TM 9-4120-403-14
Replacement
(1) While purging the system with nitrogen, debraze and separate the tube joints to clear the relay.
(2) Depress clip and slide cover off.
(3) Tag and remove wires from relay terminals.
(4) Remove three screws, flat washers, locknuts, and relay.
(5) Install and secure relay with three screws, flat washers, and locknuts.
(6) Connect wires to relay terminals (see tags and wiring diagram figure 4-43).
(7) Replace cover, slide on and latch in place with clip.
(8) Align separated tube joints.
Follow-on procedures:
(1) Replace dehydrator. (See para 5-23.)
(2) Purge system. (See para 5-8.)
(3) Leak test all newly connected joints. (See para 5-10.)
(4) Evacuate system. (See para 5-11.)
(5) Charge system. (See para 5-12.)
(6) Install junction box. (See para 4-32.)
(7) Install fan motor. (See para 4-57.)
(8) Install top cover. (See para 4-16.)
5-9
