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CHANGING ENGINE OiL SPARK PLUG
NOTE:The engineoil shouldbechangedafterthe first fivehoursof
useand then oncea seasonorafter 50 hoursof use. Checkthe oil
levelbeforeeach useandaftereveryfive hoursof operationto be sure
the correctoil levelismaintained.Referto CheckingEngineOil.
1. Drainfuelfromthe tank by runningtheengine untilthe fueltankis
empty.Besurethe fuel fill capis secure.
2. Placea suitableoil collectioncontainerunderthe oil drain plug.
3. Removetheoil drainplug,Figure11.
!
OilPlug
Figure11
4. Tip theengineto drainoil intothe container.Usedoil mustbe
disposedof at a propercollectioncenter.
5. Reinstallthe drainplugandtightenit securely.
6. Refillwith the recommendedoil and checkthe oil level;referto
CheckingEngineOil on page 13for instructions.
7. Reinstallthe oilfillercap/dipsticksecurely.
Thoroughlywashyourhandswithsoapand wateras soon as
possibleafterhandlingusedoil.
DONOTcheck fora spark with the sparkplugremoved.DONOT
cranktheengine with the sparkplugremoved.
if the enginehas been running,the mufflerwill beveryhot. Becareful
not to touchthemuffler
Checkspark plugevery25 hoursandchangeoncea seasonorevery
100hours.Toensureproperengineoperation,the sparkplugmustbe
properlygappedand freeof deposits.
1. Removethe sparkplug bootand usea spark plugwrenchto
removethe plug,Figure12
SparkPlug
,J
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I
Figure12
SparkPlugBoot
=J
2. Visuallyinspectthe sparkplug. Discardthe sparkplug if thereis
any apparentwear,or if the insulatoris crackedor chipped.Clean
the spark plugwith a wire brushifit isto be reused.
3. Measurethe pluggapwitha feelergauge.Correctas necessary
bybendingthe sideelectrode,Figure13.Thegap shouldbe set
to .02-.03inches(0.60-0.80mm).
NOTE:Pleasedisposeof usedmotoroil ina mannerthat isfriendlyto
the environment.Takeit to a recyclingcenteror othercollectioncenter.
Electrode
.02-.03 in.
(0.60=0.80 ram)
14
Figure13
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