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TM5-4120-377-14
(3) Disconnect flare nut on external equalizer line from expansion valve.
(4) Remove the two screws, flat washers, lock washers, and spacers that attach the valve body to its
mounting bracket.
(5) Remove remaining valve components except for body flange. (See figure 5-21.)
NOTE
If valve body flange is not damaged, do not remove (debraze) it from the system.
(6) If valve body flange is to be removed, purge the system with nitrogen and debraze the two tubes. (See
para 5-7 and 5-8.)
d. installation
(1) If valve body flange was removed, purge the system with nitrogen and braze the two tubing joints.
(See para 5-7 and 5-8.)
(2) See figure 5-21 for valve component arrangement.
(3) Place cap screws, lock washers, flat washers, and spacers through
(4) Be sure that valve components are properly assembled and alined
body flange.
(5) Connect flare nut on external equalizer line to expansion valve.
bracket and valve body flange.
and secure power assembly to
(6) Insert the sensing bulb into its mounting loop clamps in its original position and tighten the screws
and nuts. Be sure the sensing bulb is making good metal-to-metal contact with the suction line.
(7) Replace the insulation tubing that was removed from the sensing bulb and expansion valve
connections. Secure with tape, item 11, Appendix E.
(8)
(9)
(10)
(11)
Replace the dehydrator. (See para 5-13.)
Leak test all newly connected joints and those in the repair area. (See para 5-9.)
Install rear panel. (See para 4-32.)
Evacuate and charge the refrigerant system. (See para 5-10 and 5-11.)
5-46
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