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 1109 of 1313
SECONDARY PRESSURE GAUGE READS NO PRESSURE, LOW PRESSURE, OR BUILDS TO NORMAL
OPERATING PRESSURE SLOWLY. PRIMARY PRESSURE GAUGE READS NORMAL (ENGINE IDLING,
BRAKE PEDAL NOT APPLIED) - Continued
STEP
3.
IS THERE PROPER AIR PRESSURE AT BRAKE PEDAL VALVE SUPPLY PORT?
a.
Stop engine and open all draincocks until brake system air pressure is vented.
b.
Close draincocks.
T0280DAA
Figure 3.
Brake Pedal.
TM 9-2320-272-23-1
0131
0131-4
Back to Top
