TM 9-2320-273-20
BRAKE SYSTEM.
9-17. TRAILER SUPPLY BRAKE VALVE (Continued).
LOCATION/lTEM
ACTION
REMARKS
D. OPERATIONAL CHECK (Continued).
18. Control knob (4).
Push in.
2nd mechanic.
19. CAB/Park brake control
a. Apply and release
2nd mechanic.
and brake pedal.
parking brakes.
b. Press and release
brake pedal.
20. Trailer brakes.
Check that brakes apply
when:
a. Park brake is applied.
b. Brake pedal is pressed.
c. Trailer emergency brake
knob is pulled out.
1st mechanic.
21. Engine.
Shut down (see TM 9-2320-273-10).
9-57
