Here’s a short and simple maintenance schedule for the Atlas Copco GA 55 air compressor:

### Daily Maintenance
– **Check Oil Level**: Ensure oil is at the correct level; top up if necessary.
– **Inspect Air Filters**: Check for cleanliness; clean or replace if needed.
– **Drain Condensate**: Remove condensate from the drains.

### Weekly Maintenance
– **Inspect Belts**: Check for wear and tension; adjust or replace if necessary.
– **Check Electrical Connections**: Ensure all connections are tight and free of corrosion.

### Monthly Maintenance
– **Change Oil**: Replace the oil and oil filter as per the manufacturer’s guidelines.
– **Inspect Cooling System**: Clean the cooling fins and ensure airflow is unobstructed.
– **Check Safety Valves**: Test safety valves to ensure proper operation.

### Quarterly Maintenance
– **Inspect Air Intake Filter**: Clean or replace as necessary.
– **Check Pressure Settings**: Verify and adjust pressure switch settings if needed.
– **Inspect and Test Emergency Shutdown**: Ensure it functions correctly.

### Annual Maintenance
– **Complete Overhaul**: Consider a full inspection and service of the unit.
– **Check for Vibration and Noise**: Monitor for any unusual vibrations or noises during operation.
– **Inspect All Seals and Gaskets**: Check for wear and replace as necessary.

Remember to always refer to the owner’s manual for specific requirements and recommendations from Atlas Copco.

The Atlas Copco GA 55 is a rotary screw air compressor designed for a variety of industrial applications. Below is a general spec sheet overview for the GA 55 model:

### Atlas Copco GA 55 Specifications

– **Compressor Type:** Rotary Screw
– **Power Output:** 55 kW (75 hp)
– **Free Air Delivery (FAD):** Approximately 8.1 m³/min (or 285 cfm) at 8 bar (116 psi)
– **Pressure Range:** 6 to 13 bar (87 to 188 psi) adjustable
– **Noise Level:** Approximately 68 dB(A) at 1 meter
– **Weight:** Approximately 600 kg (1323 lbs)
– **Dimensions:**
– Length: 1,700 mm (67 in)
– Width: 1,200 mm (47 in)
– Height: 1,300 mm (51 in)

### Features

– **Efficiency:** High-efficiency air end with a low specific power consumption.
– **Durable Design:** Robust design ensures long service life and reliability.
– **Easy Maintenance:** User-friendly access to components for quick and easy maintenance.
– **Integrated Dryer (optional):** Available with integrated refrigeration dryer for enhanced efficiency.
– **Control System:** Equipped with a user-friendly controller for monitoring and control.
– **Variable Speed Drive (optional):** Provides additional energy savings through adjustable speed operation.

### Applications

– General manufacturing
– Automotive industry
– Food and beverage processing
– Textile and printing industries
– Construction and mining operations

### Maintenance

– Recommended maintenance intervals for oil changes, filters, and inspections to ensure optimal performance.
– Availability of genuine spare parts and service kits.

### Certifications

– Compliant with relevant safety and environmental standards

For precise specifications and additional details, it is always best to refer to the official Atlas Copco documentation or contact a certified dealer.

For the Atlas Copco GA 55 air compressor, common parts include the following:

1. **Air Filter** – Part number: 1613 2224 00
2. **Oil Filter** – Part number: 1613 5003 00
3. **Separator Element** – Part number: 1613 0190 00
4. **Belt** – Part number: 1613 9252 00
5. **O-Ring** – Part number: 1613 2326 00
6. **Inlet Valve** – Part number: 1613 2274 00
7. **Thermostat** – Part number: 1613 1954 00
8. **Oil Level Sight Glass** – Part number: 1613 0712 00

It’s advisable to check the specific service manual for your compressor model or consult with an Atlas Copco representative for the exact parts and numbers needed for your maintenance or repair tasks.
Download the Parts List

Troubleshooting an Atlas Copco GA 55 air compressor involves several steps. Here’s a general guide to help you identify and resolve common issues:

### 1. **Safety First**
– Ensure the compressor is powered off and properly isolated from the electrical supply before starting any troubleshooting.

### 2. **Visual Inspection**
– **Check for Leaks:** Inspect the compressor for any oil or air leaks. Pay attention to hoses, fittings, and seals.
– **Inspect Electrical Connections:** Look for any loose or damaged electrical connections, burnt wires, or blown fuses.

### 3. **Check Control Panel**
– **Display and Alarms:** Check for any warning lights or alarms on the control panel. Refer to the manual for specific alarm codes.
– **Setting Parameters:** Ensure that the settings are appropriate for your application.

### 4. **Pressure Issues**
– **Check Pressure Readings:** Use a pressure gauge to verify that the pressure readings match the expected output.
– **Unload Function:** Ensure the unload valve is functioning properly. If the compressor does not unload, it could be an issue with the solenoid or control system.

### 5. **Temperature Monitoring**
– **Check Cooling System:** Make sure the cooling fans and radiators are clean and functioning. Overheating can lead to shutdowns or reduced performance.
– **Thermostat Function:** Inspect the thermostat; if it’s stuck, it may not trigger cooling at the right times.

### 6. **Oil Levels and Quality**
– **Oil Check:** Ensure the oil level is within the recommended range. Low oil can cause serious damage.
– **Oil Quality:** If the oil is dirty or contaminated, consider changing it and the oil filter.

### 7. **Air Intake**
– **Filter Inspection:** Check the air intake filters for clogs or blockages. Clean or replace them as necessary.
– **Inlet Valve Operation:** Ensure the inlet valve is opening and closing properly.

### 8. **Motor and Drive System**
– **Motor Functionality:** Listen for unusual noises from the motor that could indicate a problem.
– **Belt and Couplings:** Inspect belts and couplings for wear or damage. Adjust tension if necessary.

### 9. **Perform a Cycle Test**
– After carrying out checks and maintenance, run a test cycle to see if the compressor operates correctly.

### 10. **Consult the Manual**
– Always refer to the Atlas Copco GA 55 specific service manual for detailed troubleshooting steps, as it contains essential diagrams and more precise guidance.

### 11. **Seek Professional Help**
– If issues persist or the problem is beyond your expertise, contact an authorized service technician for assistance.

By following these steps, you should be able to identify and address common issues with the Atlas Copco GA 55 compressor.