TM 9-4120-403-14
Replacement
(1) Place coil in a supporting place as far as the leads will allow.
(2) Remove screw, nut, spacer and clamp that secure valve to casing.
(3) Using wet rags, insulate tubing and valves in the area of the fluid pressure relief valve.
(4) While purging the system with nitrogen, debraze the tube joints. (See paras 5-8 and 5-9.)
(5) Remove the fluid pressure regulating valve.
(6) Place the fluid pressure regulating valve on tube ends.
(7) Wrap a wet rag around valve to insulate.
(8) Using wet rags, insulate tubing and valves in the area of the fluid pressure relief valve.
(9) While purging the system with nitrogen ,braze the tube joints. (See para 5-8 and 5-9.)
(10) Secure fluid pressure relief valve to casing with clamp, spacer, nut and screw.
(13) Leak test all newly connected joints andthose in the repaired area. (See para 5-10.)
(14) Install and secure coil and data plate on plunger of solenoid valve (L2) with nut.
Follow-on procedures:
(1) Evacuate the refrigeration system. (See para 5-11.)
(3) Install pressure switch enclosure, gasket, backing plate, and pressure switch nameplate. (See
5-86