TM 9-2320-360-10
AIR SYSTEM CONTROLS AND INDICATORS
1
AIR PRESSURE Gage
Shows air pressure (in psi and kPa) in reservoirs available to operate air system components.
Green needle indicates r pressure to operate service brakes on front ale, parking brakes on rear
tridem axles, transfer case and interaxle lockups, winch tensioners and kickouts, windshield
washers, and homs. Red needle indicates air pressure to operate service and parking brakes on
rear tridem axles, CTIS pressure transducer, and ear suspension system. Normal operating range
for AIR PRESS gage 60-120 psi (414-827 kPa).
2
AIR CLEANER RESTRICTION Indicator
Indicates when air cleaner filter is restricted. Yellow diaphragm enters red zone when air cleaner is
clogged and needs service. Yellow RESET button on face gage is used to reset gage after air
cleaner has been serviced.
3
PARKING BRAKE Control
Used to apply and release HET Tractor parking brakes and trailer parking brakes equipped.
4
TRAILER AIR SUPPLY Control
Used to control air supply to trailer.
Change 2-7
