Makita MAC5500G Air Compressor Manual

The Makita MAC5500G is a powerful air compressor designed for professional use. It features a 5.5 HP motor, a 4.2-gallon tank, and delivers 6.5 CFM at 90 PSI. This compressor is ideal for a variety of applications, including powering pneumatic tools, inflating tires, and more. 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: 5.5 HP motor, 4.2-gallon tank, oil-lubricated pump, low noise level, and easy portability.

Feature	Description
5.5 HP Motor	Powerful motor for high performance
4.2-Gallon Tank	Provides ample air storage for extended use
Oil-Lubricated Pump	Ensures durability and longevity
Low Noise Level	Operates quietly for a better working environment
Portability	Wheels and handle for easy transport

Installation

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

Connect the air hose to the compressor outlet.
Ensure the compressor is on a flat surface for stability.
Plug into a suitable power outlet.

WARNING! Ensure proper electrical connections to avoid hazards.

First-Time Setup

Power on the compressor; follow the setup instructions.

Check oil level before starting.
Set the desired pressure using the regulator.
Connect your pneumatic tools as needed.

CAUTION! Always check for leaks before operation.

Specifications

Motor Power: 5.5 HP.
Tank Capacity: 4.2 gallons.
CFM at 90 PSI: 6.5 CFM.
Noise Level: 79 dB.
Weight: 90 lbs.
Dimensions: 30 x 18 x 22 inches.
Power Source: 120V AC.

Controls and Settings

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

Pressure Regulator: Adjusts the output pressure for your tools.

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

Connecting Devices

Connect your pneumatic tools using the air hose.

Ensure the compressor is off before connecting tools.
Match the hose fittings to your tools.
Turn on the compressor and adjust the pressure as needed.

Tip: Always check for proper connections to avoid air leaks.

Operating the Compressor

Follow the instructions for safe and effective operation.

Turn on the compressor using the on/off switch.
Allow the tank to fill to the set pressure.
Use your pneumatic tools as needed.

WARNING! Do not exceed the maximum pressure rating.

Maintenance

Regular maintenance is essential for optimal performance.

Check and change the oil as needed.
Drain the tank regularly to remove moisture.
Inspect hoses and fittings for wear and tear.

CAUTION! Always unplug before performing maintenance.

Safety Information

Read all safety instructions before operating the compressor.

Wear appropriate personal protective equipment.
Keep the compressor in a dry, well-ventilated area.
Do not operate in flammable environments.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Compressor won't start	Power supply issue	Check power cord and outlet.
Low pressure	Leak in the system	Inspect hoses and fittings for leaks.
Excessive noise	Worn parts	Inspect and replace worn components.
Oil leaks	Pump seal failure	Replace the pump seal.

Service: For support, contact Makita customer service.