Dewalt D55151 Air Compressor Manual

The Dewalt D55151 is a portable air compressor designed for professional contractors and DIY enthusiasts. It features a powerful 1.6 HP motor, a 4.5-gallon tank, and a maximum pressure of 200 PSI, making it ideal for a variety of applications including nail guns, air tools, and inflation tasks. 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: 1.6 HP motor, 4.5-gallon tank, maximum pressure of 200 PSI, dual quick couplers, and a lightweight design for portability.

Feature	Description
1.6 HP Motor	Powerful motor for quick recovery time
4.5-Gallon Tank	Provides ample air supply for various tasks
200 PSI Maximum Pressure	Suitable for a wide range of air tools
Dual Quick Couplers	Allows for multiple tools to be used simultaneously
Portable Design	Lightweight and easy to transport

Installation

Unpack and inspect the compressor. Place it on a stable surface away from moisture.

Connect the air hose: Ensure it is securely attached to the compressor outlet.
Plug into a power source: Use a grounded outlet to avoid electrical hazards.
Check oil level: Ensure the compressor is properly lubricated before use.

WARNING! Always operate the compressor in a well-ventilated area to prevent overheating.

First-Time Setup

Power on the compressor; follow the setup instructions provided in the manual.

Set the pressure regulator: Adjust to the desired PSI for your tools.
Test the compressor: Run it briefly to ensure proper operation.
Check for leaks: Inspect all connections for air leaks.

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

Specifications

Motor Power: 1.6 HP.
Tank Capacity: 4.5 gallons.
Maximum Pressure: 200 PSI.
Weight: 40 lbs.
Dimensions: 18 x 18 x 18 inches.
Power Source: 120V AC.
Operating Temperature: 32°F to 104°F.

Controls and Settings

Access the pressure regulator and on/off switch located on the front panel. Ensure all settings are adjusted before operation.

Pressure Regulator: Adjust to set the desired output pressure for your tools.

On/Off Switch: Use to power the compressor on and off.

Connecting Devices

Connect air tools using the quick couplers provided.

Turn off the compressor before connecting tools.
Ensure the air hose is securely attached to both the compressor and the tool.
Power on the compressor and adjust the pressure as needed.

Tip: Always check for leaks after connecting tools.

Operating the Compressor

Follow these steps to operate the compressor safely and effectively.

Power on the compressor and allow it to build pressure.
Use the pressure regulator to set the desired output pressure.
Connect your air tool and begin operation.
Monitor the pressure gauge during use.

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

Maintenance

Regular maintenance is essential for optimal performance.

Check oil levels regularly and replace as needed.
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 to prevent accidents.

Wear appropriate personal protective equipment (PPE).
Do not operate in wet conditions.
Keep children and pets away from the compressor during operation.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Compressor won't start	Power source issue	Check 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 pressure regulator to appropriate level.

Reset: Unplug the compressor for 10 seconds and plug back in.

Service: For further assistance, contact Dewalt customer service.