Ingersoll Rand Desiccant Dryer EH50004H000L

Check pre-filter elements for contamination

Change pre-filter elements if contamination is detected

Check pre-filter drains for proper operation

Drain condensed liquid from the sump of the filter housing

Inspect HB post-filters for desiccant dust particulate contamination

Measure pressure drop across HB post-filters

Is the pressure drop at an undesirable level?

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.

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.

Remove and clean retainer screens at the inlet and outlet piping connections.

Enter the inlet pressure reading

Enter the inlet temperature reading

Enter the pre-filter differential pressure reading

Enter the post-filter differential pressure reading

Are the pre-filter and post-filter drains functioning properly?

Is it necessary to replace any filter cartridges based on the differential pressure indicator?

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 and pulling downward

Inspect and prepare for installation

Insert element into filter head and push into place

Reinstall filter bowl and tighten

Turn control power off per shutdown procedures described in Section 9.7.

Has the dryer been depressurized to avoid injury?

Replace the muffler once the dryer has been depressurized.

Follow normal start-up procedures as described in Section 9.