TM 9-4120-398-14
5-14. LIQUID QUENCH VALVE (cont)
c.
(1) Insert sensing bulb (3) into its original position. Be sure sensing bulb is installed in the original position and is
making good metal-to-metal contact with suction line.
(2) Install insulation tubing (1) that was removed from sensing bulb and liquid quench expansion valve
connections. Secure insulation tubing with tape, item 16, Appendix E.
Replace the filter-drier. (See paragraph 5-21.)
(3)
(4)
Purge the system with nitrogen. (See paragraph 5-6.)
Install liquid quench valve (4).
(5)
Braze connections. (See paragraph 5-7.)
(6)
Leak test all newly connected joints and those in the repaired area. (See paragraph 5-8.)
(7)
Evacuate per paragraph 5-9 and charge the refrigerant system. (See paragraph 5-10.)
(8)
(9)
Evaporator access door closed. (See paragraph 4-12.)
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