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f
Oil Drain
Plug
Figure19
4. Tipengineto drainoil intothecontainer.Usedoil mustbedisposedofat a
propercollectioncenter.
Usedoil isahazardouswaste product. Disposeof usedoil properly.Donot
discardwith householdwaste.Checkwith your localauthorities or Sears
ServiceCenterfor safedisposal/recyclingfacilities.
5. Reinstallthedrainplugandtightenit securely.
6. Refillwith the recommendedoilandchecktheoil level.SeeRecommended
Oil Usagechart.Theengine'soilcapacityis37ounces.
DONOTusenon-detergent oil or 2-strokeengine oil. It could shortenthe
engine'sservicelife.
y.t,oti'o
(%-400 -200 0o 200 400
(°c) -300 -200 -100 0o
7. Reinstalltheoilfiller cap/dipsticksecurely.
Thoroughlywashyour handswith soapandwater assoonaspossibleafter
handling usedoil.
Checking Spark Plug
DONOTcheckfor sparkwith sparkplugremoved.DONOTcrankengine with
sparkplug removed.
Ifthe engine hasbeenrunning,the muffler will be veryhot. Becarefulnot
to touchthe muffler.
NOTE:Checkthesparkplugonceaseasonorevery25hoursof operation.Change
thesparkplugonceaseasonor every100hours.
Toensureproperengineoperation,the sparkplugmustbeproperlygappedand
freeof deposits.
1. Removethe sparkplugbootanduseasparkplugwrenchto removethe
plug.SeeFigure20.
SparkPlug
SparkPlug Boot
F
2
Figure20
Visuallyinspectthesparkplug.Discardthesparkplugifthereis apparent
wear,orif theinsulatoris crackedorchipped.Cleanthesparkplugwith a
wire brushif it isto bereused.
Measurethepluggapwith afeelergauge.Correctasnecessarybybending
sideelectrode.SeeFigure21.Thegapshouldbesetto .02-.03inches(0.60-
0.80mm).
3
1..030 (.76 mm) Gap
2. Electrodes
3. Porcelain
Figure21
J
19
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