Craftsman Air 390-291352 Compressor Manual

The Craftsman Air 390-291352 is a powerful air compressor designed for a variety of tasks including inflating tires, powering pneumatic tools, and more. This manual provides essential information on safety, features, installation, operation, and troubleshooting to ensure optimal performance and longevity of your compressor.

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. Troubleshooting

Features at a Glance

Key components: Oil-free pump, 6-gallon tank, 150 PSI maximum pressure, quick coupler, pressure gauge, and safety valve.

Feature	Description
Oil-free pump	Requires no maintenance and provides clean air.
6-gallon tank	Provides ample air storage for various applications.
150 PSI maximum pressure	Delivers high pressure for efficient tool operation.
Quick coupler	Allows for easy connection and disconnection of air hoses.
Pressure gauge	Monitors air pressure in the tank.
Safety valve	Prevents over-pressurization for user safety.

Installation

Unpack the compressor and inspect for any damage. Place the unit on a stable surface in a well-ventilated area.

Connect the air hose to the quick coupler.
Ensure the drain valve is closed before starting.
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 set the desired pressure using the pressure regulator.

Check oil level (if applicable) and ensure the tank is empty.
Set the pressure to the required level for your application.
Test the compressor by running it briefly to ensure proper operation.

CAUTION! Do not exceed the maximum pressure rating.

Specifications

Tank Size: 6 gallons.
Maximum Pressure: 150 PSI.
Power Source: 120V AC.
Compressor Type: Oil-free.
Weight: Approximately 40 lbs.
Dimensions: 24 x 18 x 18 inches.

Controls and Settings

The compressor features a pressure regulator, on/off switch, and pressure gauge for easy operation.

Pressure Regulator: Adjusts the output pressure to the desired level.

On/Off Switch: Powers the compressor on and off.

Connecting Devices

Connect pneumatic tools using the air hose and quick coupler.

Ensure the compressor is off before connecting tools.
Match the tool's air inlet to the hose connector.
Turn on the compressor and adjust the pressure as needed.

Tip: Always check for leaks after connecting devices.

Operating the Compressor

To operate the compressor, turn on the power switch and allow it to build pressure.

Monitor the pressure gauge during operation.
Use the pressure regulator to adjust output as needed.
Turn off the compressor when finished and release any remaining pressure.

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

Maintenance

Regular maintenance is essential for optimal performance and longevity.

Check and clean the air filter regularly.
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.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Compressor won't start	Power supply issue	Check outlet and power cord.
Low pressure	Leak in hose	Inspect and replace damaged hoses.
Excessive noise	Loose components	Tighten all screws and bolts.
Tank won't fill	Faulty pressure switch	Replace pressure switch if necessary.

Service: For further assistance, contact customer support.