Craftsman 21237 Owner's Manual download pdf (Page 46)

46 47

TROUBLESHOOTING GUIDE

WARNING

To avoid injury from accidental starting, always turn switch OFF and unplug

the tool before moving, replacing the blade or making adjustments.

TROUBLESHOOTING GUIDE - MOTOR

PROBLEM PROBLEM CAUSE

SUGGESTED CORRECTIVE

ACTION

Brake does not

stop blade within

6 seconds.

1. Motor brushes not sealed

or lightly sticking.

2. Motor brake overheated

from use of defective or

wrong size blade or rapid

ON/OFF cycling.

3. Arbor bolt loose.

4. Brushes cracked,

damaged, etc.

5. Other.

1. Inspect/clean/

replace brushes. See

MAINTENANCE section.

2. Use a recommended

blade. Let cool down. See

REMOVING OR INSTALLING

THE BLADE section.

3. Retighten. See REMOVING

OR INSTALLING THE

BLADE section.

4. Replace brushes.

5. Contact Sears Service

Center.

Motor does not

start

1. Limit switch failure

2. Brush worn.

3. Fuse blown or circuit

breaker tripped on home

panel.

4. Other.

1. Replace limit switch.

2. Replace brushes. See

MAINTENANCE section.

3. Verify there is electrical power

at the outlet.

4. Contact Sears Service Center.

Brush spark when

switch released.

1. Brush worn.

2. Other.

1. Replace Brushes. See

MAINTENANCE section.

2. Contact Sears Service Center.

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Craftsman 21237 Owner's Manual Page 46

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