Central Pneumatic 40115 User Manual

Central Pneumatic 40115

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AIR NAILER/STAPLER

2-IN-1 KIT

97525

40115

ASSEMBLY and OPERATING INSTRUCTIONS

Diagrams within this manual may not be drawn proportionally.

Due to continuing improvements, actual product may differ slightly from the product described herein.

Distributed exclusively by Harbor Freight Tools

®

.

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.

Copyright

©

2007 by Harbor Freight Tools

®

. All rights reserved. No portion of this

manual or any artwork contained herein may be reproduced in any shape or form

without the express written consent of Harbor Freight Tools.

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

Model

Table of Contents

Questions and Answers:

G
gmackAug 12, 2025
What to do if Central Pneumatic 40115 Nail Gun skips a nail?
- C
  Cheryl BrownAug 12, 2025
  If your Central Pneumatic Nail Gun is skipping nails, several factors could be the cause. It could be due to a worn bumper or a damaged pusher spring, in which case you should replace the bumper or pusher spring. Another reason could be dirt in the driver guide, so try cleaning the channels in the driver guide. Also, check the hose and compressor fittings to ensure adequate airflow. Worn or dry O-rings on the piston or a damaged O-ring on the trigger valve could also be the problem, so replace or lubricate the O-rings as needed. Finally, a leaking cap gasket could be the culprit, so replace the gasket.
S
Steven BellAug 16, 2025
What to do if Central Pneumatic 40115 fasteners are jammed?
- J
  Jose LeonAug 16, 2025
  If fasteners are jamming in your Central Pneumatic Nail Gun, it might be because the guide on the driver is worn, requiring you to replace it. Another reason could be that you are using the wrong size or damaged fasteners, so use correct, undamaged fasteners. Loose magazine or nose screws can also cause this issue; tighten the screws. Lastly, the driver itself might be damaged, in which case you should replace it.
N
nataliehubbardAug 19, 2025
Why Central Pneumatic Nail Gun will not drive down tight?
- J
  John WilsonAug 20, 2025
  If your Central Pneumatic Nail Gun isn't driving nails in all the way, it could be due to a rounded driver slipping off the fastener crown, so you may need to replace the driver. Another cause could be insufficient air pressure; ensure you're supplying the correct pressure (60-100 PSI). Slow cycling and loss of power could also be the reason; inspect the compression spring for broken coils or reduced length and make sure the exhaust is clear.
X
xcrossAug 23, 2025
Why Central Pneumatic 40115 runs slowly or has power loss?
- T
  Tyler MoralesAug 23, 2025
  If your Central Pneumatic Nail Gun is running slowly or losing power, it could be due to insufficient oil. Try lubricating it as instructed. Another cause could be a broken spring in the cylinder cap, so consider replacing the compression spring. A blocked exhaust could also be the issue, so clean the cap or replace any damaged parts.
J
Joshua BergAug 27, 2025
How to fix air leaking between Housing and Nose of Central Pneumatic 40115?
- C
  Carla WalkerAug 27, 2025
  If you notice air leaking between the housing and nose of your Central Pneumatic Nail Gun, it could be due to loose screws in the housing, so try tightening them. Alternatively, the O-rings or bumper might be damaged, in which case you should replace them.
A
Adam WilsonAug 31, 2025
Why Central Pneumatic 40115 blade driving fastener too deeply?
- C
  Christopher GarrettAug 31, 2025
  If the blade of your Central Pneumatic Nail Gun is driving fasteners too deeply, it's likely due to a worn bumper and/or piston spacer. Replace either or both parts to resolve this issue.
B
Brent SimsSep 3, 2025
How to fix air leaking at Trigger area of Central Pneumatic 40115 Nail Gun?
- P
  Patricia CruzSep 3, 2025
  If air is leaking at the trigger area of your Central Pneumatic Nail Gun, it is likely that the O-rings in the valve body are damaged. Replace the O-rings and check the contact trip operation.
K
karen44Sep 7, 2025
What to do if air leaking between Housing and Cap of Central Pneumatic 40115?
- J
  Jose HernandezSep 7, 2025
  If air is leaking between the housing and cap of your Central Pneumatic Nail Gun, it could be due to loose screws. Try tightening the screws. Another potential cause is a damaged gasket, so replace the gasket if necessary.

Central Pneumatic 40115 Specifications

General

Brand	Central Pneumatic
Model	40115
Category	Nail Gun
Language	English

Summary

Assembly and Operating Instructions

Product Specifications

Key technical details including air pressure, magazine capacity, and fastener sizes.

General Safety Warnings and Precautions

Essential safety guidelines to prevent personal injury and equipment damage.

Personal Protective Equipment

Requirements for wearing safety goggles, hearing protection, and proper clothing.

Tool Maintenance and Care

Instructions for maintaining the tool's condition for safe performance.

Preventing Unintentional Operation

Procedures to ensure the tool does not fire unexpectedly.

Pre-Use Inspection

Guidelines for checking tool components for damage before operation.

Power Source Requirements

Specifies the use of compressed air only and safe pressure limits.

Loading and Firing Precautions

Warnings against loading with trigger depressed and firing into unsafe surfaces.

Handling Hazardous Materials

Cautionary advice when working with treated woods or materials producing toxic dust.

Safe Tool Transport

Proper methods for moving the nailer/stapler safely.

Operation and Maintenance

Unpacking and Air Line Setup

Steps for unpacking the tool and connecting the air supply.

Safety Mechanism Testing

Procedure to verify the functionality of the sequential safety trip mechanism.

Loading Fasteners

Step-by-step guide on how to load nails or staples into the magazine.

Using the Nailer/Stapler

Instructions on how to operate the tool for driving fasteners.

Pre-Maintenance Steps

Essential safety procedures to follow before any maintenance or repair.

Clearing Jams

Detailed instructions for safely removing jammed fasteners.

Troubleshooting Common Issues

Guide to identify and resolve problems like air leaks or slow operation.

Routine Maintenance Procedures

Guidance on lubrication, cleaning, and regular tool upkeep.

Parts Identification

A list and description of all individual parts of the tool.

Product Information and Support

Assembly Diagram

Visual illustration showing the arrangement of tool components.

Limited One Year Warranty

Details concerning the product's warranty coverage and terms.

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