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CRAFTSMAN 917.377240 Owner's Manual Page 18

7.0 horsepower power-propelled 21" multi-cut.

   
TROUBLESHOOTING
to a Sears
Service
PROBLEM
Loss of power
2. Cutting too much grass.
3. Dirty air filter.
4. Buildup of grass, leaves,
5. Too much oil in engine.
6. Walking speed too fast.
Poor cut -
uneven
2. Wheel heights uneven.
3. Buildup of grass, leaves
Excessive
vibration
2. Bent engine crankshaft.
Starter rope
hard to pull
2. Bent engine crankshaft.
3. Blade adapter broken.
4. Blade dragging in grass.
Grass catcher
2. Lift on blade worn off.
not filling
(If so equipped)
3. Catcher not venting air.
Hard to push
2. Rear of mower housing or
3. Grass catcher too full.
4. Handle height position not
Loss of drive
or slowing of
2. Belt off of pulley.
3. Drive cable worn or broken.
drive speed
4. "Loose" drive control system.
- See appropriate
Center.
CAUSE
1. Rear of mower housing or
blade dragging in grass.
and trash under mower.
1. Worn, bent or loose blade.
and trash under mower.
1. Worn, bent or loose blade.
1. Engine flywheel brake is on
when control bar is released.
1. Cutting height too low.
1. Grass is too high or wheel
height is too low.
blade dragging in grass.
right for you.
1. Belt wear.
section in manual unless directed
CORRECTION
1. Raise cutting height.
2. Raise cutting height.
3. Clean/replace
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 the 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. Raise cutting height.
2. Replace blade.
3. Clean grass catcher.
1. Raise cutting height.
2. Raise rear of mower housing
one (1) setting higher.
3. Empty grass catcher.
4. Adjust handle height to suit.
1. Check/replace
2. Check/reinstall
3. Replace drive cable.
4. Adjust drive control.
18
air filter.
drive belt.
drive belt.
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