Ingersoll Rand Rotary Screw Air Compressor R11i-200 TAS

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?

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/clean spool and all orifice features of blowdown fitting.

Depressurize the filter housing

Turn the bowl counter-clockwise

Unscrew the bowl completely from the filter head and pull it off

Remove the exhausted element by unscrewing from the filter head

Clean the O-ring seat of the head

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

Remove front and back access panels

Disconnect aftercooler discharge tube or hose

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

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

Remove the panels from the compressor

Use a clean dry cloth to remove dust from the surface of the motor cowl