The DeWalt 51844 nail gun is a reliable and durable tool commonly used in construction and woodworking. Like all power tools, it requires occasional maintenance to keep it performing at its best. In this guide, we’ll provide clear and concise instructions on how to rebuild your DeWalt 51844 nail gun, ensuring that it remains a dependable asset for your projects.

Materials and Tools You’ll Need:

• DeWalt 51844 nail gun
• Rebuild kit for your specific model
• Safety glasses
• A clean, well-ventilated workspace
• A socket set
• A mallet
• A soft brush
• Lubricating oil
• A clean, lint-free cloth

Safety First:
Safety is paramount when working with power tools. Always wear safety glasses to protect your eyes during the maintenance process.

Step 1: Disconnect the Air Supply:
Before beginning any maintenance, ensure that the nail gun is disconnected from the compressed air source to prevent accidental firing.

Step 2: Disassemble the Nail Gun:
To start the rebuilding process, disassemble the nail gun by following these steps:

• Remove the fasteners: Using a socket set, carefully remove all the fasteners securing the nail gun housing.

• Gently tap: Lightly tap the housing with a mallet if it’s stuck. Be cautious not to use excessive force to avoid damaging the nail gun.

Step 3: Cleaning and Inspection:
With the nail gun disassembled, thoroughly clean and inspect the components:

• Carefully brush away dirt and debris: Use a soft brush to clean the interior and exterior of the nail gun.
• Inspect for wear and damage: Check all components for signs of wear, damage, or corrosion. Replace any worn or damaged parts with those from the rebuild kit.

Step 4: Rebuild the Nail Gun:
Install the new components from your rebuild kit according to the manufacturer’s instructions. Pay special attention to the following:

• O-rings: Lubricate the O-rings with nail gun oil before installation.
• Driver blade and piston assembly: Ensure proper alignment and installation.

Step 5: Reassembly:
Reassemble the nail gun by following these steps:

• Reattach the housing: Place the housing back onto the nail gun and secure it with the fasteners.
• Tighten fasteners: Ensure all fasteners are securely tightened.

Step 6: Lubrication:
Before use, apply a few drops of lubricating oil to the air inlet to ensure proper internal lubrication.

Step 7: Functional Test:
Reconnect the nail gun to the compressed air source and test its operation in a safe and controlled environment. Ensure that it fires nails accurately and consistently.

Conclusion:

Rebuilding your DeWalt 51844 nail gun is a cost-effective way to extend its lifespan and maintain its performance. This process, while involving some technical steps, can be performed with the right tools and a bit of patience. Always refer to your user manual for specific instructions, and remember to prioritize safety by wearing appropriate protective gear when working with power tools.