TM 9-2320-209-20-3- 2
Section VI .
AIR BRAKE SYSTE M
13-20. AIR SYSTEM PRESSURE VENTING .
TOOLS :
Non e
SUPPLIES :
Non e
PERSONNEL: On e
EQUIPMENT CONDITION: Truck parked, engine off, handbrake set .
FRAME 1
1 .
The air reservoir drain cock (1) is located on different trucks in differen t
places as shown .
2 .
Turn air reservoir drain cock (1) to the left 1/4 turn and let air pressur e
out of system .
3 .
When air flow stops, turn air reservoir drain cock (1) 1/4 turn to th e
right .
END OF TAS K
13-148