Engine Oil - Craftsman 917.389490 Owner's Manual

ENGINE OIL
Drain oil (with engine warm) and replace
with clean engine oil. (See "ENGINE" in
the Maintenance section of this manual).
CYLINDER
• Remove spark plug.
• Pour one ounce (29 ml) of oil through
spark plug hole into cylinder.
• Pull starter handle slowly a few times to
distribute oil.
• 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 give protection 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.
_I,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.
TROUBLESHOOTINGCHART
PROBLEM CAUSE
Does not start
Loss of power
1. Dirty air filter.
2. Out of fuel.
3. Stale fuel.
4. Water in fuel.
.
6.
7.
8.
9.
1.
.
3.
4.
5.
6.
Spark plug wire is 5.
disconnected.
Bad spark plug. 6.
Loose blade or broken blade 7.
adapter.
Control bar in released
position.
Control bar defective.
Rear of lawn mower housing
or cutting blade dragging
in heavy grass.
Cutting too much grass.
Dirty air filter.
Buildup of grass, leaves,
and trash under mower.
Too much oil in engine.
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.
Connect wire to plug.
8_
9.
1.
Replace spark plug.
Tighten blade bolt or
replace blade adapter.
Depress control bar to
handle.
Replace control bar.
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.
i6. Cut at slower walking
speed.
16