Maintenance; Troubleshooting Guide - Craftsman 152.22018 Owner's Manual

MAINTENANCE OF THE BENCH GRINDER
WARNING
!
Turn the power switch "OFF" and unplug the power
cord from its power source prior to any maintenance.
LUBRICATION
The Bench Grinder has sealed lubricated bearings in
the motor housing that do not require any additional
lubrication from the operator.
CLEANING
With the Bench Grinder unplugged, rotate the abrasive
wheels slowly and inspect for any damage or trapped
shavings.
TO PREVENT INJURY TO YOURSELF or damage to the Bench Grinder, turn the switch to the "OFF" position and
unplug the power cord from the electrical receptacle before making any adjustments.
PROBLEM LIKELY CAUSE(S)
Motor does
1. Machine not plugged in
not run
2. Power switch in "OFF" position
3. Power cord is faulty
4. Fuse or circuit breaker are open
5. Damaged motor
Motor does not
1. Incorrect line voltage
have full power
2. Damaged motor
Motor runs hot 1. Motor is overloaded
2. Poor air circulation around motor
Motor stalls or 1. Motor is overloaded
runs slow
2. Incorrect line voltage
3. Capacitor has failed
Fuse blows or 1. Motor overloaded
circuit breaker 2. Overloaded electrical circuit
trips 3. Wrong fuse or circuit breaker
4. Undersized or excessive length of
extension cord, see manual
5. Grinding wheels are blocked
CAUTION: REPLACE the abrasive wheels if there is
any damage at all. FAILURE to replace a damaged
wheel can cause serious injury to the operator.
CAUTION: DO NOT USE FLAMMABLE MATERIALS
to clean the Bench Grinder. A clean dry rag or brush is
all that is needed to remove dust and debris buildup.
Repairs to the Bench Grinder should be performed by
trained personnel only. Contact your nearest Sears
Service Center for authorized service. Unauthorized
repairs or replacement with non-factory parts could
cause serious injury to the operator and damage to the
Bench Grinder.
TROUBLESHOOTING
SOLUTION
1. Plug power cord into electrical receptacle
2. Lift switch to "ON" position
3. Return to Sears Service Center
4. Overloaded electrical circuit
5. Return to Sears Service Center
1. Have a qualified electrician check line for proper voltage
2. Return to Sears Service Center
1. Reduce pressure on workpiece
2. Remove any blockage around motor
1. Reduce pressure on workpiece
2. Have a qualified electrician check line for proper voltage
3. Return to Sears Service Center
1. Reduce pressure on workpiece
2. Reduce the amount of items on circuit
3. Replace with correct fuse or circuit breaker
4. Use correct size
5. Unplug machine and remove obstruction
13
WARNING
!