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 1079 of 1313
NO AIR PRESSURE (WARNING BUZZER SOUNDING, AIR PRESSURE NOT BUILDING TO NORMAL
OPERATING RANGE AS INDICATED BY GAUGES) - Continued
STEP
4.
ARE AIR GAUGES WORKING PROPERLY?
a.
Check air gauges reading accuracy.
b.
Stop engine and open all draincocks until brake system air pressure is vented.
c.
Close draincocks.
T0258DAA
Figure 5.
Wet Supply Tank.
d.
Disconnect outlet line at wet supply tank and install tee between tank and line. Refer to point to point
schematics.
e.
Install pressure gauge on tee.
f.
Start engine and allow sufficient time for air to build to normal operating pressure.
TM 9-2320-272-23-1
0126
0126-8
Back to Top
