Ingersoll Rand Air Compressor R90IU-7.5

Check the cooler(s) for build up of foreign matter

Cleaned the cooler(s) if necessary?

On water cooled and sea water cooled models, check the water input line strainer for build up of foreign matter

Cleaned the water input line strainer if necessary?

Airend bearings are lubricated by the compressor coolant and require no maintenance.

Clean the area around the inlet and outlet plugs before removing the plugs.

Add the specified quantity of recommended grease using a hand lever gun.

Replace the inlet plug, run the machine for 10 minutes and then replace the outlet plug.

Motor Bearings Lubricant Specifications

Use MOB SHC220 grease or equivalent.

CAUTION! Do not over pack the motor bearings with grease as this may lead to motor failure.

Operate the safety valve manually to verify that the valve mechanism is functioning correctly and that a small amount of air is released.

Check all hoses for signs of deterioration, cracks, hardening etc.

Replace all hoses every 4 years.

Warning: This procedure requires trained personnel with PPE!

Disconnect the scavenge tube from the airend and loosen the fitting that secures the scavenge tube to the separator tank cover

Disconnect all piping from the separator tank cover

Remove the setscrews securing the cover to the tank and remove the complete cover assembly

Warning: Heavy cover- use lifting equipment

Withdraw the used element, place it in a sealed bag and dispose of it safely

Warning: Wear safety gloves against sharp edges

Clean the gasket surface on both the tank and the cover

Loosen filter element with the correct tool

Remove the element from the housing

Place the old element in a sealed bag and dispose of in a safe way

Clean the mating face of the housing

Remove the new Ingersoll Rand replacement element from its protective package

Apply a small amount of lubricant to the element seal

Screw the new element down until the seal makes contact with the housing, then hand tighten a further half turn

Start the compressor and check for leaks

Sign off on the coolant filter replacement