Should you replace a drop-in oil filter on a rotary screw air compressor?

Replacing a drop-in oil filter is a key part of maintaining your rotary screw air compressor and keeping it running at peak performance. In this guide, we’ll walk you through the full step-by-step process—from safety procedures to the final bolt—so you can change your filter with confidence.

How do you clean an air compressor oil filter?

Clean the area around the air compressor’s WHASP tank and oil filter to prevent contamination. Remove the oil drain plug and drain the oil into a container with a capacity of at least 1 gallon (4L). Inspect the Viton O-ring on the oil drain plug for damage, hardness or defects and replace if necessary. Install and tighten the oil drain plug.

How do I change the oil on my air compressor?

When changing your air compressor’s oil, follow the instructions in your manual. Although the basics of an oil change are simple—drain the old oil and then pour in new oil—the individual steps can be significantly more detailed. As an example, here are the steps required to change the oil in VMAC’s G30 gas powered air compressors:

How to remove air/oil separator filter?

1. Open the access door on the curb side of the unit. 2. The air/oil separator filter is attached to the housing on the receiver tank. Remove the four bolts holding the filter housing. 3. The housing is easily removed granting access for the filter removal. Discard the used filter and unwrap the replacement filter. 4.

How do you remove an oil filter?

Place the oil pan beneath the filter. Remove the bottom of the oil filter housing and use the drain plug to release the oil. If the bottom is stripped or too tight to remove, you can remove the entire housing by loosening the top mounting bolts. In our example, the technician removes the housing due to a stripped plug.

What is rotary screw air compressor oil?

Air compressor oil plays several vital roles within a rotary screw air compressor system: Rotary screw air compressors are sometimes “oil flooded” or “oil injected,” describing that oil is injected into the rotor housing. The oil mixes with the air during compression but is separated back out before the compressed air leaves the system.