Craftsman 917.388410 - Manual (Page 16)

TROUBLESHOOTING CHART
PROBLEM CAUSE CORRECTION
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.
1. Set to “Higher Cut”
position.
2. Set to “Higher Cuf
position.
3. Clean/replace air filter.
4. Clean underside of mower
housing.
5. Check oil level.
6. Cut at slower walldng
speed.
Poor cut - uneven 1. Worn, bent or loose blade.
2. Wheel heights uneven.
3. Buildup of grass, leaves
and trash under mower.
1. Replace blade. Tighten
blade bolt.
2. Set all wheels at same
height
3. Clean underade of
mower housing.
Excessive
vibration 1. Worn, bent or loose blade.
2. Bent engine crankshaft.
1. Replace blade. Tighten
blade bolt.
2. Contact an authorized
service center.
Starter rope hard
topuil 1. Engine flywheel brake is on
when control bar is released.
2. Bent engine crankshaft.
3. Blade adapter broken.
4. Blade dragging in grass.
1. Depress control bar to
upper handle before
pulling starter rope.
2. Contact an authorized
service center.
3. Replace blade adapter.
4. Move lawn mower to cut
grass or to hard surface
to start engine
Grass catcher 1. Cutting height too low. 1. Raise cutting height.
not filling (if so 2. Lift on blade worn off. 2. Replace blade.
equipped) 3. Catcher not venting air. 3. Clean grass catcher.
Hard to push 1. Grass is too high or wheel
height is too low.
2. Rear of lawn mower
housing or blade dragging
in grass.
3. Grass catcher too full.
4. Handle height position not
light for you.
1. Raise cutting height.
2. Rase rear of lawn mower
housing one (1) setting
higher.
3. Empty grass catcher.
4. Adjust handle height to
suit.
16