Dewalt D55167 Owners Manual

The Dewalt D55167 is a 4.5-gallon, 200 PSI portable air compressor designed for heavy-duty applications. It features a powerful 1.6 HP motor, a durable oil-free pump, and a lightweight design for easy transport. This air compressor is ideal for powering pneumatic tools, inflating tires, and other tasks requiring compressed air. 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 Instructions 8. Maintenance 9. Safety Information 10. Troubleshooting

Features at a Glance

Key components: 4.5-gallon tank, 200 PSI maximum pressure, oil-free pump, lightweight design, and easy-to-read pressure gauge.

Feature	Description
Oil-free pump	Requires no maintenance and provides clean air.
200 PSI maximum pressure	Allows for a wide range of applications.
4.5-gallon tank	Provides ample air storage for extended use.
Lightweight design	Easy to transport and maneuver.
Pressure gauge	Easy monitoring of air pressure levels.

Installation

Unpack and inspect contents. Place the compressor on a stable surface.

Connect the air hose: Ensure the compressor is off before connecting.
Plug into a power outlet: Use a grounded outlet for safety.
Check for leaks: Turn on the compressor and check connections.

WARNING! Always operate in a well-ventilated area and avoid using near flammable materials.

First-Time Setup

Power on the compressor; follow the setup instructions.

Set the desired pressure: Use the pressure regulator to adjust.
Connect tools: Ensure all connections are secure before use.
Test operation: Run the compressor briefly to ensure functionality.

CAUTION! Do not exceed the maximum pressure rating.

Specifications

Tank Size: 4.5 gallons.
Maximum Pressure: 200 PSI.
Motor Power: 1.6 HP.
Weight: 30 lbs.
Dimensions: 18 x 18 x 18 inches.
Noise Level: 75 dBA.
Power Source: 120V AC.

Controls and Settings

Access the pressure regulator and on/off switch located on the front panel. Ensure the pressure gauge is visible for monitoring.

Safety Features: Automatic shut-off at maximum pressure, thermal overload protection.

Connecting Devices

Ensure the compressor is off before connecting any devices.

Match the air hose to the tool's inlet.
Secure connections to prevent leaks.
Turn on the compressor and adjust pressure as needed.

Tip: Always check for leaks before operating tools.

Operating Instructions

To operate the compressor, follow these steps:

Turn on the compressor using the power switch.
Adjust the pressure regulator to the desired level.
Connect your pneumatic tool and begin operation.

WARNING! Do not exceed the recommended pressure for your tools.

Maintenance

Regular maintenance is essential for optimal performance.

Check and replace air filters as needed.
Drain the tank regularly to prevent moisture buildup.
Inspect hoses and connections for wear and tear.

CAUTION! Always unplug the compressor before performing maintenance.

Safety Information

Read all safety instructions before operating the compressor. Use personal protective equipment and ensure proper ventilation.

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.
Noisy operation	Loose parts	Tighten all screws and connections.
Overheating	Blocked air intake	Clean air filter and ensure proper airflow.

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