Ingersoll Rand Desiccant Dryer EH4004H000A

Change control no-loss drain valves

Depressurize the system before disassembling filters

Filter Element Change Procedure

Rotate filter bowl counter-clockwise to loosen bowl from filter head

Remove elements by grasping element and pulling downward

Tighten filter bowl such that the flat of the filter bowl is in contact with the filter head

Slowly pressurize filter, avoiding rapid introduction of compressed air

Inspect element prior to installation

Cleaning the No-Loss Drain Valves

Remove the valve bodies from the manifold

Check and replace o-rings as necessary

Operational Check of No-Loss Drain Valves

Verify that the no-loss drain is receiving electric current

Check for burned out no-loss drain coil

Measure voltage and ensure it is within +/- 10% of nameplate readings

Desiccant Check and Replacement

Is desiccant replacement necessary?

Clean no-loss drain valves and check valves

List any worn or damaged seats and parts replaced

Are inlet parameters within specifications?

Check tower pressure gauge readings

Are tower pressure gauge readings within operating tolerance?

Is the dryer cycling properly based on tower pressure gauges?