ChangingtheEngineOil
ServiceInterval:Aftertherst5hours—Changethe
engineoil.
Every50hours—Changetheengine
oil.Changetheengineoilevery25
operatinghourswhenoperatingthe
engineunderaheavyload.
Ifpossible,runtheenginejustbeforechangingthe
oilbecausewarmoilowsbetterandcarriesmore
contaminants.
UseautomotivedetergentoilwithanAPIservice
classicationofSF,SG,SH,SJ,SL,orhigher.Referto
yourengineowner’smanual.
Use
Figure51belowtoselectthebestoilviscosityfor
theoutdoortemperaturerangeexpected:
Figure51
1.UsingSAE30atoutdoor
temperaturesbelow40°F
(4°C)willresultinhard
starting.
2.Using10W-30atoutdoor
temperaturesabove
80°F(27°C)mayresultin
increasedoilconsumption;
therefore,checktheoil
levelmorefrequentlyin
thesecircumstances.
EngineOilCapacities
Model
EngineOilCapacity
38614
38624
38624W
38634
18to20oz.(0.53to0.59l)
38644
38654
26to28oz.(0.77to0.83l)
1.Cleantheareaaroundtheoildraincap(Figure52).
Figure52
1.Oildraincap
2.Slideanoildrainpanunderthedrainextensionand
removetheoildraincap.
3.Draintheoil.
Note:Disposeoftheusedoilproperlyatalocal
recyclingcenter.
4.Installtheoildraincap.
5.Fillthecrankcasewithoil.RefertoFillingthe
EngineCrankcasewithOil.
LubricatingtheHexShaft
ServiceInterval:Yearly—Lubricatethehexshaft.
Lightlylubricatethehexshaftyearlywithautomotive
engineoil(Figure53).
Figure53
1.Hexshaft
3.Rubberwheel
2.Aluminumfrictionplate
Important:Donotgetoilontherubberwheel
orthealuminumfrictiondriveplatebecausethe
tractiondrivewillslip(Figure53).
1.Drainthegasolinefromthefueltank.
2.Tipthemachineforwardontoitsaugerhousingand
blockitsothatitcannotfall.
3.Removethebackcover(Figure54).
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