DEHYDRATOR CARTRIDGE REPLACEMENT.
Three dehydrator cartridges are installed in waveguides of radar set. The procedure below is typical for removal and
replacement of all dehydrator cartridges. NSN for replacement cartridges can be found in TM 11-5840-281-20P.
Do not remove dehydrator cartridge adapter when replacing dehydrator cartridges.
Unscrew dehydrator cartridge (1) from dehydrator cartridge adapter (2).
AIR FILTER CLEANING AND SERVICING.
There are four air filters: one in bottom of receiver-transmitter, one in receiver side cover of receiver-transmitter, and one
in bottom front of each pulse generator. These should be cleaned at regular intervals specified in organizational PMCS
table. Clean air filters as described below.