Makita Model MAC2400 Air Compressor Manual

The Makita MAC2400 is a powerful and reliable air compressor designed for both professional and DIY use. With a 2.5 HP motor and a 4.2-gallon twin-stacked tank, it provides a maximum pressure of 130 PSI and delivers 4.2 CFM at 90 PSI. This manual covers essential safety information, 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. Troubleshooting

Features at a Glance

Key components: 2.5 HP motor, 4.2-gallon twin-stacked tank, oil-lubricated pump, low noise level, and easy portability.

Feature	Description
Oil-Lubricated Pump	Provides durability and extends the life of the compressor.
Low Noise Level	Operates at 79 dBA for a quieter work environment.
Portability	Compact design with a handle for easy transport.
Pressure Control	Automatic shut-off at maximum pressure for safety.
Quick Recovery Time	Fast recovery time for efficient operation.

Installation

Unpack and inspect the compressor. Place it on a stable surface in a well-ventilated area.

Connect the air hose to the compressor outlet.
Ensure the drain valve is closed before operation.
Plug the compressor into a grounded outlet.
Check oil levels and add oil if necessary.

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

First-Time Setup

Power on the compressor and allow it to build pressure.

Set the pressure regulator to the desired PSI.
Check for air leaks in the connections.
Test the compressor by running a tool.

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

Specifications

Motor Power: 2.5 HP.
Tank Capacity: 4.2 gallons.
Max Pressure: 130 PSI.
CFM at 90 PSI: 4.2 CFM.
Noise Level: 79 dBA.
Weight: 77 lbs.
Dimensions: 20.5 x 18.5 x 18.5 inches.

Controls and Settings

Access the pressure regulator and on/off switch located on the front panel.

Pressure Regulator: Adjusts the output pressure for connected tools.

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

Connecting Devices

Connect air tools using the appropriate fittings.

Ensure the compressor is off before connecting tools.
Match the fittings to the air hose.
Turn on the compressor and set the desired pressure.

Tip: Use quick-connect fittings for easy tool changes.

Operating the Compressor

Follow these steps to operate the compressor safely and effectively.

Turn on the compressor using the on/off switch.
Allow the compressor to build pressure to the set level.
Connect your air tool and begin operation.
Monitor the pressure gauge during use.

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

Maintenance

Regular maintenance is essential for optimal performance.

Check and change the oil regularly.
Drain the tank after each use to prevent rust.
Inspect hoses and fittings 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 the power cord and outlet.
Low pressure	Leak in the system	Inspect for leaks and tighten connections.
Excessive noise	Worn parts	Check for loose or damaged components.
Overheating	Blocked air intake	Ensure the air intake is clear of obstructions.

Service: For further assistance, contact Makita customer service.