Troubleshooting Chart - Craftsman 917.379380 Owner's Manual

Drain oil (with engirle warm) and replace with
clean engine oil. (See "ENGINE" in the
Maintenance section of this manual).
CYLINDER
• Remove spark plug.
o Pour one ounce (29 rot) of oi! through spark
plug hole into cylinder.
• Pull starter handle slowly a few times to
distribute oil
starts to rust, Rust and!or dirt in your
gasoline will cause problerns
If possible, store your unit indools and
cover it to give protection from dust and dilt_
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 wil!
cause your unit to rust.
• Replace with new spark plug,
OTHER
° Do not store gasoline from one season to
another_
TROUBLESHOOTING CHART
CAUSE
PROBLEM
Does not start
Loss of power
Poor cut-
uneven
1, Dirty air filter,
2. Out of fuel
3. Stale rue!.
4. Water in fuel.
5o 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.
t, Rear of lawn mower housing
or cutting blade dragging
in heavy grass,
2, Cutting too much grass,
3, Dirty air filtel;
4. Buildup of grass, leaves,
and trash under mower.
5_ Too much oil in engine.
6o Walking speed too fast.
1. Worn, bent or loose blade,
2. Wheel heights uneven.
3. Buildup of grass, leaves
and trash under mower,,
17
!MPORTANT: 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 coof
before storing in any enclosure°
CORRECTION
t, 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. Reptace spark plug
7, Tighten blade boll or
replace blade adapter,
8, Depress control bar to
handle.
9, Replace control bas:
1. 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.
1, Replace blade. Tighten
blade bolt.
2. Set alt wheels at same
heigl_i
3. Clean underside of
mower housing°