TM 9-4120-388-14
5-27. PRESSURE RELIEF VALVE.
This task covers:
a. Inspection
b. Removal
c. Installation
INITIAL SETUP:
Equipment Condition
Inspection.
a.
(1) Check for evidence of leakage. Leak test per paragraph 5-10, if leak is suspected.
(2) Check for damage. Replace if damaged.
b. Removal.
(2) Hold fitting so that it is not twisted and unscrew pressure relief valve.
Installation.
c.
(1) Apply antisieze tape (item 15, Appendix E) to threads of valve.
(2) Screw pressure relief valve in place while holding adapter fitting.
(4) Leak test all newly connected joints and those in the repair area. (See para 5-10.)
(6) Evacuate and charge the refrigerant system. (See para 5-11 and 5-12.)