Dewalt D55168 Air Compressor Manual

The Dewalt D55168 is a portable air compressor designed for heavy-duty applications. It features a 1.6 HP motor, a 4.5-gallon tank, and a maximum pressure of 200 PSI. This compressor is ideal for powering pneumatic tools, inflating tires, and other air-powered 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, easy-to-read pressure gauge, and durable construction.

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 pneumatic tools
Easy-to-Read Pressure Gauge	Allows for accurate monitoring of air pressure
Durable Construction	Designed for longevity and reliability

Installation

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

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

WARNING! Ensure all connections are secure to avoid leaks.

First-Time Setup

Power on the compressor; follow the setup instructions.

Check oil levels if applicable.
Set the desired pressure using the regulator.
Test the compressor with a pneumatic tool.

CAUTION! Ensure the compressor is on a flat surface during operation.

Specifications

Motor Power: 1.6 HP.
Tank Capacity: 4.5 gallons.
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

Access controls via the front panel: power switch, pressure regulator, and pressure gauge.

Regulator: Adjusts output pressure for various tools.

Safety features include an automatic shut-off and thermal overload protection.

Connecting Devices

Connect pneumatic tools using the air hose and quick-connect fittings.

Turn off the compressor before connecting tools.
Ensure the air hose is securely attached.
Turn on the compressor and set the desired pressure.

Tip: Always check for leaks before use.

Operating the Compressor

To operate, turn on the power switch and adjust the pressure as needed.

Monitor the pressure gauge during operation.
Use pneumatic tools as required.
Turn off the compressor when finished.

WARNING! Do not exceed the maximum pressure rating.

Maintenance

Regular maintenance is essential for optimal performance.

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

CAUTION! Always unplug the compressor before performing maintenance.

Safety Information

Read all safety instructions before operating the compressor.

Keep the compressor away from flammable materials.
Do not operate in wet conditions.
Wear appropriate personal protective equipment.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Compressor won't start	No power	Check power source and connections.
Low pressure	Leak in hose	Inspect and replace damaged hoses.
Excessive noise	Loose parts	Tighten all screws and fittings.
Tank won't fill	Faulty pressure switch	Replace the pressure switch.

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

Service: Contact Dewalt customer service for assistance.