TM 9-4120-371-14
Replacement dehydrators are packaged with sealing caps on the flare fittings to
prevent moisture contamination of the desiccant filtering media. Remove these caps
immediately prior to installation. Never install a dehydrator from which caps have been
removed for an extended or unknown period of time.
(1) Place dehydrator in bracket.
(2) Loosely assemble bracket with screw, lock washer, and nut on dehydrator.
(3) Slip dehydrator and bracket into place.
(4) Be sure that flow arrow is pointing up.
(5) Using wrench, tighten both flare nuts.
(6) Using screwdriver, install bracket with screw and lock washer.
(7) Using screwdriver and wrench, tighten bracket on dehydrator.
(8) Leak test all newly connected joints and those in the repaired area. (See para 59.)
(9) Evacuate and charge the refrigerant system. (See para 5-10 and 5-11.)
Follow-on procedure: Install junction box. (See para 4-47.)
5-14. LOW PRESSURE CUT-OUT SWITCH (S7)
Preliminary procedure: Remove rear panel. (See para 4-33.)