Dewalt D51321 Coil Roofing Nailer Manual

The Dewalt D51321 is a high-performance coil roofing nailer designed for efficient and reliable fastening of roofing materials. It features a lightweight design, adjustable depth control, and a powerful motor that drives nails quickly and accurately. This manual provides essential information on safety, features, installation, operation, and troubleshooting.

1. Features at a Glance 2. Installation 3. First-Time Setup 4. Specifications 5. Controls and Settings 6. Connecting Devices 7. Operating the Nailer 8. Maintenance 9. Safety Information 10. Troubleshooting

Features at a Glance

Key features include: lightweight aluminum body, adjustable depth control, tool-free jam release, and a comfortable rubber grip.

Feature	Description
Lightweight Design	Easy to handle for extended periods
Adjustable Depth Control	Allows for precise nail placement
Tool-Free Jam Release	Quickly clears jams without tools
Rubber Grip	Provides comfort and reduces fatigue
High Capacity Magazine	Holds up to 120 nails for less downtime

Installation

Ensure the nailer is properly assembled and all components are securely attached.

Attach the air hose: Connect the nailer to a compressor using the appropriate fittings.
Load nails: Open the magazine and insert the coil of nails.
Adjust pressure: Set the compressor to the recommended PSI for optimal performance.

WARNING! Always wear safety goggles and follow safety precautions during installation.

First-Time Setup

Before using the nailer, ensure all settings are configured correctly.

Check air pressure: Ensure the compressor is set to the recommended PSI.
Test firing: Perform a test fire on scrap material to ensure proper operation.
Adjust depth: Set the depth control to match the thickness of the material being used.

CAUTION! Always test on scrap material before actual use.

Specifications

Model: Dewalt D51321
Nail Type: Coil roofing nails
Magazine Capacity: 120 nails
Operating Pressure: 70-120 PSI
Weight: 4.5 lbs
Dimensions: 12 x 12 x 5 inches
Warranty: 3 years limited

Controls and Settings

Familiarize yourself with the controls for optimal use.

Controls: Trigger, depth adjustment, and jam release lever.

Settings: Adjust the depth control for different materials and nail lengths.

Connecting Devices

Connect the nailer to an air compressor using a compatible air hose.

Ensure the compressor is off before connecting.
Use the appropriate fittings to connect the air hose.
Turn on the compressor and adjust the pressure as needed.

Tip: Always check for leaks in the air hose before use.

Operating the Nailer

Follow these steps for safe and effective operation.

Position the nailer against the material.
Pull the trigger to fire the nail.
Release the trigger to stop firing.
Adjust the depth if necessary for different materials.

WARNING! Keep hands clear of the firing area at all times.

Maintenance

Regular maintenance ensures optimal performance and longevity.

Clean the nailer regularly to remove dust and debris.
Lubricate moving parts as recommended in the manual.
Inspect for wear and replace parts as necessary.

CAUTION! Always disconnect from the air supply before performing maintenance.

Safety Information

Follow all safety guidelines to prevent accidents and injuries.

Always wear safety goggles and hearing protection.
Keep hands and body away from the firing area.
Do not point the nailer at anyone.
Disconnect from the air supply when not in use.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Nailer does not fire	No air supply	Check compressor and connections.
Jams frequently	Incorrect nail size	Use the correct nail type and size.
Inconsistent nail depth	Pressure too low	Adjust air pressure to recommended level.
Air leaks	Damaged hose	Inspect and replace damaged hoses.

Reset: Refer to the manual for reset procedures if applicable.

Service: Contact Dewalt customer service for assistance.