TM-9-2320-272-23-3
TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)
TECHNICAL MANUAL; FIELD MAINTENANCE MANUAL; VOLUME 3 OF 5
SEPTEMBER 2012
TM-9-2320-272-23-3 - Page 649 of 1469
TEST
1.
Start engine (TM 9-2320-272-10) and observe air pressure gauge (Figure 1, Item 1) located inside vehicle cab
until air pressure builds to 90 psi (621 kPa).
2.
Pull parking brake lever (Figure 1, Item 4) up to engage.
3.
Push in spring brake release control (Figure 1, Item 2) on instrument panel (Figure 1, Item 3) to release
spring
brakes.
4.
Place transmission selector lever (Figure 1, Item 5) in 1-5 (drive). If vehicle moves, perform
MAJOR
ADJUSTMENT.
M9199DAA
1
3
2
5
4
Figure 1.
Parking Brake Test.
END OF TASK
TM 9-2320-272-23-3
0420
0420-2
Back to Top
