Dewalt D55155 Air Compressor Manual

The Dewalt D55155 is a portable air compressor designed for both professional and DIY use. It features a powerful 1.6 HP motor, a 4.5-gallon tank, and a maximum pressure of 200 PSI. This compressor is ideal for a variety of applications, including powering pneumatic tools, inflating tires, and more. 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 use, 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 various applications
Maximum pressure of 200 PSI	Suitable for a wide range of pneumatic tools
Dual couplers	Allows for simultaneous use of two tools
Portable design	Easy to transport and store

Installation

Unpack the compressor and inspect for any damage. Place it on a stable surface away from flammable materials.

Connect the air hose to the compressor outlet.
Ensure the drain valve is closed before starting.
Plug the compressor into a grounded outlet.
Turn on the power switch to start the compressor.

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

First-Time Setup

Before using the compressor for the first time, follow these steps:

Check the oil level and add oil if necessary.
Inspect all connections for leaks.
Set the pressure regulator to the desired PSI.
Run the compressor for a few minutes to ensure proper operation.

CAUTION! Do not exceed the maximum pressure rating.

Specifications

Tank Capacity: 4.5 gallons.
Motor Power: 1.6 HP.
Maximum Pressure: 200 PSI.
Weight: 50 lbs.
Dimensions: 18 x 18 x 18 inches.
Power Source: 120V AC.
Operating Temperature: 32°F to 104°F.

Controls and Settings

The compressor features an easy-to-use control panel with an on/off switch, pressure gauge, and pressure regulator.

Pressure Gauge: Displays current tank pressure.

Pressure Regulator: Adjusts the output pressure for connected tools.

Connecting Devices

To connect devices, follow these steps:

Ensure the compressor is turned off.
Connect the air hose to the compressor and the tool.
Turn on the compressor and adjust the pressure as needed.

Tip: Always check for leaks before using connected tools.

Operating the Compressor

To operate the compressor:

Turn on the power switch.
Adjust the pressure regulator to the desired setting.
Connect your pneumatic tool and begin use.
Monitor the pressure gauge during operation.

WARNING! Do not operate the compressor in wet conditions.

Maintenance

Regular maintenance is essential for optimal performance:

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

Safety Information

Always follow safety precautions when using the compressor:

Wear safety goggles and hearing protection.
Keep the compressor away from flammable materials.
Do not exceed the maximum pressure rating.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Compressor won't start	Power supply issue	Check power cord and outlet.
Low pressure	Leak in hose	Inspect and replace damaged hoses.
Excessive noise	Worn motor bearings	Contact service for repair.
Tank won't fill	Faulty pressure switch	Replace pressure switch.

Reset: Disconnect power for 5 minutes and reconnect.

Service: 1-800-433-9258; www.dewalt.com