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Craftsman 917.378340 Manual Del Usuario página 17

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TROUBLESHOOTING
- See appropriate
section in manual unless directed
to a Sears Service Center.
PROBLEM
Poor cut -
uneven
Excessive
vibration
Starter rope
hard to pull
Loss of drive
CAUSE
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.
.
2.
3.
4.
Engine flywheel brake is
on when control bar is
released.
Bent engine crankshaft.
Blade adapter broken.
Blade dragging
in grass.
1. Drive wheels not turning
with drive control engaged.
2. Belt not driving.
CORRECTION
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. 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. Raise cutting height.
1. 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. Raise rear of lawn mower
housing one (1) setting
higher.
3. Empty grass catcher.
4. Adjust handle height to
suit.
17

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