Craftsman 917.377991 Manual Del Usuario página 18

TROUBLESHOOTING CHART
PROBLEM CAUSE CORRECTION
Excessive
vibration
Starter rope hard
to pull
Loss of drive
, , ,,,,, ,,, , =
Grass catcher
not filling (if so
equipped)
Hard to push
1, Worn, bent or loose blade.
2. Bent engine crankshafL
.
2_
3,
4.
Engine flywheel brake is on
when control bar is released.
Bent engine crankshafL
Blade adapter broken.
Blade dragging in gras&
I, Drive wheels not tuming
with drive control engaged°
2. Belt not driving
1o Cutting height too low.
2, Lift on blade worn off,
3. Catcher not venting air,
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1, Grass is too high or wheel
height is too tow,
2, Rear of lawn mower
housing or blade dragging
in grass.
3. Grass catcher too full.
4. Handle height position not
right for you,
1o 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 control
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 (1) setting
higher.
3, Empty grass catcher°
4, Adjust handle height to
suit,
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