TM-9-2320-361-10
2-1/2-TON, 6x6, M44A2 SERIES TRUCKS (MULTIFUEL)
OPERATOR'S MANUAL
DECEMBER 1988
TM-9-2320-361-10 - Page 67 of 392
TM9-2320-361-10
2-5. BODY EQUIPMENT CONTROLS AND INDICATORS (Contd)
c.
Key
1
2
3
4
5
6
7
Tractor Truck (M275A2).
Item and Function
Airbrake Hand Control Lever
is moved down (on) to charge semitrailer
airbrake system.
Fifth Wheel Operating Handle
is pulled forward to unlock jaws and separate
semitrailer from tractor.
Electric Cable and Connector
is connected to semitrailer electrical receptacle
to provide electrical power to semitrailer.
Emergency Airbrake Hose Line and Coupling
connects to emergency
airbrake coupling on right front side of trailer. The trailer emergency brake
system is activated when air system fails.
Airbrake Hose Coupling Shutoff Cocks
are turned down (on) to allow air to
enter semitrailer brake system, and must be turned off when trailer is
uncoupled.
Service Airbrake Line and Coupling
is connected to service airbrake
receptacle in left front side of trailer to provide air to semitrailer service
airbrake system.
Safety Latch
assures positive locking of fifth wheel jaws, and is swung to one
side to move operating handle.
2-14
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