Ingersoll Rand Compressor N55K Single Stage

Ensure compressor is electrically isolated for at least 15 minutes before commencing any maintenance work.

Isolate the compressor from the system.

Fully discharge the compressed air within the unit.

Remove plastic tube from the fitting located on the bottom of the moisture separator.

Remove the bowl of the moisture trap, clean and replace.

Check coolant level in the sight glass while the machine is running on load

Is the coolant visible in the sight glass while the machine is running?

Stop the machine and ensure coolant is still visible in the sight glass

Run the compressor for a minimum of 40 seconds

Is the coolant level visible in the sight glass after running the compressor?

Stop the compressor and depressurize by isolating the compressor from the system

Separator Element Inspection and Replacement

Check separator differential pressure via the Intellisys controller

Was the separator element replaced?

Separator Element Change Procedure

Remove all capscrews securing the cover to the tank except the screw opposite the pivot bolt.

Rotate the jacking bolt clockwise until the cover lifts off the tank at least 2mm (0.08”) all the way around.

Rotate the cover to allow access to inside the tank.

Carefully lift out the element spacer and retain for reassembly.

Carefully withdraw the used element, place it in a sealed bag and dispose of it safely.

Filter Inspection and Maintenance

Inspect filters in system and replace or clean as required

Cooler Tube Examination and Cleaning

Examine cooler tubes for scale and clean if necessary

Wash out all chemicals thoroughly with clean water before returning the compressor to service

Examine the cooler for erosion or corrosion after cleaning

Internal Cooler Tube Cleaning Methods

Select the method used for cleaning internal cooler tubes

Predictive Maintenance Overview

Understand the importance of predictive maintenance

Review the benefits of predictive maintenance, including increased system reliability and prevention of costly downtime

Ensure the availability of diagnostic tools

Verify that all diagnostic tools are functioning properly

Baseline Establishment and Monitoring

Establish an initial baseline for normal operation

Record current fluid conditions