Craftsman 917.377960 Owner's Manual page 17

6.75 horsepower 21" multi-cut power propelled rotary lawn mower
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TROUBLESH(
OTING CHART
PROBLEM
CAUSE
CORRECTION
Grass catcher
1.
Cuffing 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,
4.
Low engine speed.
4. Set engine speed control in
fast position.
Hard to push
1. Raise cuffing height.
Loss of drive
1.
Grass is too high or
wheel height is too low.
2.
Rear of lawn mower
housing/blade dragging
in grass.
3.
Grass catcher too full.
4.
Handle height position
not dght for you.
1.
Belt wear.
2.
Belt off of pulley.
3.
Ddva cable worn or broken.
4.
Dirt in ddve pinions.
2.
Raise rear of lawn mower
housir_gone (1)setting higher.
3.
Empty grass catcher.
4. Adjust handle height to suit.
1. Check/replace ddve belt.
2. Check/reinstall ddve belt.
3.
Replace ddve cable.
4. Clean drive pinions.
17

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