Section V. CARRIER AIR BRAKE DOUBLE CHECK VALVE ASSEMBLY
332. Carrier Air Brake Double Check Valve
The carrier's double check valves are used in an air
Assembly Cleaning, Inspection, and Repair
brake system when it is necessary to automatically
a. Cleaning. Clean all parts with an approved
direct the flow of air pressure into a common line from
cleaning solvent and dry thoroughly.
either of two other lines. Both of the carrier air brake
b. Inspection and Repair. Inspect all parts for
double check valves are used in conjunction with two
excessive wear and damage. Replace or repair all
brake control valves. If the double check valves were
not used and either of the brake control valves were
moved to the applied position, tank pressure would
333. Carrier Air Brake Double Check Valve
escape through the exhaust part of the other brake
Assembly Reassembly and Installation
a. Reassembly. Reassemble the carrier air brake
double check valve assembly in the reverse of the
331. Carrier Air Brake Double Check Valve
Assembly Removal and Disassembly
b. Installation. Install the carrier air brake double
a. Removal. Remove the carrier air brake double
check valve assembly (TM 5-3810-207-20).
check valve assemblies (TM 53810-207-20).
b. Disassembly. Disassemble the carrier air brake
double check valve assembly in numerical sequence as
1 Screw, cap, 5/16-24 x 7/8 in. (2 rqr)
6 Disk valve
2 Washer, lock, 5/16 in. (2 rqr)
5 Valve guide
Figure 93. Carrier air brake (disk type) double check valve assembly, exploded view.