The Most Common Air Compressor Issues To Watch For

Air compressors are essential tools for DIYers, auto shop owners, small manufacturers, carpenters, roofers, and handymen alike. These powerful devices make a range of tasks, like inflating tires or powering pneumatic tools, much more manageable. However, like any piece of equipment, air compressors can also encounter common issues that can affect their performance. Learn the most common air compressor problems to watch for and how to deal with them, focusing specifically on Kobalt air compressor parts.

Air Leaks

One of the most common problems with air compressors is leaks. Over time, the rubber, paper, or graphite seals and gaskets on your compressor can wear out, causing air to seep out. If you notice that your air compressor is taking longer to build up pressure or is running more frequently than usual, you may have a leak.

If you suspect your air compressor is leaking, inspect it thoroughly for any visible signs of damage or wear. You could use a soapy water solution to pinpoint air leaks by checking for bubbles around air compressor parts and connections. Replace any damaged seals, gaskets, or connections as needed.

Stop and Start Problems

Another issue with air compressors is starting or stopping troubles. These issues could be caused by defective pressure switches, faulty motor capacitors, or damaged electrical components. If your air compressor won’t start, shuts off frequently, or won’t shut off, check the pressure switch for any visible damage or wear, and ensure it's set to the appropriate cut-in and cut-out pressure levels. Inspect the motor capacitors and replace them if necessary. If you're still experiencing issues, consult a professional to diagnose and repair any potential electrical problems.

Pressure Problems

Inadequate pressure is a common issue that can affect your air compressor's efficiency and the performance of pneumatic tools. Issues could arise from dirty filters, a malfunctioning pressure regulator, or damaged hoses.

Clean or replace your air filter to ensure proper airflow. Check your pressure regulator for wear and tear and replace if needed. Inspect your hoses for any damage, and replace them with if necessary. Clean or replace the in-tank check valve if the compressor constantly leaks after it shuts off.

Noise and Vibrations

Air compressors can sometimes produce excessive noise and vibrations, which might signal an issue with the motor, bearings, or pump. Excessive noise can be particularly problematic if you're working in a shared space or trying to maintain a quiet work environment.

If your air compressor is making a loud racket, verify that your air compressor is placed on a level surface. Ensure that the compressor's belts are tight and undamaged. Inspect the motor and bearings for signs of wear and replace them if necessary.

Contaminated or Hot Air

If your air compressor is blowing air contaminated with oil or that is excessively hot, it could lead to reduced efficiency and potential damage to your tools. The main causes of this issue are dirty air filters, faulty cooling systems, worn piston rings, or contaminated oil.

Regularly clean or replace your air filters. Inspect your compressor's cooling system for any visible blockages and clean if necessary, ensuring proper airflow. Check the oil's condition and replace it if it's contaminated.

Proper maintenance and regular inspections of your air compressor and its components are crucial to ensuring optimal performance and preventing common issues. By staying vigilant and addressing these problems as soon as they arise, you can avoid costly repairs and downtime.

Master Tool Repair stocks Kobalt air compressor parts as well as replacement parts for many other well-known compressor brands. Save money by fixing your compressor yourself. Browse our inventory now.