TM-9-2320-272-24-1
TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)
TECHNICAL MANUAL; UNIT, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL; VOLUME 1 OF 4
JUNE 1998
TM-9-2320-272-24-1 - Page 643 of 1015
3-100. SPRING
TM 9-2320-272-24-1
FOLLOW-ON TASKS:
Connect battery ground cables (para. 3-126).
Start engine (TM 9-2320-272-10) and allow air pressure to build up to normal
operating range. Check for air leaks at point switch is attached to valve. Stop
engine and engage spring brakes. Spring brake warning light should glow.
3-279
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