Craftsman 917.389340 Owner's Manual page 17

TROUBLESHOOTING CHART
PROBLEM CAUSE CORRECTION
Poorcut-uneven
Excessive
vibration
Starter rope hard
to pull
1. Replace blade. Tighten
blade bolt.
2. Set all wheels at same
height
3. Clean underside of
mower housing.
1. Worn, bent or loose blade.
2. Wheel heights uneven.
3. Buildup of grass, leaves
and trash under mower.
1. Worn, bent or loose blade.
2. Bent engine crankshaft.
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. Cutting height too low.
2. Lift on blade worn off.
3. Catcher not venting air.
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
right for you.
1. Replace blade. Tighten
blade bolt.
2. Contact an authorized
service center.
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. Raise cutting height.
not filling (if so 2. Replace blade.
equipped) 3. Clean grass catcher.
Hard to push 1. Raise cutting height.
2. Raise rear of lawn mower
housing one (1) setting
higher.
3. Empty grass catcher.
4. Adjust handle height to
suit.