Harbor Freight Tools 68169 - Manual (Page 13)

Page 13 For technical questions, please call 1-800-444-3353. Item 68169
SAFET
y
O
PERA
TION
M
AINTENAN
c
E
SETUP
Troubleshooting
Problem Possible causes Likely Solutions
Tool will not start. 1. Cord not connected.
2. No power at outlet.
3. Internal damage or wear. (Carbon
brushes or Trigger, for example.)
1. Check that cord is plugged in.
2. Check power at outlet. If outlet is unpowered, turn off tool
and check circuit breaker. If breaker is tripped, make sure
circuit is right capacity for tool and circuit has no other loads.
3. Have technician service tool.
Tool operates slowly. 1. Forcing tool to work too fast.
2. Extension cord too long or cord
diameter too small.
1. Allow tool to work at its own rate.
2. Eliminate use of extension cord.
If an extension cord is needed, use one with
the proper diameter for its length and load.
See Extension Cords in Grounding section on page 6.
Performance
decreases over time.
1. Carbon brushes worn or damaged.
2. Bit dull or damaged. 1. Have qualified technician replace brushes.
2. Keep bits sharp. Replace as needed.
Excessive noise
or rattling.
Internal damage or wear. (Carbon
brushes or bearings, for example.)
Have technician service tool.
Overheating. 1. Forcing tool to work too fast.
2. Bit dull or damaged.
3. Blocked motor housing vents.
4. Motor being strained by long or
small diameter extension cord.
1. Allow tool to work at its own rate.
2. Keep bits sharp. Replace as needed.
3. Wear ANSI-approved safety goggles and
NIOSH-approved dust mask/respirator while blowing
dust out of motor using compressed air.
4. Eliminate use of extension cord.
If an extension cord is needed, use one with
the proper diameter for its length and load.
See Extension Cords in Grounding section on page 6.
Follow all safety precautions whenever diagnosing or servicing the tool.
Disconnect power supply before service.