Troubleshooting - Craftsman 917.388741 Owner's Manual

CYLINDER
1. Remove spark plug.
2. Pour one ounce (29 ml) of oil through
spark plug hole into cylinder.
3. Pull starter handle slowly a few times
to distribute oil.
4. Replace with new spark plug.
OTHER
• Do not store gasoline from one season
to another.
• Replace your gasoline can if your can
starts to rust. Rust and/or dirt in your
gasoline will cause problems.
• If possible, store your unit indoors and
cover it to protect it from dust and dirt.
• Cover your unit with a suitable protec-
tive 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,
• iLCAUTION. 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 - See appropriate section in manual unless directed
to a Sears Service Center.
PROBLEM CAUSE
Does not start 1. Dirty air filter.
2. Out of fuel.
3. Stale fuel.
4, Water in fuel.
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.
10, Fuel valve lever (if so
equipped) in OFF position.
11 .Weak battery (if equipped).
12, Disconnected battery
connector (if equipped).
Loss of power 1, Rear of lawn mower
housing or cutting blade
dragging in heavy grass.
2. Cutting too much grass.
3. Dirty air filter.
4, Buildup of grass, leaves,
and trash under mower.
5. Too much oil in engine.
6, Walking speed too fast.
CORRECTION
1. Clean/replace air filter.
2. 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 plug.
7. Tighten blade bolt or
replace blade adapter,
8. Depress control bar to
handle.
9. Replace control bar.
10.Turn fuel valve lever
to the ON position.
11,Charge battery.
12.Connect battery to engine,
.
Set to "Higher Cut"
position.
2. Set to "Higher Cut"
position.
3. Clean/replace air filter.
4. Clean underside of mower
housing.
5. Check oil level.
6. Cut at slower walking speed.
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