Craftsman Air 390-291198 Compressor Manual

The Craftsman Air 390-291198 is a reliable 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 to help you get the most out 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. Safety Information 10. Troubleshooting

Features at a Glance

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

FeatureDescription
Oil-free pumpRequires no maintenance and provides clean air.
6-gallon tankProvides ample air storage for various tasks.
150 PSI maximum pressureDelivers high pressure for efficient tool operation.
Quick couplerAllows for easy connection of air hoses and tools.
Built-in pressure gaugeMonitors air pressure for optimal performance.

Installation

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

  1. Connect the air hose: Ensure the quick coupler is securely attached.
  2. Plug into a grounded outlet: Use a suitable extension cord if necessary.
  3. Check for leaks: Turn on the compressor and inspect connections.

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

First-Time Setup

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

  1. Set the desired pressure: Use the pressure regulator to adjust.
  2. Connect your tool: Ensure the tool is compatible with the compressor.
  3. Test operation: Run the tool to ensure proper function.

CAUTION! Do not exceed the maximum pressure rating of your tools.

Specifications

Controls and Settings

Access the pressure regulator and on/off switch located on the front panel. Ensure the pressure gauge is visible for monitoring.

Safety Features: Automatic shut-off at maximum pressure, thermal overload protection.

Connecting Devices

Ensure the compressor is off before connecting any devices.

  1. Attach the air hose to the quick coupler.
  2. Connect your pneumatic tool to the other end of the 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 connected tools.

  1. Monitor the pressure gauge during operation.
  2. Turn off the compressor when finished to release pressure.

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

Maintenance

Regular maintenance is essential for optimal performance.

  1. Drain the tank regularly to prevent moisture buildup.
  2. Check and replace air filters as needed.
  3. Inspect hoses and connections for wear or damage.

CAUTION! Always unplug the compressor before performing maintenance.

Safety Information

Read all safety instructions before operating the compressor. Always wear appropriate personal protective equipment.

WARNING! Do not exceed the maximum pressure rating of the compressor or connected tools.

Troubleshooting

SymptomPossible CauseCorrective Action
Compressor does not startPower supply issueCheck the power cord and outlet.
Low pressureLeak in hose or connectionsInspect for leaks and tighten connections.
No air outputBlocked air filterClean or replace the air filter.
Excessive noiseLoose componentsTighten any loose screws or parts.

Reset: Disconnect power for a few minutes and reconnect.

Service: For assistance, contact customer support at 1-800-4-CRAFTSMAN.

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