Ingersoll Rand Rotary Screw Air Compressor R4i-110

Clean condenser with compressed air, do not damage fins

Is the dryer working properly after maintenance?

Inspect Scavenge Tubes/Orifice and Blowdown System

Stop the machine, electrically isolate and vent all trapped pressure.

Disconnect the scavenge line tubing and unscrew from integrated separator/MPCV manifold.

Inspect orifice and tubing for clogging and clean prior to re-installation.

Is there any scaling or O-ring damage identified?

Replace scavenge orifice if scaling or O-ring damage is identified.

Confirm the direction of flow is correct by observing the small arrow stamped in the center section.

Remove inlet filter to expose inlet snout for blowdown diverter orifice examination.

Disconnect Synflex tubing from the elbow fitting at bottom of inlet valve.

Inspect Starter box power drive element (PDM) filter element (if applicable)

Inspect Airend/Pressure System/Receiver

Check High Airend Temperature Sensor

Inspect and Test Pressure Relief Valve

Inspect and test pressure relief valve on airend and receiver tank

Check the retaining cap for dirt and debris and wipe clean

Isolate the compressor from the system

Press the emergency stop to vent the separator tank and airend

Ensure the main power disconnect switch is locked off and tagged

Use certified lifting equipment for any required lifting of air compressor parts

Remain aware of nip points, pinch points, and other associated hazards

Remove the outer belt guard from the airend support

Loosen the four motor support plate bolts

Check condition of flexible tube used for condensate drainage

Replace flexible tube if necessary

Check that all connecting pipes are properly tightened and fixed

Is the dryer working properly after the above procedures?