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Troubleshooting Air Compressor Vibration

Air compressor vibration is a concerning issue for industrial and commercial users and knowing the cause of this vibration is key to solving this problem. Here is a quick guide to common causes of vibration in air compressors and possible solutions from the leaders in the manufacture, supply, and servicing of diesel generators and industrial equipment. 

Air Compressor

Check the Following Air Compressor Components

  • The mounting bolts – Faulty mounting bolts are the most common cause of vibration in this type of industrial equipment. They fasten and stabilize the compressor so, if they become loose or are the wrong size, the air compressor will start to shake. First, check to see that all the bolts are tightened properly, that they are attached to the compressor, and that they are ensuring that the air compressor sits evenly on the ground. Move the compressor to a stable, firm and even surface. 
  • The crankshaft – Reciprocating air compressors draw air into this industrial equipment using a crankshaft. If you are experiencing performance issues along with vibration issues, there may be a problem with the crankshaft like rust, a jam, malfunction or damage that has bent it out of shape. These issues can either be solved through your user manual or will require professional repair. 
  • The belts – Belts regulate the tension and speed of different parts within the machine and, if the tensions are wrong, vibration can result. If your belt is too tight or too loose, it will need replacing with a correct-sized belt. It can become hardened over time (which reduces elasticity) or even cracked, in which case it will need to be replaced. 
  • The bearings – If you are hearing a lot of noise along with vibration issues, the bearings may be to blame. Check to see if they are sufficiently lubricated and not over-greased, rusted or damaged. You may have to replace the bearings if they are in poor condition, as this can lead to severe damage to your air compressor. 
  • The air compressor enclosure – The enclosure is simply a protective case that prevents dust and debris from entering the air compressor, but if it isn’t properly fitted, it can cause vibration issues. Check for loose fasteners, misaligned or bent panels, rust or placement issues, which are fairly simple to correct by realigning panels and screwing them on evenly. 
Air Compressors and Diesel Generators from CAT

Energy Power Systems Australia is your partner for CAT commercial and industrial equipment throughout Australia, the Solomon Islands, and Papua New Guinea. Our team is ready to advise and assist you regarding our wide range of electrical power solutions, including diesel generators, air compressors, chillers, cooling towers, and ancillary equipment. For more information on CAT air compressors, diesel generators and our a range of industrial equipment, please contact us today. 

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