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Air Compressor Preventative Maintenance Guide


From power tools to a facility’s pneumatic systems, we rely on air compressors for many tasks. However, to secure the efficiency and longevity of this vital equipment, implementing a preventative maintenance routine is non-negotiable. Neglecting your air compressor’s upkeep can lead to costly repairs or premature failure.

This blog with guide you through air compressor maintenance so you prevent unnecessary repairs.

Understanding Your Air Compressor

There are many different types of air compressors. For the best maintenance plan, you should know the type and needs of your compressor.

Reciprocating Compressors

Recognized for their simplicity and durability, these compressors benefit from periodic checks on piston rings and valves to ensure they’re maintaining appropriate pressure differentials.

Rotary Screw Compressors

Experience periodic oil changes and regular filter replacements to keep vital parts like rotors and the valves dimensionally stable and free from contaminants.

Centrifugal Compressors

High-functioning compressors of this sort require meticulous cleaning to ensure that intricate impellers and diffusers don’t fall victim to fouling by foreign materials.

Basic Maintenance Routines for Any Compressor

Check The Air Filter

Your compressor’s health is linked to the cleanliness of its air filter. A choked airway for an engine can have consequences, and a clogged filter for your compressor, just as severe. Regular inspection and cleaning or replacement every one to three months is advised.

Inspect and Maintain Exterior and Interior Surfaces

It’s important to clean the dirt from your filter and not only for aesthetics. Dirt can insulate vital components, causing them to overheat and fail. Regular cleaning will ensure proper heat dissipation and maintain optimal operating temperatures.

Oil Matters in Oil-Lubricated Compressors

Oil is the lifeblood that lubricates and cools, and its health is the lifeline of your compressor. Follow the manufacturer’s guidelines for correct oil type and replacement schedule to the letter.

Keep Belts and Fittings Tight

The belts and fittings should be tested regularly to ensure that they are kept tight. When the belt slacks, it may be time to replace it. It should also not look worn. If you are unsure, check with an air compressor expert.

Condensate Draining is Critical

An air compressor can create condensation. If it is not drained then the condensation will pool in the tanks and lines. The condensation can also lead to rust, shortening the lifespan of your air compressor dramatically.

Check Valves and Seals

Your compressor’s various valves and seals work under immense internal pressures and see heavy use. Regular inspection and replacement when signs of wear appear will keep your machine’s pulse strong.

Advanced Maintenance for an In-Depth Diagnosis

An air compressor maintenance and installation company can ensure that you receive a thorough analysis for your air compressor to operate properly. In addition to the basic maintenance, an air compressor expert can also perform motor winding checks, temperature and vibration analysis, oil analysis, and craft a plan for your air compressor to run at full capacity. Pacific Air Compressors in Portland, Oregon provides air compressor maintenance and installation.

Maintenance Schedule

You should run regular maintenance to keep your air compressor running properly. The following maintenance schedule does not work for all compressors. It’s only a general guideline. The schedule varies depending on the frequency of use and type of compressor.


Develop a routine for visual inspections. This is where you’ll catch any big problems, such as oil leaks, that might be in their infancy.


The middle ground gives you the space to review and refresh your air filter, tighten or replace worn belts, clean the exterior, and drain any condensate that’s collected.


Every three months, it’s time for a more in-depth inspection. This means checking oil quality, consistency, and perhaps even sending samples off for analysis.


Once a year, or after a certain amount of operational hours, you should conduct a thorough inspection of all components and systems, with any necessary replacements taking place immediately.

In the unfortunate event of a compressor issue, knowing the immediate steps to take can mitigate damage. This could be an emergency shutdown procedure or a quick fix that will tide you over until a full repair can take place. Check the user manual for specific information on your machine.

Air Compressor Maintenance in Portland, Oregon

For air compressor owners, a modest investment in maintenance can keep your air compressor running for years longer. Maintaining your equipment can save you money in the long run, rather than consistently purchasing new. Contact Pacific Air Compressors for air compressor maintenance in Portland, Oregon. We can repair your air compressor when not working properly. Contact us today for more information online or reach out to us by phone at (503) 674-2744. You can also shop our catalog online.


Dear valued customers,

We normally keep all our inventory in stock. However, due to backorders from many of our vendors and parts shortages, some items that we have listed may not be in stock or could have a long lead time although they show as available on our store. If you need your items right away, please call or e-mail to ensure availability.