Harbor Freight Tools 97520 INSPECTION, MAINTENANCE, and Cleaning, Troubleshooting

Models: 97520

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INSPECTION, MAINTENANCE, AND CLEANING

Anytime any maintenance or repairs are done, FIRST:

1.Disconnect the Nailer from its air supply.

2.Empty the Magazine Assembly (70) completely.

3.Attempt to fire the Nailer into a piece of scrap wood to ensure that it is disconnected and is incapable of firing any Brads.

1.Inspect the air supply Screen that is located in the End Cap (81) before each use, and clean or replace as necessary. Dirt and water in the air supply Screen are major causes of pneumatic tool wear. Use a filter in the compressed air system for better performance and longer tool life. The filter must have adequate flow capacity for the specific application.

2.Clean the external parts of the Nailer with a clean cloth and mild detergent or non-flammable solvent. Then, dry.

3.Store the tool in a clean, dry, safe location out of reach of children.

4.CAUTION: All maintenance, service, or repairs not listed in this manual are only to be attempted by a qualified service technician.

 

 

TROUBLESHOOTING

 

 

 

Problem

 

Possible Solutions

Air leak near top of tool.

1.

Tighten all screws on the cylinder cap.

 

2.

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

Tool does not work.

1.

Make sure compressor is set between 70 to 120 PSI.

 

2.

Check all air connections for leaks.

 

3.

Make sure to fully depress the safety sleeve on the workpiece when attempting to fire

 

 

a fastener.

 

4.

Check for fastener jams. Clear the jam if necessary.

 

5.

Have a qualified service technician check out the tool.

Sluggish operation.

1.

Make sure the compressor is set between 70 to 120 PSI.

 

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 the tool.

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 compressor is set between 70 to 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.

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.

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

 

magazine and install a new magazine spring.

SKU 94481 For technical questions, please call 1-800-444-3353 PAGE 10

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Harbor Freight Tools 97520 operating instructions INSPECTION, MAINTENANCE, and Cleaning, Troubleshooting