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Troubleshooting - Craftsman 917.387255 Owner's Manual

4.0 horsepower 20" rear discharge rotary lawn mower

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ENGINE OIL
Drain oil(withengine warm) a ndreplace w ith
deanengine o_.(See"ENGINE" inthe
Maintenance section of
this manual).
CYMNDER
• Remove spark plug.
• Pour one ounce (29 ml) of oilthrough spark
plug hole into cylinder.
• Pull starter handle slowly a few times to
distribute oil.
• Replace with new spark plug.
OTHER
• Do notstoregasoline from one seasonto
another.
• Replaceyourgasoline can Ifyourcan starts
to rest. Rustand/ordirtin yourgasoline will
causeproblems.
• If possible, store your unit indoors and cover
it to give protection from dust and dirt.
• Cover your unit with a suitable protective
cover that does not retain,melsture. Do not
use plas_c. Plastic cannot breathe which
allowscondensation to form and willcause
your unitto rust.
IMPORTANT: Never cover mower while
engine and exhaust areas are stillwarm.
ACAUTION:
Never store the lawn mower
with gasoline in the tank ins'de a building
where fumes may roach an open flame or
spark. Allow the engine to cool before storing
in any enclosure.
TROUBLESHOOTING
CHART
PROBLEM
Does n_smd
CAUSE
Di_ alr_.
Out_f_l.
Stalefuel.
Water in fuel.
• Spark plug wire is
disconnected.
• Bad spark plug.
• Loose blade or broken blade
ao_er.
• Control bar in released
position.
• Control bar defective.
CORRECTION
• Clean/replace air filter.
• Fill fuel tank.
• Drain tank and refill with
fresh clean fuel,
• Drain fuel tank and
carburetor and refilltank
with fresh gasoline.
• Connect wire to plug.
• Replace spark plug.
• "Rghtenblade bolt or
replace blade adapter.
• Depress control barto
handle.
• Replace control bar.
14

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