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Your air compressor is one of your most significant business expenses. As such, it’s important to make sure it’s taken care of, so it can continue to operate well, with no significant and costly downtime. For this reason, it’s critical to keep an air compressor preventative maintenance checklist, so that you can be sure yours is in top working condition for a long time to come.

Preventative maintenance can help you with critical functions, such as detecting air leaks, so that you continue to get top levels of functionality out of your system. An undiscovered leak can easily cost your business thousands of dollars a year in utility bills.

But preventative maintenance should be done with a holistic system approach in mind. Neglecting one aspect of the system can have costly implications down the road. It’s always easier to have this type of maintenance done ahead of time than to deal with expensive repairs and possible downtime involved with extensive repairs.

It’s important to select an experienced air compressor maintenance company when it comes to preventative maintenance, to help ensure that you won’t have costly repairs on your hands down the road.

Your Air Compressor Maintenance Checklist

  • A visual inspection of the air compressor
  • Log drive motor bearing temperatures
  • Log fan motor bearing temperatures
  • Coupler, hub and shaft seal
  • Log oil cooler temperature
  • Log after cooler temperature
  • Scavenge line check valve
  • Examine drive belt
  • Log load and unload pressure settings
  • Moisture trap or autodrain
  • Take an oil sample
  • Change oil filter
  • Blow out coolers
  • Change air filter
  • Change oil/water separator
  • Log ambient condition
  • Change oil separator O-ring (if needed)
  • Change oil (if needed)

Keeping An Air Compressor Maintenance Log

An air compressor maintenance log contains all the information necessary for proper maintenance. Below is a list of the items that should be kept on an air compressor maintenance log to ensure that you have the right information when you need it.

  • Inspector’s name
  • The air compressor model number
  • The air compressor serial number
  • Hours for inspection
  • Compressor horsepower
  • Compressor motor amps
  • Nameplate amps
  • A/E discharge temp
  • Drive motor bearing temps
  • Fan motor bearing temps
  • Oil cooler temps
  • After cooler temps
  • Drive belt condition
  • Inspect coupler
  • Oil type and brand
  • Hours for the oil sample and sample date
  • Date of air filter change and due date / hours
  • Date of oil filter change / hours
  • Air/oil separator changed
  • Oil differential pressure
  • Scavenge line / check valve (inspected or replaced)
  • Pressure settings (Load pressure / unload pressure)
  • Moisture trap (auto drain / condensate treatment)
  • Blow out coolers
  • Further remarks
  • Ambient conditions

Including a space for each of these notations helps to ensure that your machine is thoroughly inspected, and that the information and results are easy to recall should they be needed.

Searching For Air Compressor Leaks

One of the primary purposes of the preventative maintenance checklist is to find any potential air compressor leaks. These leaks can result in significant monthly financial loss through expending unnecessary energy. Below are some of the most common places that leaks are found during an air compressor preventative maintenance check:

  • Tubes
  • Hoses
  • Couplings
  • Fittings
  • Pipe joints
  • Filters, regulators, and lubricators
  • Quick disconnects
  • Valves
  • Condensate traps
  • Flanges
  •  Valves
  • Thread sealant
  • Packing
  • Point-of-use devices

Finding The Right Air Compressor Preventative Maintenance Company

The company that you select for air compressor preventative maintenance is almost as significant of a decision as selecting the compressor itself. You want to hire an experienced company that can handle the types of preventative maintenance that your compressor will require.

If you’re looking for air compressor preventative maintenance in Northern Illinois, contact us today!

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