Anytime any maintenance or repairs are done, FIRST:

1.Disconnect the Nailer/Stapler from the air hose.

2.Empty Magazine A (61) completely.

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

4.Always leave Magazine A (61) open during maintenance. The Magazine is spring- loaded and may cause parts or a fastener to fly out of the Nailer/Stapler.

Troubleshooting Guide

Stop using the Nailer/Stapler immediately if any of the following problems occur.

Repairs and part replacements must be done only by a qualified technician.

All procedures in bold on this chart are to be attempted only be a qualified technician.

Problem

 

 

Likely Cause

 

Solution

 

Air leaking at Trigger area.

O-Rings in Valve Body (92) are

Replace O-Rings and check contact

damaged.

trip operation.

 

 

 

 

 

 

 

 

 

 

Air leaking between

 

1. Loose screws in Housing.

1.

Tighten screws.

 

Housing and Nose.

 

2. Damaged O-Rings/Bumper (85).

2.

Replace O-Rings or Bumper (85).

Air leaking between

 

1. Loose screws.

1.

Tighten Screws.

 

Housing and Cap (4).

2. Damaged Gasket (9).

2.

Replace Gasket (9).

 

 

 

1.

Insufficient oil.

1.

Lubricate as instructed.

 

Runs slowly or has power

2. Broken Spring in Cylinder Cap

2.

Replace Compression Spring (8).

loss.

 

 

(4).

3.

Clean Cap (4) or replace damaged

 

 

3.

Exhaust is blocked.

 

parts.

 

 

 

1.

Worn Bumper (85) or damaged

1.

Replace Bumper (85) or Pusher

 

 

 

Pusher Spring.

 

Spring.

 

 

 

2.

Dirt in Driver Guide (52).

2.

Clean channels in Driver Guide

 

 

3.

Inadequate airflow to Nailer/

 

(52).

 

Tool skips a nail.

 

 

Stapler.

3.

Check hose and compressor

 

 

 

4.

Worn or dry O-Ring on Piston.

 

fittings.

 

 

 

5.

Damaged O-Ring on Trigger

4.

Replace or lubricate O-Rings.

 

 

 

Valve.

5.

Replace O-Rings.

 

 

 

6.

Cap Gasket (9) leaking.

6.

Replace Gasket (9).

 

 

 

1.

Guide on driver is worn.

1.

Replace Guide.

 

 

 

2.

Fasteners are wrong size or

2.

Use correct, undamaged Fasteners.

Fasteners are jammed.

 

damaged.

3.

Tighten screws.

 

 

 

3.

Magazine or Nose screws are

4.

Replace Driver (17A).

 

 

 

 

loose.

 

 

 

 

 

4.

Driver (17A) is damaged.

 

 

 

 

 

1.

Rounded Driver (17A) slipping

1.

Replace Driver (17A).

 

Nailer/Stapler will not drive

 

off fastener crown.

2.

Supply correct pressure (60-100

2.

Lack of air pressure.

 

PSI).

 

down tight.

 

 

 

 

3.

Slow cycling and loss of power.

3.

Check Compression Spring (8) for

 

 

 

 

 

 

 

broken coils or reduced length.

 

 

 

 

 

Make sure Exhaust is clear.

 

Blade driving fastener too

Worn Bumper (85) and/or Piston

Replace either or both parts.

 

deeply.

 

Spacer.

 

 

 

All procedures in bold on this chart are to be attempted only be a qualified technician.

SKU 97525

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

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Harbor Freight Tools 97525 Anytime any maintenance or repairs are done, First, Problem Likely Cause Solution