We probably all know that maintenance is the key to equipment longevity. For an equipment rental house or contractor, keeping up with compressor maintenance keeps equipment ready to rent and ready to work.
The primary guide for maintenance on equipment in your fleet should always be the service manual for each piece of equipment. However, you can use this checklist as a guide for regular maintenance to keep your machine running smoothly and efficiently.
Compressors can be divided into six sub-assemblies, and must be checked and maintained on a regular basis.
The compressor air filter is generally located prior to the airend inlet valve, remove bulk contaminants from the air entering the airend.
- Use proper micron rating as specified by OEM
- Check pressure differential and if necessary carefully clean according to manufacturer's recommendations
- Check for worn/damaged seals
- Check structural integrity
- Change air filter at 500 hours
The compressor lubricant separator removes particulates from the lubricant circulated in the airend. The lubricant separator removes lubricant from the air before it is discharged.
- Check lubricant level and change regularly
- Clean the lubricant cooler
- Replace compressor lubricant filter
- Change the lubricant separator cartridge in the lubricant separator
- Use only genuine replacement parts
- Change lubricant at 1000 hours
- Change compressor lubricant filter at 1000 hours
- Change lubricant separator cartridge at 2 years of 1000 hours
Caution: do not change filters or check fluids while the compressor is running. Spraying liquids such as oil can cause burns or serious injury.
Provides cooling for the engine and in some cases will provide compressor fluid cooling.
- Check the engine coolant level
- Inspect hoses and hose clamps for wear
- Check for visible contamination and clean regularly
- Check the anti-freeze protection and clean regularly