Craftsman 917.377821 Manual Del Usuario página 19

TROUBLESHOOTING - See appropriate section in manual unless directed
to a Sears Service Center.
CAUSE
PROBLEM
Loss of power
Poor cut -
uneven
Excessive
vibration
Starter rope
hard to pull
1. Rear of lawn mower
housingor cuttingblade
draggingin heavy grass.
2. Cuttingtoo much grass.
3. Dirty air filter.
4. Buildupof 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. Buildupof 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.
CORRECTION
1. Raise cuttingheight.
2. Raise cutting height.
3. Clean/replace air filter.
4. Clean undersideof mower
housing.
5. Check oil level.
6. Cut at slower walkingspeed.
1. Replace blade. Tighten
blade bolt.
2. Set all wheels at same
height.
3. Clean undersideof
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.
Grass catcher 1. Cutting height too low. 1. Raise cutting height.
not filling 2. Lift on blade worn off. 2. Replace blade,
(if so 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 istoo low.
2. Rear of lawn mower
housing or cuttingblade
draggingin grass.
3. Grass catcher too full.
4. Handle height positionnot
right for you.
Loss of drive
or slowing of
drive speed
1, Belt wear.
2. Belt off of pulley.
3. Drive cable worn or broken.
4, =Loose" drive controlsystem.
2. Raise rear of lawn mower
housing one (1) setting
higher.
3. Empty grass catcher.
4. Adjust handle height to suit.
1. Check/replace drive belt.
2. Check/reinstall drive belt.
3. Replace drive cable.
4. Adjust drive control,
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