Kaeser Pressure-Swing (Heatless) Desiccant Compressed Air Dryer KADW 30A

CAUTION: The heatless desiccant dryer is a pressure containing device. Depressurize before servicing.

IMPORTANT: The use of the correct replacement desiccant is necessary for proper drying operation. Never use hygroscopic salts of the type commonly used in 'deliquescent' type dryers.

A. Frequency of Desiccant Replacement

Can the required dew point be maintained while the dryer is being operated within its design conditions and there are no mechanical malfunctions?

B. Procedure for Desiccant Replacement

Depressurize and de-energize the dryer.

Remove front panel from cabinet.

Disconnect tubing from top and bottom of desiccant towers and unscrew strainer assemblies.

Allow the spent desiccant to drain from the towers.

Pressure drop reaches 10 psi or it's been a year since the last replacement

WARNING: THIS FILTER IS A PRESSURE CONTAINING DEVICE. DEPRESSURIZE BEFORE SERVICING.

Filter isolated (inlet and outlet valves closed) or air supply shut off

Filter depressurized by slowly opening manual drain valve

Bowl removed by pushing up, turning 1/8th turn to the left, and pulling straight down

Old element pulled off and discarded

O-ring inside top of replacement element is in place and element pushed onto filter head