Craftsman 137.21221 Manual De Usuario

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 10

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.

1. Replace limit switch.

2. Replace brushes. See

MAINTENANCE section.

3. Verify there is electrical power at

the outlet.

Brush spark

when switch

released.

1. Brush worn.

2. Other.

1. Replace Brushes. See

MAINTENANCE section.

2. Contact Sears Service Center.

WARNING

TROUBLESHOOTING GUIDE