TM 5-4220-227-14
4-30. Water Valves (3/4 in.).
This task covers:
Replace
INITIAL SETUP:
Tools
Materials/Parts (Cont)
General Mechanic's Tool Kit
Distilled Water (Item, 9, Appendix E)
(NSN 5180-00-177-7033)
Cloth, Lint Free (Item 6, Appendix E)
Tape, Teflon (Item 21, Appendix E)
Materials/Parts
Equipment Condition
Valve
Repair Kit
Chamber shut down (para. 2-15).
Detergent, Nonionic (Item 8, Appendix E)
a.
Replace. (figure 4-12)
NOTE
There are two heater/chiller fluid valves. The replacement of the supply valve or return valve is the same.
(1)
Position valve (1) to the closed position and ensure that the heater/chiller module electrical power switch is in the
OFF position.
(2)
Loosen fitting nut (2) and remove line (3).
(3)
Keep the open end of fluid hose elevated above the level of heater/chiller module to prevent draining the system.
(4)
Remove elbow (4) from valve (1).
(5)
Remove valve (1) from nipple (5).
4-34