Craftsman Air 390-291658 Compressor Manual

The Craftsman Air 390-291658 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 connect air hose fitting, and built-in pressure gauge.

Feature	Description
Oil-free pump	Requires no maintenance and provides clean air.
6-gallon tank	Offers a good balance between portability and air storage.
150 PSI maximum pressure	Suitable for a variety of tasks.
Quick connect fitting	Allows for easy attachment of air hoses.
Built-in pressure gauge	Monitors air pressure for safety and efficiency.

Installation

Unpack the compressor and place it on a stable surface. Ensure adequate ventilation during operation.

Connect the air hose to the quick connect fitting.
Plug the compressor into a grounded outlet.
Check the oil level if applicable (for models that require oil).
Turn on the compressor and allow it to build pressure.

WARNING! Always operate in a well-ventilated area to avoid carbon monoxide buildup.

First-Time Setup

Before using the compressor, ensure all connections are secure and the unit is properly set up.

Check for any visible damage before use.
Ensure the drain valve is closed before starting.
Set the desired pressure using the pressure regulator.
Test the compressor with a small task 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.

Pressure Gauge: Displays the current air pressure in the tank.

Connecting Devices

Connect pneumatic tools using the quick connect fitting for efficient operation.

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

Tip: Always check for leaks after connecting devices.

Operating the Compressor

Follow these steps to operate the compressor safely and effectively.

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

WARNING! Do not operate the compressor in wet conditions.

Maintenance

Regular maintenance is essential for optimal performance and longevity.

Drain the tank regularly to remove moisture.
Check and replace the air filter as needed.
Inspect hoses and fittings for wear or damage.
Store the compressor in a dry place when not in use.

Safety Information

Always follow safety guidelines to prevent accidents and injuries.

Wear appropriate personal protective equipment (PPE).
Keep the compressor away from flammable materials.
Do not exceed the maximum pressure rating.
Ensure proper ventilation during operation.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Compressor won't start	Power supply issue	Check power cord and outlet.
No pressure	Leak in the system	Inspect hoses and fittings for leaks.
Excessive noise	Loose parts	Tighten all screws and bolts.
Pressure drops	Faulty pressure regulator	Replace the pressure regulator if necessary.

Reset: Refer to the manual for reset instructions if available.

Service: For assistance, contact customer support.