Ingersoll Rand Rotary Screw Air Compressor R11i-110

Depressurize the filter housing

Turn the bowl in counter-clockwise direction

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

Remove front and back access panels

Disconnect aftercooler discharge tube or hose

Remove top assembly by removing eight bolts while supporting assembly properly

Clean condenser with compressed air, do not damage fins

Is the dryer working properly after maintenance?

Replace Premium Coolant (Ultra)

Replace Minimum pressure check valve (MPCV)

Condensate Drain Lines Inspection

Check Condensate drain lines for any issues

Were any condensate drain lines replaced?

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

Inspect and test pressure relief valve

Inspect Airend/Pressure System/Receiver

Check High Airend Temperature Sensor

Inspect external surfaces of the airend for damage, corrosion, and abrasions