4-132. Brake Valve
a. Removal
(1) Relieve pressure from system.
(2) Remove the brake valve as illustrated in
Figure 4-122. Relay valves, removal and installation.
Sheet 1 of2.
Figure 4-121. Brake valve, removal and installation
b. Cleaning and Inspection.
(1) Clean and dry thoroughly.
(2) Inspect for cracks or other defects. Replace
a defective brake valve.
c. Installation. Install brake valve as illustrated in
4-133. Moisture Ejector Drain Valves
a. Removal
(1) Relieve pressure from system.
(2) Remove the drain valves as illustrated in
b. Cleaning and Inspection.
(1) Clean valves with an approved cleaning
solvent and dry thoroughly.
(2) Inspect for cracks, damaged threads, or
other defects. Replace defective drain valves.
Figure 4-122. Relay valves, removal and installation.
c. Installation. Install drain valves as illustrated in
Sheet 2 of2.
4-134. Relay Valves
a. Removal
(1) Relieve system pressure.
(2) Remove relay valves as illustrated in figure 4-
122.
4-126