Operator's Manual

CheckingtheSealed
Bearings
Bearingsrarelyfailfromdefectsinmaterialsor
workmanship.Themostcommonreasonforfailureis
moistureandcontaminationworkingitswaypastthe
protectiveseals.Bearingsthataregreasedrelyupon
regularmaintenancetopurgeharmfuldebrisfromthe
bearingarea.Sealedbearingsrelyonaninitialll
ofspecialgreaseandarobustintegralsealtokeep
contaminantsandmoistureoutoftherollingelements.
Thesealedbearingsrequirenolubricationor
short-termmaintenance.Thisminimizesroutine
servicerequiredandreducesthepotentialofturf
damageduetogreasecontamination.Thesesealed
bearingpackageswillprovidegoodperformanceand
lifeundernormaluse,butyoushouldperiodically
inspectthebearingconditionandsealintegrityto
avoiddowntime.Inspectthebearingsseasonally
andreplacethethemiftheyaredamagedorworn.
Bearingsshouldoperatesmoothlywithnodetrimental
characteristicssuchashighheat,noise,looseness,
orindicationsofcorrosion(rust).
Duetotheoperatingconditionsthesebearing/seal
packagesaresubjectto(i.e.,sand,turfchemicals,
water,impacts,etc.)theyareconsiderednormalwear
items.Bearingsthatfailduetocausesotherthan
defectsinmaterialsorworkmanshiparetypicallynot
coveredunderthewarranty.
Note:Bearinglifecanbenegativelyaffectedby
improperwash-downprocedures.Donotwashdown
themachinewhenitisstillhotandavoiddirecting
high-pressureorhigh-volumesprayatthebearings.
EngineMaintenance
EngineSafety
•Shutofftheenginebeforecheckingtheoilor
addingoiltothecrankcase.
•Donotchangethegovernorspeedoroverspeed
theengine.
ServicingtheAirCleaner
ServiceInterval:Every200hours(morefrequentlyin
extremedustyordirtyconditions).
•Checktheaircleanerbodyfordamagewhich
couldcauseanairleak.Replaceitifitisdamaged.
Checkthewholeintakesystemforleaks,damage,
orloosehoseclamps.
•Servicetheaircleanerattherecommended
serviceintervalorearlierifengineperformance
suffersduetoextremelydusty,dirtyconditions.
Changingtheairlterbeforeitisnecessaryonly
increasesthechanceofdirtenteringtheengine
whenthelterisremoved.
•Ensurethatthecoverisseatedcorrectlyandseals
withtheair-cleanerbody.
1.Releasethelatchesthatsecuretheair-cleaner
covertotheair-cleanerbody(Figure54).
g027707
Figure54
1.Air-cleanercover2.Air-cleanerlatch
2.Removethecoverfromtheair-cleanerbody.
3.Beforeremovingthelter,uselow-pressure
air—276kPa(40psi),cleananddry—tohelp
removelargeaccumulationsofdebrispacked
betweentheoutsideofprimarylterandthe
canister.Avoidusinghigh-pressureairwhich
couldforcedirtthroughthelterintotheintake
tract.Thiscleaningprocesspreventsdebris
frommigratingintotheintakewhenyouremove
theprimarylter.
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