Troubleshooting - Craftsman 917.377220 Owner's Manual

ENGINEOIL
Drain oil (with engine warm) and repFace with
clean engine oil. (See "ENGINE" in the
Maintenance section of this manual).
CYLINDER
o Remove spark plug.
• Pour one ounce (29 mD of oil through spark
plug hole into cylinder.
o Pull starter handle slowly a few times to
distribute oil.
o Replace with new spark plug.
OTHER
o Do not store gasoline from one season to
another.
° Replace your gas01inecan if your can
starts to rust. Rust and/or dirt in your
gasoline wil! cause problems.
° 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 moisture. Do
not use plastic. Plastic cannot breathe
which allows condensation to form and will
cause your unit to rust.
IMPORTANT: Never cover mower while
engine and exhaust areas are still warm.
,_CAUTION: Never store the lawn
mower with gasoline in the tank inside a
building where fumes may reach an open
flame or spark. Allow the engine to cool
before storing in any enclosure.
TROUBLESHOOTING CHART
PROBLEM CAUSE CORRECTION
Does not start
1. Dirty air filter.
2. Out of fuel.
3o Stale fuel.
4. Water in fue!.
5. Spark plug wire is
disconnected.
6. Bad spark plug.
7. Loose blade or broken blade
adapter.
8. Control bar in released
position.
9. Control bar defective.
i
t. Rear of lawn mower housing
or cutting blade dragging
in heavy grass.
2. Cutting too much grass.
3. Dirty air ftlter.
4. Buildup of grass, leaves,
and trash under mower.
5. Too much oli in engine.
6. Walking speed too fast.
1. Worn. bent or loose blade.
2. Wheel heights uneven.
3. Buildup of grass, leaves
and trash under mower.
Loss of power
Poor out- uneven
. Clean/replace air filter.
. Fill fuel tank.
3. Drain tank and refill with
fresh clean fuel,
4. Drain fuel tank and
carburetor and refill tank
with fresh gasoline.
5. Connect wire to plug,.
6. Replace spark plugo
7. Tighten'blade bolt or
replace blade adapter,
8, Depress control bar to
handle.
9. Replace control bar.
1. Set to "Higher Cut"
position,
__.Set to "Higher Cut"
position.
3. Cleantreplace air filter.
4. Clean underside of mower
housing.
5. Check oil level.
5, Cut at slower walking
speed.
1. Replace blade, Tighten
blade bolt.
2. Set all wheels at same
height
3. Clean underside of
mower housing.
17