TM-9-2320-272-10
TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)
TECHNICAL MANUAL; OPERATOR'S MANUAL
SEPTEMBER 2004
CHANGE 2
TM-9-2320-272-10 - Page 85 of 481
TM 9-2320-272-10
1-68
1-20. COMPRESSED AIR AND BRAKE SYSTEM OPERATION (Contd)
f. Auxiliary Air-Powered System Operation.
The auxiliary air-powered system consists of air-actuated vehicle accessories.
All of these accessories receive air pressure through the accessory manifold and off
the pressure protection valve with the exception of the horns. Components of the
auxiliary air-powered system are:
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