Operator's Manual

Table Of Contents
ServicingtheEngineOil
Engine-OilSpecications
OilType:Detergentoil(APIserviceSF ,SG,SH,SJ,
orSL)
CrankcaseCapacity:
Model74960,74961,75967,75968:withalter
change,1.9L(64oz);withnolterchange,1.7
L(57oz)
Model78924:withalterchange,2.0L(68oz);
withnolterchange,1.8L(61oz)
Viscosity:Seethetablebelow.
g037096
Figure50
Note:Useofmulti-gradeoils(5W-20,10W-30,or
10W-40)increasesoilconsumption.Checktheoil
levelmorefrequentlywhenusingthem.
CheckingtheEngine-OilLevel
ServiceInterval:Beforeeachuseordaily
Note:Checktheoilwhentheengineiscold.
Important:Ifyouoverllorunderlltheengine
crankcasewithoilandruntheengine,youmay
damagetheengine.
1.Parkthemachineonalevelsurface,disengage
theblade-controlswitch(PTO),andengagethe
parkingbrake.
2.Shutofftheengine,removethekey,andwait
forallmovingpartstostopbeforeleavingthe
operatingposition.
Note:Ensurethattheengineiscoolsothatthe
oilhashadtimetodrainintothesump.
3.Tokeepdirt,grassclippings,etc.,outofthe
engine,cleantheareaaroundtheoil-llcapand
dipstickbeforeremovingit(Figure51).
g194611
Figure51
ChangingtheEngineOil
ServiceInterval:Aftertherst8hours—Changethe
engineoil.
Every100hours—Changetheengineoil(more
oftenindirtyordustyconditions).
1.Parkthemachinesothatthedrainsideisslightly
lowerthantheoppositesidetoensurethatthe
oildrainscompletely.
2.Disengagetheblade-controlswitch(PTO)and
engagetheparkingbrake.
3.Shutofftheengine,removethekey,andwait
forallmovingpartstostopbeforeleavingthe
operatingposition.
4.Draintheoilfromtheengine(Figure52).
41