TM-9-2320-272-23-1
TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)
TECHNICAL MANUAL; FIELD MAINTENANCE MANUAL; VOLUME 1 OF 5
SEPTEMBER 2012
TM-9-2320-272-23-1 - Page 244 of 1313
AIR PRESSURE SUPPLY SYSTEM OPERATION - Continued
B
D
F
H
I
SECONDARY
SERVICE
AUXILIARY
AIR-POWERED
SYSTEM
FROM SECONDARY SERVICE
AIRBRAKE SYSTEM
BIDIRECTIONAL
FEED
SPRING
BRAKE
SYSTEM
PRIMARY
SERVICE
A
C
E
G
G0039DAA
Figure 27.
Constant Air Pressure Supply System Components.
TM 9-2320-272-23-1
0003
0003-39
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