
increasesthechanceofdirtenteringtheengine
whenthelterisremoved.
•Ensurethatthecoverisseatedcorrectlyandseals
withtheaircleanerbody.
1.Releasethelatchessecuringtheair-cleaner
covertotheair-cleanerbody(Figure23).
g014614
Figure23
1.Air-cleanerbody3.Air-cleanercover
2.Airlter
2.Removethecoverfromtheair-cleanerbody.
3.Beforeremovingthelter,uselowpressureair
(275kPa(40psi),cleananddry)tohelpremove
largeaccumulationsofdebrispackedbetween
theoutsideoftheprimarylterandthecanister.
Thiscleaningprocesspreventsdebrisgetting
28