Craftsman Air 390-291552 Compressor Manual

The Craftsman Air 390-291552 is a powerful air compressor designed for various applications, including inflating tires, powering pneumatic tools, and more. This manual provides essential information on safety, features, installation, 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: Oil-free pump, 6-gallon tank, 150 PSI maximum pressure, quick coupler, and easy-to-read pressure gauges.

Feature	Description
Oil-free pump	Requires no maintenance and provides clean air.
6-gallon tank	Provides ample air storage for various tasks.
150 PSI maximum pressure	Delivers high pressure for demanding applications.
Quick coupler	Allows for easy connection of air tools.
Pressure gauges	Provides accurate readings of tank and outlet pressure.

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 quick coupler.
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 avoid tipping.

First-Time Setup

Power on the compressor and allow it to build pressure.

Set the desired pressure using the regulator.
Check for any air leaks before use.
Familiarize yourself with the controls and features.

CAUTION! Do not exceed the maximum pressure rating.

Specifications

Tank Size: 6 gallons.
Maximum Pressure: 150 PSI.
Power Source: 120V AC.
Weight: Approximately 30 lbs.
Dimensions: 24 x 18 x 18 inches.
Noise Level: 68 dBA.

Controls and Settings

Access the pressure regulator and on/off switch located on the front panel. The compressor features easy-to-read gauges for monitoring pressure levels.

Connecting Devices

Ensure the compressor is off before connecting any tools.

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

Tip: Always check for leaks after connecting devices.

Operating the Compressor

To operate, turn on the compressor and allow it to reach the desired pressure.

Use the regulator to set the output pressure.
Monitor the gauges during operation.
Turn off the compressor when finished.

WARNING! Do not operate in enclosed spaces without proper ventilation.

Maintenance

Regular maintenance is essential for optimal performance.

Drain the tank after each use to prevent moisture buildup.
Check and replace the air filter as needed.
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. Wear appropriate personal protective equipment.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Compressor won't start	Power supply issue	Check the power cord and outlet.
Low pressure	Leak in the system	Inspect hoses and connections for leaks.
Excessive noise	Loose parts	Tighten any loose screws or bolts.
Tank won't fill	Faulty pressure switch	Replace the pressure switch if necessary.

Reset: Follow the manufacturer's instructions for resetting the compressor.

Service: For assistance, contact customer service at 1-800-4-Craftsman.