Rotary screw compressor maintenance checklist | Infographic

Compressor fluid level
Most units have sight glasses to check fluid levels. Check level per manufacturer's instruction. Top off as needed, but do not overfill.

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Room temperature
Excess heat increases maintenance frequency. Mount a thermometer in the compressor room. Increase ventilation if room temperature exceeds operating limits.

Inlet filters
Inspect and remove/vacuum loose dust from inlet filters. Frequency depends on ambient dust load.

Coolers
Inspect and vacuum ambient side of coolers. Frequency depends on ambient dust load.

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Cooler pre-filters
If present, inspect and vacuum. Frequency depends on dust load.

Check belts and couplers
Inspect belts and couplers for cracks or other signs of wear. Check belt tension monthly and adjust as needed.

For choosing the right air compressor, you should ask yourself these questions:

• What Compressor Size do I Need?
• What amount of pressure do I need?
• What is the right airflow for my compressor?
• What horsepower (HP) is needed for the motor of my air compressor?
• What Air Compressor Features do I need?
• What type of air compressor do I need?
• Do I need an oil-free or lubricated compressor?
• What Cooling method should I choose?
• Should I choose the VSD air compressor?
• Single Stage or Two-Stage Compressors should I choose?
• What kind of motor should I choose? Should I choose a PM motor?
• Belt drive or direct drive air compressor do I need?
• Do I need a portable air compressor or a stationary air compressor?
• What kind of engine do I need? Electric or Diesel engine'
• How to choose the after-treatment equipment?
• Do I have special requirements for oil content or particles in the compressed air? Do I need very clean air?
• Do I have special requirements for water content in the compressed air? Do I need very dry air?
• What size of the air receiver tank do I need?

We will provide you the answers. Buyer's Guide.

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