TROUBLESHOOTING

Problem

 

Possible Solution

Chisel installs with difficulty.

1. Make sure the Chisel shank, Front Cap, and Slider are free of

 

 

debris and lightly oiled or greased. (See page 12.)

Tool does not run.

1. Make sure the Power Switch is in its “ON” position.

 

 

(See page 11.)

 

2.

Make sure the Power Cord & Plug is connected to a working

 

 

120 volt, grounded electrical outlet. (See page 9.)

 

3.

Make sure the Power Cord & Plug is not damaged.

 

4.

Make sure the tool is filled with approximately 1-1/4 ounces

 

 

of #3 Lithium-base grease. (See page 11.)

 

5.

Check the Motor Carbon Brushes for excessive wear

 

 

and/or debris. Replace or clean if necessary. (See page 14.)

 

6.

Have a qualified service technician check out the tool.

Tool does not stop.

1. Make sure the Power Switch is in its “OFF” position.

 

 

(See page 11.)

 

2.

Immediately disconnect the Power Cord & Plug from its

 

 

electrical outlet, and have a qualified service technician

 

 

check out the tool for damage and/or defects.

Poor cutting efficiency.

1. Make sure the Chisel is clean and sharp.

 

2.

Adjust the Variable Speed Control Dial for the type of work

 

 

being done. (See page 12.)

 

3.

Apply moderate pressure only. Allow the tool to do the

 

 

cutting without being forced.

 

4.

Check the Motor Carbon Brushes for excessive wear

 

 

and/or debris. Replace or clean if necessary. (See page 14.)

 

5.

Have a qualified service technician check out the tool for

 

 

damage and/or defects.

Tool overheats and suddenly

1. Make sure the tool is filled with approximately 1-1/4 ounces

stops running.

 

of #3 Lithium-base grease. (See page 11.)

 

2.

Make sure the Motor Air Vents are clean and free of

 

 

debris. (See page 14.)

 

5.

Have a qualified service technician check out the tool for

 

 

damage and/or defects.

SKU 93853

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

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Harbor Freight Tools 93853 operating instructions Troubleshooting, Problem Possible Solution