Maintaining a Diesel Air Compressor

Good, regular maintenance of your Diesel air compressor is essential to keep it running smoothly and efficiently. Even though they are reliable and tough, if you neglect to do the following basics you could be up for some costly repairs and even down time. Here are some useful tips:


1.       Firstly it’s important to read & follow your air compressors manual, it provides specific advice for your particular machine which you may not know unless you read it.

2.       Regularly drain the moisture from the air receiver tanks. In our humid climate this is especially important as lots of moisture can accumulate. Most tanks have a valve to drain out the water, just make sure you release the air pressure from the tanks first.

3.       Keep the intake vents clean. If you work in a dusty environment this is extremely important as it will lessen the efficiency of your compressor and the tools you are using.

4.       Regularly tighten up all screws, nuts and bolts that can work their way loose from the vibration of the running engine.

5.       Regularly check all the hoses to make sure they aren’t cracked or brittle, which could put undue stress on other parts of the compressor.

6.       Periodically test the safety shut down system (if your compressor has one) to make sure that it is working correctly. If your compressor gets too hot or the engine’s oil pressure gets too low it’s designed to shut down to protect your compressor from possible serious damage.

7.       Every couple of months (if used frequently or in dusty environments) check your compressors Air Filters and change if they have a heavy build up of dirt, your compressor will work harder if the air filter is clogged.

8.       Keep the fuel tank clean by checking every year or so that there is no residual build up. This will prolong the life of the engine.

9.       If your compressor uses oil, make sure you check the oil levels every time it’s used. Change the oil every 500 – 1000 hours.

10.   Periodically replace the Separator element which prevents the excess use of oil, we recommend every 1,000 hours of operation.

11.   Regularly clean the heat exchangers so that your compressor can run at the correct operating temperature and not get too hot.

Maintaining a Diesel Air Compressor isn’t all that hard, but it will ensure you have a reliable machine for many years if you treat it right. If you need help with any of the maintenance on your compressor we have a fully equipped service department that can do this all for you. Please contact us if you would like to book your compressor in for a service, or call the office on 07 3376 2888.