Troubleshooting

Problem

 

Possible Causes

 

Likely Solutions

Tool will not start.

1.

Cord not connected.

1.

Check that cord is plugged in.

 

2.

No power at outlet.

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.

Tool’s thermal reset breaker

3.

Turn off tool and allow to cool.

 

 

tripped (if equipped).

 

Press reset button on tool.

 

4.

Internal damage or

4.

Have technician service tool.

 

 

wear. (Carbon brushes or

 

 

 

 

switch, for example.)

 

 

Tool operates slowly.

Extension cord too long or

Eliminate use of extension cord. If an extension

 

wire size too small.

cord is needed, use shorter/heavier gauge cord.

 

 

 

See Extension Cords in GROUNDING section.

Performance

1. Accessory dull or damaged.

1.

Keep cutting accessories sharp.

decreases over time.

 

 

 

Replace as needed.

 

2.

Internal lubrication cold.

2.

Allow tool to operate with no load

 

 

 

 

for 5 minutes before use.

 

3.

Carbon brushes worn

3.

Have qualified technician replace brushes.

 

 

or damaged.

 

 

Excessive noise

Internal damage or wear. (Carbon

Have technician service tool.

or rattling.

brushes or bearings, for example.)

 

 

Overheating.

1.

Forcing tool to work too fast.

1.

Allow tool to work at its own rate.

 

2.

Accessory dull or damaged.

2.

Keep cutting accessories sharp.

 

 

 

 

Replace as needed.

 

3.

Blocked motor housing vents.

3.

Wear ANSI-approved safety goggles and NIOSH-

 

 

 

 

approved dust mask/respirator while blowing

 

 

 

 

dust out of motor using compressed air.

 

4.

Motor being strained by long or

4.

Eliminate use of extension cord. If an

 

 

small diameter extension cord.

 

extension cord is needed, use one with the

 

 

 

 

proper diameter for its length and load. See

 

 

 

 

Extension Cords in GROUNDING section.

Follow all safety precautions whenever diagnosing or servicing the tool. Disconnect power supply before service.

PLEASE READ THE FOLLOWING CAREFULLY

THE MANUFACTURER AND/OR DISTRIBUTOR HAS PROVIDED THE PARTS LIST AND ASSEMBLY DIAGRAM IN THIS MANUAL AS A REFERENCE TOOL ONLY. NEITHER THE MANUFACTURER OR DISTRIBUTOR MAKES ANY REPRESENTATION OR WARRANTY OF ANY KIND TO THE BUYER THAT HE OR SHE IS QUALIFIED TO MAKE ANY REPAIRS TO THE PRODUCT, OR THAT HE OR SHE IS QUALIFIED TO REPLACE ANY PARTS OF THE PRODUCT. IN FACT, THE MANUFACTURER AND/OR DISTRIBUTOR EXPRESSLY STATES THAT ALL REPAIRS AND PARTS REPLACEMENTS SHOULD BE UNDERTAKEN BY CERTIFIED AND LICENSED TECHNICIANS, AND NOT BY THE BUYER. THE BUYER ASSUMES ALL RISK AND LIABILITY ARISING OUT OF HIS OR HER REPAIRS TO THE ORIGINAL PRODUCT OR REPLACEMENT PARTS THERETO, OR ARISING OUT OF HIS OR HER INSTALLATION OF REPLACEMENT PARTS THERETO.

Page 12

For technical questions, please call 1-800-444-3353.

SKU 68147

Page 12
Image 12
Harbor Freight Tools 68147 operating instructions Troubleshooting, Problem Possible Causes Likely Solutions