TM-9-2320-273-20

TRUCK TRACTOR, LINE HAUL; LIGHT EQUIPMENT TRANSPORTER; TRUCK CHASSIS; MEDIUM EQUIPMENT TRANSPORTER

TECHNICAL MANUAL; ORGANIZATIONAL MAINTENANCE

NOVEMBER 1980

TM-9-2320-273-20 - Page 121 of 1500

TM 9-2320-273-20

2-64. SYSTEM COMPONENTS (Continued).

B.

C.

“S’’- TYPE CAM BRAKE. Used on rear tandem axle inside wheels on all six models and

pusher axle wheel on M917, M919 and M920.

AIR CHAMBER. Two used on each rear tandem axle of all vehicle models.

Spring loaded

brake applies when air pressure drops due to:

1.

compressed air system failure.

2.

engine shutdown.

3.

application of park brakes.

2-73