Why does a screw compressor rust?

If corrosion or rust develops on the airend or any adjacent component of the screw compressor, the compressor evidently has not been sufficiently maintained, lubricated, and drained. Corrosion will form when the surfaces of metal parts absorb moisture or face internalized friction due to inadequate lubrication.

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.

How to maintain a screw air compressor?

To ensure proper motor health with your screw air compressor, you must make sure that the operating area is sufficiently ventilated during usage hours. To prevent overloading, keep track of the ampere draw. Most importantly, make sure that the motor bearings are properly lubricated during each inspection.

How does a rotary screw air compressor work?

Without the right grade of grease in proper proportions, the metal bearings of a rotary compressor are left to grind against one another with every revolution of the motor. In addition to the air/oil separator, a rotary screw air compressor will typically contain two other filters — oil filters and inlet filters.

What happens if a rotary screw air compressor goes down?

The time that a compressor remains down and inoperable is productivity lost. Even just a few hours of downtime can result in untold losses. With this regular rotary screw air compressor maintenance, you will lower the risk of costly downtime.

Why does my rotary screw air compressor make a strange noise?

In a rotary screw air compressor, an unusual noise will typically be the result of worn airend bearings. You should pay particular attention to oil leaks and strange noises from the motor bearings as these are the two main indicators of imminent problems with an air compressor.