TM 5-2330-305-14
4.4.1.3 REPLACE RELAY OUICK RELEASE VALVE.
TOOLS: Combination Wrench Set
SUPPLIES: Relay Quick Release Valve
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
Thread-sealant (TFL)
Liquid Detergent
Plastic Pail
Cotton Cloth
Solvent
Repressurize system by open-
ing moisture ejectors.
Loosen fittings and remove
three air hoses.
Remove two T-fittings and
couplings.
Remove lower coupling from
valve.
Remove valve from tank.
Clean fitting threads on new valve with a solvent-saturated, cotton
cloth.
Coat threads with sealant and install new relay valve to tank.
Coat threads with sealant and reinstall two lower couplings to
valve.
Coat threads with sealant and reinstall T-fittings and couplings to
tank.
Reinstall air hoses and tighten fittings securely.
Pressurize system with air.
Check for leaks by coating fittings with a soapy water solution and
inspecting for the presence of bubbles.
4-16
