How to maintain an electric rotary screw compressor?

Keep an eye on running hours. Low load percentage can increase moisture build-up in the compressor fluid. Simple infographic highlighting some key maintenance tips for your electric rotary screw compressor, prepared by the air system specialists.

How do I know if my rotary screw air compressor needs maintenance?

If your owner’s manual does not have a clear maintenance schedule, check with the rotary screw air compressor’s manufacturer to confirm the schedule for your specific system. Although maintenance schedules vary between rotary screw air compressors, your maintenance schedule will look something like this*:

How does a screw compressor work?

A screw compressor can run loaded ('pumping air') or unloaded ('idle'). The inlet/loading valve opens and closes according to air demand. The inlet valve is controlled by a solenoid valve that supplies control air to the inlet/loading valve. Check solenoid valve coil and solenoid valve operation.

Does my rotary screw air compressor have a maintenance schedule?

Every air compressor model is unique and will have its own maintenance schedule, which is typically available in the owner’s manual. If your owner’s manual does not have a clear maintenance schedule, check with the rotary screw air compressor’s manufacturer to confirm the schedule for your specific system.

How do you maintain a compressor?

Excess heat increases maintenance frequency. Mount a thermometer in the compressor room. Increase ventilation if room temperature exceeds operating limits. Inspect and remove/vacuum loose dust from inlet filters. Frequency depends on ambient dust load. Inspect and vacuum ambient side of coolers. Frequency depends on ambient dust load.

What should I do if my air compressor is too low?

If the capacity of the air compressor is really too low, check the following: Check differential pressure over oil separator. Replace separator when necessary. Check and replace compressed air filters (if installed). Compressor does not unload. Check if pressure switch is correctly set and working.