Craftsman 137.21239 - Manual (Page 42)

42
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