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Engine Maintenance
Engine Oil
Only use high quality detergent oilrated withAPI
serviceclassification SF, SG or SH. Select the oil's
SAE viscositygrade according to the expected
operating temperature.
colder.,_---32 ° warmer
|
5W30 '9[ I _'-_ SAE30
I
Viscosity Chart
NOTE: Although multi-viscosity oils(5W30, 10W30
etc.) improve startingin coldweather, thesemulti-
viscosityoilswillresultinincreased oilconsumption
when used above 32°F. Checkyoursnow thrower's
engine oillevel more frequentlytoavoidpossible
engine damage fromrunninglow on oil.
Refer to the viscosity chart forproper selectionof
engine oil.
Checking Oil Level
IMPORTANT: Before operatingthesnow thrower,
check the oillevel
• With engine on level ground, the oil must be to
FULL mark on dipstick.
• Stop engine and wait several minutes before
checking oil level. Remove oil fill cap and
dipstick.
• Wipe dipstick clean, insert it into oil fill hole and
tighten securely.
• Remove dipstick and check. Ifoil is not up to the
FULL mark on dipstick, add 5W30 oil.
Changing Oil
Change engine oilafter the firsttwohoursof
operationand every 25 hours thereafter.
Inorder todo thatyou willhave tofirst drain the spent
engineoilfrom theengine and then refillwithfresh oil.
• Drainoilwhileengine is warm. Remove oil drain
cap locatedat the bottomof therecoilstarterof
theengine. Catch oilina suitablecontainer.
• When engine isdrainedofall oil, replacedrain
plugsecurely.
Remove the dipstick from theoiltill tube. For
locationofthe oilfill tube,see Figure 17 inset.
Pourfresh oilslowlythroughthe tube. Replace
dipstick.
• Check and make sure thatthe oillevelisup to
the FULL markon thedipstick.
WARNING: Temperature of muffler and
nearby areas may exceed 150° F (65°C).
Avoid these areas.
Spark Plug
• Clean area aroundthe sparkplug base.
• Remove and inspect the sparkplug.
• Replace the spark plug ifelectrodes are pitted,
burned, orthe porcelainiscracked. See Figure21.
• Clean the spark plug and reset the gap to 0.030"
at least once a season or every 50 hours of
operation. See Figure 21.
• Spark plug replacement is recommended at the
start of each season. Refer to engine parts list
for correct spark plug type.
NOTE: Do not sandblastspark plug. Spark plug
shouldbe cleaned by scrapingor wire brushing and
washing with a commercialsolvent.
Figure 21
19
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