ChangingtheEngineOil
ServiceInterval:Aftertherst5hours—Changetheengine
oil.
Yearly—Changetheengineoil.
Ifpossible,runtheengineforafewsecondsbeforechanging
theoilbecausewarmoilowsbetterandcarriesmore
contaminants.
UseautomotivedetergentoilwithanAPIserviceclassication
ofSF,SG,SH,SJ,SL,orhigher.Refertoyourengineowner's
manual.
UseFigure41belowtoselectthebestoilviscosityforthe
outdoortemperaturerangeexpected:
Figure41
EngineOilCapacities
Model
EngineOilCapacity
37772
0.53to0.59L(18to20oz)
1.Cleantheareaaroundtheoil-draincap(Figure42).
Figure42
1.Oil-draincap
2.Slideanoil-drainpanunderthedrainextensionand
removetheoil-draincap.
3.Draintheoil.
Note:Disposeoftheusedoilproperlyatalocal
recyclingcenter.
4.Installtheoil-draincap.
5.Fillthecrankcasewithoil.
LubricatingtheHexShaft
ServiceInterval:Yearly—Lubricatethehexshaft.
Lightlylubricatethehexshaftyearlywithautomotiveengine
oil(Figure43).
Figure43
1.Hexshaft
3.Rubberwheel
2.Steelfrictionpulley
Important:Donotgetoilontherubberwheelorthe
steelfrictionpulleybecausethetractiondrivewillslip
(Figure43).
1.Drainthefuelfromthefueltank.
2.Tipthemachineforwardontoitsaugerhousingand
blockitsothatitcannotfall.
3.Removethebackcover(Figure44).
Figure44
1.Screws
4.Movethespeed-selectorlevertoPositionR2.
5.Dipyourngerinautomotiveengineoilandlightly
lubricatehexshaft.
6.Movethespeed-selectorlevertoPosition6.
7.Lubricatetheotherendofthehexshaft.
8.Movethespeed-selectorleverforwardandrearward
afewtimes.
20