Ingersoll Rand Desiccant Dryer EH12004H000A

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

Depressurize dryer before performing any service.

Wear respiratory protection during the draining and filling process.

Refer to Section 10.7 for the proper way to shut down the Heat Reactivated Dryer.

Ensure desiccant sample kit is available for analysis.

Remove the caps on both fill and drain ports on each desiccant tower.

Insert a small rod into the drain port to assist desiccant flow if necessary.

Depressurize the system before disassembling filters

Check for high pressure drop or malfunctioning drying system

Inspect and clean elements if necessary

Check the pressure differential gauge

Is the pressure differential gauge indicating a need for filter change?

Are hydrocarbons detected downstream?

Change carbon elements if hydrocarbons are detected or every six months

Check desiccant and replace if necessary

Test and replace electrical components

Check tower pressure gauge readings

Is the tower pressure gauge cycling properly?

Purging Tower Pressure Verification

Is the pressure in the purging tower 5 PSIG or less?