Craftsman 900.370510 - Manual (Page 14)

14
Does not start
Poor performance
Poor cut – uneven
Excessive
vibration
Mower stops
Hard to push
Mower Does Not
Stop when
Operator Presence
Control Switch is
Released
• Power cord is not properly
plugged in
• No power from outlet
• Blade does not rotate
freely or mower deck is
clogged
• Grass too high or thick
• Worn, bent or loose blade
• Buildup of grass and
leaves under mower
• Worn, bent, unbalanced or
loose blade
• Bent motor motorshaft
• House circuit breaker trips
out or blows fuse
• Foreign material is block-
ing blade rotation
• Grass is too high or wheel
height is too low
• Operator presence control
switch is damaged
• Check extension cord
attachment at both mower and
outlet ends.
• Check breaker or fuse.
• Unplug power cord, turn mower
on its side and check blade.
Make sure it is free to rotate.
Also check for clogging.
• Raise mower cutting height to
cut 1/3 of grass length.
• Walk at a slower pace
• Reduce cutting width if needed.
• Unplug power cord, check deck
for clogging, check blade for
sharpness.
• Unplug power cord.
• Replace blade. Tighten blade
bolt.
• Unplug power cord and clean
underside of mower
housing.
• Unplug power cord.
• Replace blade. Tighten blade
bolt.
• Contact an authorized service
center.
• If mower won’t start, check
house circuit breaker or fuse.
• Unplug power cord, turn mower
over, and clean out deck.
• Walk slower.
• Reduce cutting width.
• Raise mower cutting height.
• Raise cutting height.
• Replace operator presence
control switch.
TROUBLESHOOTING CHART
PROBLEM CAUSE CORRECTION
598994-00,37051 8/9/05 10:17 AM Page 14