TM 9-4120-404-14
4-25. SERVICE VALVES.
This Task Covers:
a. Removal
b. Installation
Initial Setup:
Tools Required
Tool Kit, Service, Refrigeration, Unit (Item 1, Appendix B)
Material/Parts Required
Equipment Condition
Air conditioner shut down and cool.
Condenser fan motor nearest service valves removed (see para. 3-34).
Condenser fan scroll nearest service valves removed (see para. 4-14).
(1) Remove two caps and gaskets (1) and (2).
(2) Remove four screws (3) and four lock washers (4).
(3) Loosen flare nuts (5) and (6).
(4) Remove service valves (7) and (8) from service box.
b. Installation.
(1) Apply oil to the threads of the service valves and place service valves (8) and (7) into service box.
(2) Install flare nuts (6) and (5) onto service valves (8) and (7).
(3) Install four screws (3) and four lock washers (4).
(4) Install two caps and gaskets (1) and (2) onto service valves (7) and (8).
4-57