Craftsman Air 390-291690 Compressor Manual

The Craftsman Air 390-291690 is a powerful air compressor designed for various applications, including inflating tires, powering pneumatic tools, and more. It features a robust motor, a durable tank, and user-friendly controls. 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: 6-gallon tank, 150 PSI maximum pressure, oil-free pump, and easy-to-read pressure gauge.

Feature	Description
6-Gallon Tank	Provides ample air storage for various tasks
150 PSI Maximum Pressure	Delivers high pressure for efficient operation
Oil-Free Pump	Requires less maintenance and is environmentally friendly
Easy-to-Read Pressure Gauge	Allows for accurate monitoring of air pressure
Portable Design	Equipped with wheels for easy transportation

Installation

Unpack the compressor and inspect for any damage. Place it on a stable surface.

Connect the air hose: Ensure it is securely attached to the compressor outlet.
Plug into a power source: Use a grounded outlet to avoid electrical hazards.
Check oil levels: Ensure the oil level is adequate if applicable.
Turn on the compressor: Use the power switch to start the unit.

WARNING! Always ensure the compressor is on a flat surface to prevent tipping.

First-Time Setup

Power on the compressor and allow it to build pressure before use.

Set the desired pressure: Adjust the regulator to the required PSI for your task.
Check for leaks: Inspect all connections for air leaks before operation.
Test the compressor: Run it briefly to ensure it operates correctly.

CAUTION! Do not exceed the maximum pressure rating of the compressor.

Specifications

Tank Size: 6 gallons.
Maximum Pressure: 150 PSI.
Power Source: 120V AC.
Compressor Type: Oil-free.
Weight: Approximately 50 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.

Pressure Regulator: Adjusts the output pressure for various applications.

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

Connecting Devices

Connect pneumatic tools using the air hose attached to the compressor outlet.

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

Tip: Always check the tool's specifications for required air pressure.

Operating the Compressor

Follow these steps to operate the compressor safely and effectively.

Turn on the compressor and allow it to reach the set pressure.
Connect your pneumatic tool and begin operation.
Monitor the pressure gauge during use.
Turn off the compressor when finished and disconnect the tool.

WARNING! Do not operate the compressor in wet conditions.

Maintenance

Regular maintenance ensures optimal performance and longevity.

Check and replace air filters as needed.
Inspect hoses and connections for wear or damage.
Drain the tank regularly to remove moisture.

CAUTION! Always unplug the compressor before performing maintenance.

Safety Information

Read all safety instructions before operating the compressor.

Do not exceed the maximum pressure rating.
Keep the compressor in a dry area.
Use appropriate personal protective equipment.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Compressor won't start	Power supply issue	Check power cord and outlet.
No pressure	Leak in hose	Inspect and replace damaged hoses.
Excessive noise	Loose parts	Tighten all screws and fittings.
Pressure gauge not working	Faulty gauge	Replace the pressure gauge.

Reset: Unplug the compressor for a few minutes and plug it back in.

Service: For assistance, contact customer support.