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2.
3.
Place a suitableoil collectioncontainer u nderthe oil drainplug.
Remove t he oil drainplug.See Figure11.
OilDrainn Plug
Figure 11
4.
Tipthe snowthrowerbackto drainoil intothe container. U sed oil mustbe
disposed ofat a propercollection center.
5.
Reinstall the drainplugandtightenit securely.
6.
Refillwith the recommended o il andcheck the oil level;referto Checking
andAddingOilinthe Assembly Section.
7.
Reinstall the oil filler cap/dipstick securely.
SparkPlug
DO NOT checkfor asparkwith the sparkplug removed. D ONOT crankthe
engine with the sparkplug removed.
Ifthe engine hasbeenrunning, t he muffler will beveryhot. Becareful not
to touchthe muffler.
Thesparkplugshouldbechecked every25hoursandchanged oncea season o r
every100hours. T oensureproper e ngineoperation, t he sparkplugmustalsobe
properly gapped andfreeofdeposits.
Remove t he sparkplug bootanduseasparkplugwrenchto remove the
plug.SeeFigure 12.
SparkPlug
©
Spark Plug
Figure12
Visuallyinspectthe sparkplug.Discard the sparkplug if thereis any
apparent w ear,or ifthe insulatoriscracked orchipped.Clean the sparkplug
with awire brushif it isto bereused.
NOTE: Aresistorsparkplug mustbeusedfor replacement. Contact a Sears
Parts andRepair C enter f ora replacement sparkplug(Part#951-10292).
Measure the plug gapwith afeelergauge. C orrect a snecessary b ybending
the sideelectrode. S eeFigure 13.Thegapshouldbesetto .02-.03 inches
(0.60-0.80mm).
Electrode
_
.02-.03in.
(0.60-0.80mm)
Figure 13
Check thatthe sparkplugwasherisingoodcondition andthreadthe spark
plug inby handto prevent c ross-threading.
13
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