TM 9-2320-273-20
BRAKE SYSTEM
9-5j.
AIR SYSTEM ARRANGEMENT (M920).
LEGEND:
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.
19.
20.
21.
22.
23.
24.
WEDGE BRAKE AIR CHAMBER (2)
PARKING BRAKE VALVE
PLUG (2)
DRAIN COCK
SECONDARY RESERVOIR
90° CHECK VALVE
DOUBLE CHECK VALVE
90° ELBOW
QUICK RELEASE VALVE
AIR BRAKE CHAMBER/SLACK
ADJUSTER
PLUG (3)
PRIMARY RESERVOIR
45° ELBOW
90° ELBOW
DRAIN COCK
SPRING AND SERVICE BRAKE
CHAMBER/SLACK ADJUSTER (2)
RELAY VALVE
SPRING AND SERVICE BRAKE
CHAMBER/SLACK ADJUSTER (2)
QUICK RELEASE VALVE (3)
90° ELBOW
PLUG
DRAIN COCK
QUICK RELEASE AND DOUBLE
CHECK VALVE
PRIMARY RESERVOIR
25.
26.
27.
28.
29.
30.
31.
32.
33.
34.
35.
36.
37.
38.
39.
40.
41.
42.
43.
44.
45.
46.
47.
48.
90° ELBOW {2)
CHECK VALVE
AIR BRAKE CHAMBER/SLACK
ADJUSTER
EXHAUST VALVE
TRACTOR PROTECTION VALVE
DRAIN COCK
90° ELBOW
AIR HOSE COUPLING
SUPPLY RESERVOIR
DOUBLE CHECK VALVE
PLUG
SAFETY VALVE
CHECK VALVE
SPRING BRAKE CONTROL
VALVE
DOUBLE CHECK VALVE
DOUBLE CHECK AND STOPLAMP
VALVE
AIR DRYER
LIMITING VALVE
AIR COMPRESSOR/GOVERNOR
CHECK VALVE
TRAILER SUPPLY VALVE
PRESSURE PROTECTION VALVE
HAND CONTROL TRAILER
BRAKE VALVE
DUAL BRAKE VALVE
9-16
Change 2
