Dewalt Compressor D55146 Manual

The Dewalt D55146 is a portable electric air compressor designed for various applications, including powering pneumatic tools, inflating tires, and more. It features a 4.5-gallon tank, a powerful 1.6 HP motor, and a maximum pressure of 200 PSI. Below are key sections for safety, features, installation, setup, 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 Compressor 8. Maintenance 9. Safety Information 10. Troubleshooting

Features at a Glance

Key components: 4.5-gallon tank, 1.6 HP motor, maximum pressure of 200 PSI, dual couplers for multiple tool connections, and a lightweight design for portability.

Feature	Description
4.5-gallon tank	Provides ample air storage for extended use
1.6 HP motor	Delivers high performance for demanding applications
Maximum pressure of 200 PSI	Allows for a wide range of pneumatic tools
Dual couplers	Enables connection of two tools simultaneously
Portable design	Easy to transport and store

Installation

Unpack the compressor and inspect for any damage. Place it on a stable surface in a well-ventilated area.

Connect the air hose to the compressor outlet.
Ensure the drain valve is closed before operation.
Plug the compressor into a grounded outlet.

WARNING! Ensure the compressor is on a flat surface to prevent tipping.

First-Time Setup

Power on the compressor and allow it to build pressure before using any tools.

Check the oil level if applicable; add oil if necessary.
Set the desired pressure using the regulator.
Connect your pneumatic tool to the coupler.

CAUTION! Do not exceed the maximum pressure rating of your tools.

Specifications

Tank Capacity: 4.5 gallons.
Motor Power: 1.6 HP.
Maximum Pressure: 200 PSI.
Weight: 40 lbs.
Dimensions: 18 x 18 x 18 inches.
Power Source: 120V AC.

Controls and Settings

Access the pressure regulator and on/off switch located on the front panel. The pressure gauge displays the current tank pressure.

Note: Always monitor the pressure gauge during operation.

Connecting Devices

Ensure the compressor is off before connecting any tools.

Connect the air hose to the compressor outlet.
Attach your pneumatic tool to the other end of the air hose.
Turn on the compressor and adjust the pressure as needed.

Tip: Use quick-connect fittings for easy tool changes.

Operating the Compressor

To operate, turn on the compressor and allow it to reach the desired pressure before using your tools.

Monitor the pressure gauge during use.
Turn off the compressor when finished and disconnect tools.

WARNING! Do not operate the compressor in wet conditions.

Maintenance

Regular maintenance is essential for optimal performance.

Check and change the oil regularly if applicable.
Drain the tank after each use to prevent moisture buildup.
Inspect hoses and connections for wear and tear.

CAUTION! Always unplug the compressor before performing maintenance.

Safety Information

Always follow safety guidelines when operating the compressor.

Wear appropriate personal protective equipment.
Keep the compressor in a dry location.
Do not exceed the maximum pressure rating.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Compressor won't start	Power supply issue	Check the power cord and outlet.
Low pressure	Leak in hose	Inspect and replace damaged hoses.
Excessive noise	Loose parts	Tighten all screws and bolts.
Compressor cycles frequently	Improper pressure setting	Adjust the pressure regulator.

Reset: Unplug and plug back in to reset the compressor.