Ingersoll Rand Compressor N125H Two Stage

Preparation and Safety Measures

Ensure the compressor is isolated from the compressed air system and vented of all pressure.

Use certified lifting equipment and employ sound working principles.

Lock off and tag the main power disconnect switch.

Visually check if a complete cleaning of the cooler is required.

Identify the type of substances covering the cooler

Cooler Removal and Cleaning Preparation

Remove 6 screws from lower rear fixed panel and remove panel.

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

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

Coolant Level Verification After Stopping Machine

Stop the machine and check coolant visibility in sight glass

Is coolant still visible in the sight glass after stopping the machine?

Run the compressor for a minimum of 40 seconds

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

Filter Inspection and Maintenance

Inspect filters in system and replace or clean as required

Cooler Tube Examination and Cleaning

Wash out all chemicals thoroughly with clean water

Examine the cooler for erosion or corrosion after cleaning

Internal Cooler Tube Cleaning Methods

Select the cleaning method used for internal cooler tubes

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

Unclip the front grill of the drive box filter

Remove the filter pad from the housing

Replace with a new filter pad from Ingersoll Rand

Replace front grill to the drive box filter

Check that all components are in place

Record the results of the Food Grade Coolant analysis