Figure 4-53. Rear emergency relay valve.
4-43. Auxiliary Air
Supply Valve
b. Installation.
(1) Install two elbow fittings in valve.
a. Removal.
(1) Depressurize air system (pare 4-38).
(3) Connect tubing to valve elbow and install
(2) Disconnect tubing from valve.
tank valve.
(4) Perform operating test and leakage test
nuts and lift out valve.
(para 4-371).
(4) Remove tank valve from elbow fitting.
(5) Remove two elbow fittinge from valve.