Troubleshooting Chart - Craftsman 917.389391 Owner's Manual

TROUBLESHOOTING CHART
PROBLEM CAUSE
Does not start
Loss of power
POOl'CUt-uneven
1. Dirty air filter.
2. Out of fuel.
3, Stale fuel.
4. Waterinfuel.
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.
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.
1. Wom, bent or loose blade.
2. Wheel heights uneven.
3. Buildup of grass, leaves
and trash under mower.
CORRECTION
1. Clean/replace air filter.
2. Fillfuel tank.
3. Drain tank and refillwith
fresh clean fuel.
4. Drain fuel tank and
carburetor and refilltank
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.
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. "13ghten
blade bolt.
2. Set all wheeis at same
height
3. Clean underside of
mower housing.
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