Figure 4-33 Hydraulic master cylinder, brake chamber and relay valve, removal and installation.
4-45. Brake Air Chamber
b. Inspection and Repair.
a. Removal.
(1) Inspect master cylinder lines for cracks.
(1) Release the air brake pressure by opening
breaks, kinks or other damage.
drain cock (fig. 3-5) at the air reservoir.
(2) Repair by replacement of defective parts.
(2) Remove the air brake chamber and master
cylinder as illustrated in figure 4-33.
c.
Installation.
b. Disassembly. Disassemble the air brake cham-
(1) Install the master cylinder as illustrated in
ber in numerical sequence as illustrated in figure
figure 4-33.
4-34.
(2) Bleed the hydraulic brake system (para 4-42).
4-45
