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SKU   97524  

 

 

 

 

 

 

 

 

 

 

 

 

40116 

Page 8

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

Anytime 

any

 maintenance or repairs are done, FIRST:

1.  Disconnect the Nailer/Stapler from the air hose.
2.  Empty Magazine A (67) 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 (67) 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 (100) are 

damaged.

Replace O-Rings and check 

contact trip operation.

Air leaking between 

Housing and Nose.

Loose screws in Housing.

1. 

Damaged O-Rings/Bumper (94).

2. 

Tighten screws.

1. 

Replace O-Rings or Bumper 

2. 

(94).

Air leaking between 

Housing and Cap (4).

Loose screws.

1. 

Damaged Gasket (9).

2. 

Tighten Screws.

1. 

Replace Gasket (9).

2. 

Runs slowly or has power 

loss.

Insufficient oil.

1. 

Broken Spring in Cylinder Cap (4).

2. 

Exhaust is blocked.

3. 

Lubricate as instructed.

1. 

Replace Compression Spring (8).

2. 

Clean Cap (4) or replace 

3. 

damaged parts.

Tool skips a nail.

Worn Bumper (94) or damaged 

1. 

Pusher Spring.

Dirt in Driver Guide (58).

2. 

Inadequate airflow to Nailer/

3. 

Stapler.

Worn or dry O-Ring on Piston.

4. 

Damaged O-Ring on Trigger Valve.

5. 

Cap Gasket (9) leaking.

6. 

Replace Bumper (94) or Pusher 

1. 

Spring.

Clean channels in Driver Guide (58).

2. 

Check hose and compressor 

3. 

fittings.

Replace or lubricate O-Rings.

4. 

Replace O-Rings.

5. 

Replace Gasket (9).

6. 

Fasteners are jammed.

Guide on driver is worn.

1. 

Fasteners are wrong size or 

2. 

damaged.

Magazine or Nose screws are loose.

3. 

Driver (17A) is damaged.

4. 

Replace Guide.

1. 

Use correct, undamaged 

2. 

Fasteners.

Tighten screws.

3. 

Replace Driver (17A).

4. 

Nailer/Stapler will not 

drive down tight.

Rounded Driver (17A) slipping off 

1. 

fastener crown.

Lack of air pressure.

2. 

Slow cycling and loss of power.

3. 

Replace Driver (17A).

1. 

Supply correct pressure (60-100 

2. 

PSI).

Check Compression Spring 

3. 

(8) for broken coils or reduced 

length. 

Make sure Exhaust is clear.

Blade driving fastener too 

deeply.

Worn Bumper (94) and/or Piston 

Spacer.

Replace either or both parts.

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

Summary of Contents for 40116

Page 1: ...ls 3491 Mission Oaks Blvd Camarillo CA 93011 Visit our website at http www harborfreight com Read this material before using this product Failure to do so can result in serious injury Save this manual...

Page 2: ...ing this tool 1 Keep work area clean Cluttered areas invite injuries 2 Observe work area conditions Do not use machines or power tools in damp or wet locations Do not expose to rain Keep work area wel...

Page 3: ...ther it contains fasteners or not 13 Stay alert Watch what you are doing use common sense Do not operate any tool when you are tired 14 Check for damaged parts Before using any tool any part that appe...

Page 4: ...oading 24 Do not fire fasteners too close to the edge of a workpiece They may split the workpiece and fly free causing personal injury 25 Take caution as some woods contain preservatives such as coppe...

Page 5: ...ervice you should incorporate an oiler regulator and inline filter as shown in the diagram above Hoses couplers oilers regulators and filters are all available at Harbor Freight Tools 1 You will need...

Page 6: ...epaired by a qualified service technician Operation Testing The Single Sequential Safety Trip Mechanism continued Loading Nails or Staples Always wear ANSI approved impact safety goggles when reloadin...

Page 7: ...Figure 3 4 Carefully slide the Driver Cover 57 off around the Safety 52 Note the position of the tab on the Driver Cover 57 Remove the jammed fastener pliers may be necessary to remove a stuck fasten...

Page 8: ...crews 1 Replace Gasket 9 2 Runs slowly or has power loss Insufficient oil 1 Broken Spring in Cylinder Cap 4 2 Exhaust is blocked 3 Lubricate as instructed 1 Replace Compression Spring 8 2 Clean Cap 4...

Page 9: ...DERTAKEN 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 A...

Page 10: ...4 40116 Page 10 For technical questions please call 1 800 444 3353 Assembly Drawing NOTE Some parts are listed and shown for illustration purposes only and are not available individually as replacemen...

Page 11: ...on or limitation of incidental or consequential damages so the above limitation of exclusion may not apply to you This warranty is expressly in lieu of all other warranties express or implied includin...

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