Troubleshooting

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

Problem

 

Possible Solution

 

 

 

Air leak near top of tool.

1.

Tighten all screws on the cylinder cap. (See Assy. Diagram.)

 

2.

Have a qualified service technician install a head valve piston set.

Tool does not work.

1.

Check all air connections for leaks.

 

2.

Make sure to fully depress the nose of the workpiece when

 

 

attempting to fire a nail.

 

3.

Check for nail jams. Clear the jam if necessary.

 

4.

Have a qualified service technician check out the tool.

Sluggish operation.

1.

Make sure the compressor regulator is set below 120 PSI. Make

 

 

sure the compressor used produces sufficient C.F.M. to operate the

 

 

Nailer.

 

2.

Check all air connections for leaks.

 

3.

Have a qualified service technician install a head valve piston set.

Air leak near bottom of tool.

1.

Tighten all screws.

 

2.

Have a qualified service technician replace the bumper or head

 

 

valve piston set.

Poor return after firing tool.

1.

Have a qualified service technician clean the interior of the tool and/

 

 

or replace the bumper or head valve piston set.

Weak driving force.

1.

Make sure the compressor regulator is set below 120 PSI.

 

2.

Check all air connections for leaks.

 

3.

Have a qualified service technician clean the interior of the tool

 

 

and/or replace the bumper or head valve piston set.

Poor feed.

1.

Have a qualified service technician clean the interior of the tool

 

 

and/or lubricate the magazine and install a new magazine spring.

Tool jamming too often.

1.

Have a qualified service technician clean the interior of the tool

 

 

and/or lubricate the magazine and install a new magazine spring.

Other problems.

1.

Have a qualified service technician check out the tool.

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

Rev 09l

SKU 98917

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

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Harbor Freight Tools 98917 operating instructions Troubleshooting, Problem Possible Solution