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Maintaining
WARNING
Accumulation of
debris around muffler
cause afire:
Inspect and clean
b fo ooveryo
IMPORTANT:DOnot
spray engine Withwater
to clean because water
could contaminatefuel
Using a garden hose
or pressure Washing
equipment Cana so
force water into the
air cleaner ormuffler
opening:Water in the
air cleane! will soak
the paper e!emen
and water that Passes
through the element
or muffler canenter
the cylinder;causing:
damage:
i
f
Electrode
--,,- *-- 0.030 in.
Figure10-4:Measurethepluggapwitha feelergauge.
3. Measurethe plug gap with a feelergauge.Correct
as necessaryby bendingsideelectrode.See Figure
10-4.Thegap shouldbe setto 0.030in.
4. Checkthat the sparkplug washeris in good condi-
tionandthreadthe sparkpluginby handto prevent
cross-threading.
5. Afterthe sparkplugis seated,tightenwith a spark
plugwrenchto compressthe washer.
NOTE:Wheninstallinga newspark plug,tighten 1/2
turnafterthe sparkplugseatsto compressthewasher.
Whenreinstallinga usedsparkplug,tighten 1/8-1/4turn
afterthe sparkplug seatsto compressthe washer.
IMPORTANT:The sparkplug mustbe securelytight-
ened.Animproperlytightenedsparkplugcan become
veryhotand maydamagethe engine.
Clean Engine
If theenginehasbeenrunning,allowit to coolfor at
leasthalfan hourbeforecleaning.Periodicallyremove
grassanddirt build-upfromengine.Cleanfingerguard
andaroundmuffler.Cleanwitha brushor compressed
air.
Storage
Enginesstoredover30 daysneedto bedrainedof fuel
to preventdeteriorationand gumfromforminginfuel
systemor onessentialcarburetorparts. If the gasolinein
yourenginedeterioratesduringstorage,you mayneed to
havethe carburetor,and otherfuel systemcomponents,
servicedor replaced.
1. Removeall fuel fromtank by runningengineuntil it
stopsfromlackof fuel.
2. Changeoil. See Oil Changesection.
3. Removesparkplug and pour about1/2 an ounceof
engineoil intocylinder.Replacesparkplugandcrank
slowlyto distributeoil.
4. Cleangrassanddebrisfromaroundengine,under
fingerguard,and under,aroundandbehindmuffler.
Touchupanydamagedpaint,and coatother areas
thatmayrustwitha lightfilmof oil.
5. Storeina clean,dry andwellventilatedareaawayfrom
anyappliancethatoperateswith a flame or pilotlight,
suchas a furnace,waterheater,or clothesdryer.Also
avoidanyareawitha sparkproducingelectricmotor,
orwherepowertoolsare operated.
6. If possible,alsoavoidstorageareaswithhighhumidity,
becausethat promotesrustandcorrosion.
7. Keepthe enginelevelin storage.Tiltingcan causefuel
oroil leakage.
Removing From Storage
1. Checkyourengineas describedin the Pre-Operation
Checksectionof this manual.
2. If the fuelwasdrainedduringstoragepreparation,fill
the tank with freshgasoline.If you keepa container
of gasolinefor refueling,makecertain it containsonly
freshfuel.Gasolineoxidizesand deterioratesover
time,causinghardstarting.
3. If the cylinderwascoatedwithoil duringstorage
preparation,the enginewill smokebrieflyat startup.
Thisis normal.
IMPORTANT: Do not spray engine with water to clean
because water could contaminate fuel. Using a garden
hose or pressure washing equipment can also force
water into the air cleaner or muffler opening. Water in
the air cleaner will soak the paper element, and water
that passes through the element or muffler can enter the
cylinder, causing damage.
__lk ARNING:Accumulationof debris
around muffler could causea fire.
Inspect and clean before every use.
2O
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