Craftsman 917.377220 Owner's Manual page 18

TROUBLESHOOTING CHART
PROBLEM CAUSE
Excessive 1o Worn, bent or loose blade.
vibration
2. Bent engine crankshaft.
Starter rope hard
to pull
Loss of drive
Grass catcher
not filling (if so
equipped)
Hard to push
1. Engine flywheel brake is on
when control bar is released.
2, Bent engine crankshaft,
3. Biade adapter broken,
4, Blade dragging in grass,
t. Drive wheels not turning
controi with drive control
engaged.
2. Belt not driving
!. Cutting height too low.
2, Lift on blade worn off,
3_ Catcher not venting air°
1. Grass is too high or wheel
height is too Iowo
2. Rear of lawn mower
housing-or blade dragging
in grass,
3. Grass catcher too full.
4, Handle height position not
right for you.
CORRECTION
1, Replace blade, Tighten
blade bolt,
2, Contact an authorized
service center,
1, Depress control bar to
upper handle before
pulling starter rope,
2. Contact an authorized
service center.
3. Replace blade adapter,
4. Move lawn mower to cut
grass or to hard surface.
1, Adjust or replace drive
cable.
2. Put belt on pulleys or
replace belts if broken.
1. Raise cutting height°
2. Replace blade,
3, Clean grass catcher,
1. Raise cutting height.
2. Raise rear of lawn mower
housing one (I) setting
higher.
3. Empty grass catcher.
4. Adjust handle height to
suit,
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