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Minor Preventative Maintenance – Air Compressor

Air Compressor Preventative Maintenance

Minor PM

Minor PM’s are usually scheduled 1-3 times annually, depending the number of hours the compressor runs, and/or how dirty the surrounding environment is.

A Minor PM generally consists of:

  • Changing Air Filter – The air filter will capture particulate matter, such as pollen, dust, dirt and other contaminates. For most units, this will need to be changed every 2,000 hours. After the air is filtered, it can then travel into the inlet on the air-end for pressurization.
  • Changing Oil Filter – The oil filter will capture dirt and grime so that it can be reused in the system. The oil comes through the oil filter after the oil passes through the air-end then the separator. At this point the oil lubricated and cleaned the air-end and needs to be cleaned before it can be recycled through the unit.
  • Take Oil Sample for Analysis – A detailed Oil Analysis Report will give information regarding external contamination, which will give an insight to the ambient conditions that affect the lubricant and running of the compressor, or internal contamination that would give an early warning regarding malfunctioning of components.
  • Evaluate Dryer – Even though the dryer is not typically serviced at this time, it is vital to check its overall health to make sure it is operating correctly.
  • Cleaning of Cooler – The cooler is one of the most overlooked parts by our customers, yet the easiest to evaluate and clean. Without a clean cooler, your oil temperature will rise (causing a shutdown) and your air temperature will rise (causing water carryover) and potential damage downstream.
  • Inspect & Tighten Electrical Connections – An air compressor runs at 2500-9000 RPMs, sometimes 24/7. This constant vibration can cause wires to wiggle lose, causing shortages or shutdowns. Examining and tightening these connections will prevent such issues.
  • Inspect Drains & Inline Filters – We will want to verify that all drains are working and flowing to ensure moisture does not unnecessarily build up in your system. Additionally, we will want to make sure all inline filters have a proper delta P (pressure drop) indicating they are not clogged and free of any restriction.
  • Cleaning of Condenser (if applicable) – much like the cooler, you will want to ensure the condenser is clean, otherwise with won’t be able to properly cool the air.
  • Changing Cabinet Mat (if applicable) – We will want to make sure the cabinet mat (if applicable is clean and free of any restrictions. A clogged mat will result in overheating and restricted air flow.
  • Check Controls for Maintenance Reminders – You will want to resent any maintenance reminders as well and check for any error alerts.

Additionally, the technician inspects your entire compressed air system, and if any needed repairs are identified, they will provide a service recommendation to our service staff, and then a quote will be provided to the customer.

Details on Major PM

Request Quote for Air Compressor Maintenance