Troubleshooting - Craftsman 917.379441 Owner's Manual

TROUBLESHOOTING CHART
PROBLEM CAUSE
Loss of power 1. Rear of lawn mower
Poor cut -
uneven
Excessive
vibration
Starter rope
hard to pull
Loss of drive
CORRECTION
1, Set to "Higher Cut"
position.
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. 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. Drive wheels not turning
with drive control engaged.
2. Belt not driving.
Cutting height too low.
Lift on blade worn off.
Catcher not venting air.
Grass is too high or wheel
height is too low.
2. Rear of lawn mower
housing or cutting blade
dragging in grass.
3. Grass catcher too full.
4. Handle height position not
right for you.
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 all wheels at same
height.
3. Clean underside of
mower housing.
1. Replace blade. Tighten
blade bolt.
2. Contact a Sears or other
qualified service center.
1. Depress control bar to
upper handle before
pulling starter rope.
2. Contact a Sears or other
qualified service center.
3. Replace blade adapter.
4. Move lawn mower to cut
grass or to hard surface.
1. Adjust or replace drive
control cable.
2. Put belt on pulleys or
replace belts if broken.
Grass catcher 1. 1. Raise cutting height.
notfilling(ifso 2. 2. Replace blade.
equipped) 3. 3. Clean grass catcher.
Hard to push 1. 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.
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