Harbor Freight Tools 95578 - Manual (Page 17)

SKU 95578 For technical questions, please call 1-800-444-3353. Page 17
Troubleshooting
Problem Possible Causes Likely Solutions
Tool will not start. 1. Cord not connected.
2. No power at outlet.
3. Tool’s thermal reset breaker tripped
(if equipped).
4. Brushes damaged.
5. Internal damage or wear.
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. Turn off tool and allow to cool. Press reset
button on tool.
4. Have a qualified service technician replace
brushes.
5. Have technician service tool.
Tool operates slowly. 1. Excess pressure applied to
workpiece.
2. Power being reduced by long or
small diameter extension cord.
1. Decrease pressure, allow tool to do the
work.
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.
Performance
decreases over time.
Carbon brush worn or damaged. Have service technician replace brush.
Excessive noise or
rattling.
1. Brushes damaged.
2. Internal damage or wear.
(Bearings, for example.)
1. Have a qualified service technician replace
brushes.
2. Have technician service tool.
Overheating. 1. Forcing tool to work too fast.
2. Blocked motor housing vents.
3. Motor being strained by long or
small diameter extension cord.
1. Allow tool to work at its own rate.
2. Wear ANSI-approved safety goggles and
NIOSH-approved dust mask/respirator
while blowing dust out of motor using
compressed air.
3. 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.
Tool does not grind,
sand or brush
effectively.
1. Disc accessory may be loose on
Spindle. Check tightness of Outer
Flange Arbor Nut or threaded disc
accessory on Spindle.
2. Disc accessory may be damaged,
worn or wrong type for the material.
1. Be sure disc accessory is of correct
dimension and Outer Flange Arbor Nut is
tight.
2. Check condition and type of disc
accessory. Use only proper type of disc
accessory in good condition.
Follow all safety precautions whenever diagnosing or servicing the
tool. Disconnect power supply before service.
REV 10c