Craftsman Air 390-291698 Compressor Manual

The Craftsman Air 390-291698 is a powerful air compressor designed for various tasks 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 coupler, and a built-in pressure gauge.

FeatureDescription
Oil-free pumpRequires no maintenance and provides clean air.
6-gallon tankProvides a good air supply for various tasks.
150 PSI maximum pressureAllows for efficient operation of pneumatic tools.
Quick connect couplerEasy attachment of air hoses and tools.
Built-in pressure gaugeMonitors air pressure for optimal performance.

Installation

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

  1. Connect the air hose to the quick connect coupler.
  2. Ensure the compressor is plugged into a grounded outlet.
  3. Check that the pressure switch is set to the desired PSI.
  4. Turn on the compressor and allow it to build pressure.

WARNING! Ensure the compressor is on a flat surface to avoid tipping.

First-Time Setup

Power on the compressor; follow the setup instructions for connecting tools.

  1. Check all connections for leaks before use.
  2. Set the desired pressure using the pressure regulator.
  3. Test the compressor with a small task to ensure proper operation.

CAUTION! Do not exceed the maximum pressure rating.

Specifications

Controls and Settings

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

Operation: Turn on the power switch, adjust the pressure regulator to the desired PSI, and connect your tools.

Connecting Devices

Ensure the compressor is off before connecting any devices.

  1. Attach the air hose to the quick connect coupler.
  2. Connect your pneumatic tool to the other end of the air hose.
  3. Turn on the compressor and set the desired pressure.

Tip: Always check for leaks after connecting devices.

Operating the Compressor

To operate, turn on the compressor and allow it to reach the set pressure before using any tools.

  1. Monitor the pressure gauge during operation.
  2. Turn off the compressor when finished and disconnect tools.

WARNING! Do not operate the compressor in wet conditions.

Maintenance

Regular maintenance is essential for optimal performance.

  1. Check and replace the air filter as needed.
  2. Drain the tank regularly to prevent moisture buildup.
  3. 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.

Troubleshooting

SymptomPossible CauseCorrective Action
Compressor won't startPower supply issueCheck the power cord and outlet.
No pressureLeak in the systemInspect hoses and connections for leaks.
Excessive noiseLoose partsTighten any loose screws or components.
Pressure drops quicklyFaulty pressure switchReplace the pressure switch if necessary.

Reset: Unplug the compressor for 10 minutes to reset.

Service: For support, contact Craftsman customer service.

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