Craftsman 917.377791 Owner's Manual page 18

TROUBLESHOOTING - See appropriate section in manual unless directed
to a Sears Service Center.
PROBLEM CAUSE CORRECTION
Excessive 1. Worn, bent or loose blade. 1. Replace blade. Tighten
vibration blade bolt.
2. Bent engine crankshaft. 2. Contact a Sears or other
qualified service center.
1.
Starter rope
hard to pull
1. Engine flywheel brake is on
when control bar is released.
2. Bent engine crankshaft.
3. Blade adapter broken.
4. Blade dragging in grass.
5. Defective blade/brake clutch.
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 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.
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.
5. Replace blade/brake clutch.
2. Raise rear of lawn mower
housing one (1) setting
higher.
3. Empty grass catcher.
4. Adjust handle height to suit.
Blade/brake 1. Defective blade control. 1. Replace blade/brake control.
clutch does
not engage
Engine dies 1. Cold engine. 1. Allow engine to warm up
when starting for one minute.
blade 2. Mower is in uncut grass. 2. Move mower to cleared area.
Loss of drive 1. Belt wear. 1. Check/replace drive belt.
or slowing of 2. Belt off of pulley. 2. Check/reinstall drive belt.
drive speed 3. Drive cable worn or broken. 3. Replace drive cable.
4. "Loose" drive control system. 4. Adjust drive control.
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