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CHANGING ENGINE OiL SPARK PLUG
NOTE: Checkthe oil levelbeforeeach useandaftereveryfivehours
of operationto besurethe correctoil levelis maintained.Referto
CheckingEngineOil.
1. Drainfuelfrom the tankby runningtheengineuntilthe fueltankis
empty.Besurethe fuel fill capis secure.
2. Placea suitableoil collectioncontainerunderthe oil drain plug.
3. Removetheoil drainplug,Figure11.
!
Oil Plug
Figure11
4. Tiptheenginetodrainoilintothecontainer.Usedoilmustbedisposed
of at a propercollectioncenter.
5. Reinstallthe drain plugand tightenit securely.
6. Refillwith the recommendedoil andcheckthe oil level;referto
CheckingEngineOil on page13for instructions.
7. Reinstallthe oil fillercap/dipsticksecurely.
Thoroughlywashyourhandswith soapand wateras soon as
possibleafterhandlingusedoil.
NOTE:Pleasedisposeof usedmotoroil ina mannerthat is friendlyto
the environment.Takeit to a recyclingcenteror othercollectioncenter.
DONOTcheck fora sparkwiththe sparkplugremoved.DONOT
cranktheengine with the sparkplugremoved.
Ifthe enginehas beenrunning,the mufflerwill be very hot. Becareful
not to touchthemuffler
Checkspark plugevery 25 hoursandchangeoncea seasonorevery
100hours.Toensureproperengineoperation,the spark plug mustbe
properlygappedand freeof deposits.
1. Removethe sparkplugbootand usea sparkplugwrenchto remove
the plug, Figure12
SparkPlug
,J
©
J
Figure12
SparkPlugBoot
.J
2. Visuallyinspectthe sparkplug.Discardthesparkplugifthereis any
apparentwear,or if the insulatoris crackedor chipped.Cleanthe
sparkplugwithawire brushif it is to be reused.
3. Measurethe pluggap with a feelergauge.Correctas necessaryby
bendingthe sideelectrode,Figure13.The gap shouldbe setto
.02-.03inches(0.60-0.80ram).
Electrode
.02=.03 in.
(0.60-0.80 rnrn)
14
Figure13
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