Operator's Manual

EngineMaintenance
ServicingtheAirFilter
ServiceInterval:Beforeeachuseordaily—Checktheair
ltercondition.Checkmorefrequently
ifoperatingconditionsaredusty.
Every50hours—Servicethecyclonehousing/lter.
Cleanthehousing/ltermorefrequentlywhen
operatingthemachineindustyconditions.
Every50hours—Cleantheairlter.Cleanmore
frequentlyifoperatingconditionsaredusty.
Every300hours/Yearly(whichevercomes
rst)—Replacetheairlter.Changetheairltermore
frequentlyifoperatingconditionsaredusty.
Thecycloneairltercollectsthelargestcontaminantparticles,
whichcollectinthecontainer.Whenyoucanseealayerof
dirtatthebottomofthecontainer,cleanthecyclonehousing,
airchannels,andairintakescreen.
ServicingtheCycloneAirFilter
1.Removethe3screwsthatsecurethecyclonehousing
totheairlterhousing.
2.Removethecyclonehousingwiththeairintakescreen,
andremovetheairguide(Figure39).
Figure39
1.Airltercover
3.Airguide
2.Screw4.Cyclonehousingwithair
intakescreen
Note:Theairguidemayremainintheairltercover
whenthecyclonehousingisremoved.Grasptheair
guideandcarefullypulldowntoremoveit.
3.Cleanthecomponentsusingwaterandabrush.Dry
carefully.
4.Seattheairguideintothecyclonehousing.
5.Aligntheairintakescreenofthecyclonehousingwith
theopeningintheairltercover.Carefullyassemble
thecyclonehousingthelterhousing(
Figure39).
Note:Ensurethattheslotinthecyclonecoverthat
isadjacenttheairintakescreenisalignedwiththetab
inthebottomoftheairltercover;Donotuseforce;
alignitinplace.
6.Securethecyclonehousingtotheairltercoverwith
thescrewsremovedinstep1(Figure39).
CleaningtheAirFilter
Important:Iftheengineislowonpower,produces
blacksmokeorrunsunevenly,theairltermaybe
restricted.
1.Removethewingnutandliftofftheairltercoverand
cyclonehousing(
Figure40).
Figure40
1.Wingnut
4.Air–lterelement
2.Airltercoverandcyclone
housing
5.Stud
3.Foampre-lter
Important:Replacethefoampre-lterorthe
air-lterelementorbothifdamaged.
2.Removethefoampre-lter.Cleanitasfollows:
A.Cleanthepre-lterusingwarmsoapywater.
B.Rinsethepre-lterincleanwater,squeezethe
waterout,andallowtheltertodry.
C.Soakitwithnewengineoil.
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