Craftsman 900.370510 Operator's Manual download pdf (Page 8)

tROUBLESHOOTING CHART

PROBLEM

Does not start

Poor performance

Poor cut-uneven

Excessive

vibration

Mower stops

CAUSE

* Power cord isnot properly

plugged in

t Mower Does Not

Stop when

Operator Presence

Control Switch is

Released

• 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

CORRECTION

• Check extension cord attach-

ment 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.

• Foreign material is block-

ing blade rotation

Hard to push • Grass is too high or wheel • Raise cutting height.

height is too low

Operator presence control • Replace operator presence

switch is damaged control switch.

• If mower won't start, check

house circuit breaker or fuse.

• Unplug power cord, turn mower

over, and clean out deck.

• Walk siower.

• Reduce cutting width.

• Raise mower cutting height.

p,.

€£

" 41

40 39

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Craftsman 900.370510 Operator's Manual Page 8

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