TM-9-2320-283-20-1
TRUCK TRACTOR, LINE HAUL, 50,000 GVWR, 6X4, M915A1
TECHNICAL MANUAL; ORGANIZATIONAL MAINTENANCE PART 1 OF 3
DECEMBER 1983
TM-9-2320-283-20-1 - Page 98 of 926
TM 9-2320-283-20-1
PRINCIPLES OF OPERATION.
1-20.
BRAKE SYSTEM (Continued).
b.
Brake System Components (Continued).
(15)
Quick Release Valve.
Speeds up exhaust of air from rear-axle brake chambers when operator releases brakes.
(16)
Relay Valve.
Applies rear brakes faster and more firmly than if they were actuated directly by air pressure in control lines from
cab brake valves.
TA 236796
1-77
Back to Top
