outsideofthelter.Iftheprimarylterisdirty,
bent,ordamaged,replaceit.
Note:Holesinthelterappearasbrightspots.
Donotcleantheprimarylter.
InstallingtheFilters
Important:Topreventenginedamage,always
operatetheenginewithbothairltersandthe
coverinstalled.
1.Ifyouareinstallingnewlters,checkeachlter
forshippingdamage.
Note:Donotuseadamagedlter.
2.Ifyouarereplacingtheinnerlter,carefullyslide
itintothelterbody(Figure56).
3.Carefullyslidetheprimarylteroverthesafety
lter(Figure56).
Note:Ensurethattheprimarylterisfully
seatedbypushingontheouterrimwhile
installingit.
Important:Donotpressonthesoft,inside
areaofthelter.
4.Installtheair-cleanercoverandsecurethe
latches(Figure56).
ServicingtheEngineOil
ServiceInterval:Beforeeachuseordaily
Every100hours(moreoftenindirtyordusty
conditions).
Every200hours—Changetheengine-oillter
(moreoftenindirtyordustyconditions).
Engine-OilSpecications
OilType:Detergentoil(APIserviceSF ,SG,SH,SJ
orSL)
CrankcaseCapacity:
•Models72902TE,72919TE,and72969TE—2.0L
(68oz)withalterchange;1.8L(61oz)
withoutalterchange
•Models72925TEand72942TE—2.3L(78oz)
withalterchange;2.1L(71oz)withoutalter
change
Viscosity:Seethetablebelow.
g037096
Figure57
CheckingtheEngine-OilLevel
Note:Checktheoilwhentheengineiscold.
Important:Ifyouoverllorunderlltheengine
crankcasewithoilandruntheengine,youmay
damagetheengine.
1.Parkthemachineonalevelsurface,disengage
theblade-controlswitch(PTO),andengagethe
parkingbrake.
2.Shutofftheengine,removethekey,andwait
forallmovingpartstostopbeforeleavingthe
operatingposition.
Note:Ensurethattheengineiscoolsothatthe
oilhashadtimetodrainintothesump.
48