TM 9-2320-302-10
0004 00-9
DESCRIPTION AND USE OF OPERATOR'S CONTROLS
AND INDICATORS - CONTINUED
0004 00
INSTRUMENT PANEL - CONTINUED
Key
Control or Indicator
Function
18
Parking Brake Control
Yellow diamond-shaped knob operates parking
brake valve. Pull out to apply and push in to release
parking brake.
19
Trailer
Air
Supply
Control
Red octagonal-shaped knob supplies air to trailer air
reservoirs. Push in to charge trailer air supply and
release trailer spring brakes. Pull out to shut off air
supply and apply trailer spring brakes.