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Central Pneumatic 40116 - User Manual

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Model
AIR NAILER/STAPLER
2-IN-1 KIT
97524
40116
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.

Questions and Answers

  • S
    Samantha HoffmanAug 13, 2025
    What to do if Central Pneumatic Nail Gun tool skips a nail?
    • S
      stonechelseaAug 13, 2025
      If your Central Pneumatic Nail Gun skips nails, there are several potential causes and solutions: * Replace the worn Bumper (94) or Pusher Spring. * Clean channels in the Driver Guide (58) to remove any dirt. * Ensure adequate airflow by checking the hose and compressor fittings. * Replace or lubricate worn or dry O-Rings on the Piston. * Replace damaged O-Rings on the Trigger Valve. * Replace a leaking Cap Gasket (9).
  • D
    Dr. Madeline BaileyAug 16, 2025
    Why Central Pneumatic Nailer/Stapler will not drive down tight?
    • K
      Katherine HuertaAug 16, 2025
      If your Central Pneumatic Nailer/Stapler isn't driving nails in all the way, it could be due to: 1. A rounded Driver (17A) slipping off the fastener crown: Replace the Driver (17A). 2. Insufficient air pressure: Ensure you're supplying the correct pressure (60-100 PSI). 3. Slow cycling and power loss: Inspect the Compression Spring (8) for broken coils or reduced length and ensure the Exhaust is clear.
  • T
    Todd SilvaAug 20, 2025
    How to fix Central Pneumatic 40116 fasteners when they are jammed?
    • D
      Donald JacksonAug 20, 2025
      If the fasteners are jammed in your Central Pneumatic Nail Gun, consider these solutions: 1. Replace the worn guide on the driver. 2. Use correct, undamaged fasteners. 3. Tighten loose magazine or nose screws. 4. Replace the damaged Driver (17A).
  • A
    Adam NealAug 25, 2025
    What causes air leaking between Housing and Nose in Central Pneumatic 40116 Nail Gun?
    • K
      Kimberly StevensAug 25, 2025
      Air leaking between the housing and nose of your Central Pneumatic Nail Gun can be caused by: 1. Loose screws in the housing: Tighten the screws. 2. Damaged O-Rings/Bumper (94): Replace the O-Rings or Bumper (94).
  • E
    Eric JacksonAug 28, 2025
    Why Central Pneumatic Nail Gun runs slowly or has power loss?
    • A
      Amy SmithAug 28, 2025
      Your Central Pneumatic Nail Gun might run slowly or lose power due to: 1. Insufficient oil: Lubricate the tool as instructed. 2. A broken Spring in the Cylinder Cap (4): Replace the Compression Spring (8). 3. A blocked exhaust: Clean the Cap (4) or replace any damaged parts.
  • M
    Matthew GillAug 31, 2025
    Why Central Pneumatic 40116 Nail Gun blade driving fastener too deeply?
    • M
      Melissa LewisAug 31, 2025
      If the blade on your Central Pneumatic Nail Gun is driving fasteners too deeply, it's likely due to a worn Bumper (94) and/or Piston Spacer. Replace either or both parts to resolve this issue.
  • M
    Mary ThomasSep 4, 2025
    How to resolve air leaking at Trigger area in Central Pneumatic 40116?
    • R
      Russell NewtonSep 4, 2025
      If you notice air leaking at the trigger area of your Central Pneumatic Nail Gun, it's likely that the O-Rings in the Valve Body (100) are damaged. Replace the O-Rings and check the contact trip operation.
  • M
    Miss Tiffany ChoiSep 8, 2025
    What causes air leaking between Housing and Cap (4) in Central Pneumatic 40116?
    • G
      Gina ReidSep 8, 2025
      Air leaking between the Housing and Cap (4) of your Central Pneumatic Nail Gun can be caused by: 1. Loose screws: Tighten the screws. 2. Damaged Gasket (9): Replace the Gasket (9).

Summary

Product Specifications

Manual Handling and Storage

Save This Manual

Instructions on why and how to keep the manual for future reference.

Safety Instructions and Precautions

General Safety Practices

Essential safety guidelines to prevent injury and damage during operation.

Unpacking and Initial Setup

Unpacking the Tool

Steps and checks to perform when first receiving the tool.

Air Line Setup

How to connect the air hose and components to the tool.

Operating the Tool

Testing Safety Mechanism

Procedure to verify the tool's safety trip mechanism functions correctly.

Loading Nails or Staples

Instructions on how to properly load fasteners into the tool's magazine.

Firing the Nailer;Stapler

Step-by-step guide on how to operate the tool to drive fasteners.

Maintenance and Repairs

Maintenance Preparation

Essential steps before performing any maintenance or repairs on the tool.

Clearing Jams

Detailed procedure for resolving fastener jams in the tool.

Troubleshooting Guide

Common problems, their likely causes, and solutions for the tool.

Detailed Maintenance Steps

Regular maintenance tasks to ensure optimal tool performance and lifespan.

Parts List and Assembly

Parts List

A comprehensive list of all parts for the tool with their corresponding numbers.

Assembly Drawing

Warranty Information

Central Pneumatic 40116 Specifications

General IconGeneral
BrandCentral Pneumatic
Model40116
TypeNail Gun
Power SourcePneumatic
Nail Size18 gauge
Magazine Capacity100
Fastener TypeBrad Nails
Air Inlet1/4 inch NPT

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