TM-5-3805-254-14-P-2

TRUCK, DUMP, 20 TON, 6X4, ON-OFF HIGHWAY 71,000 GVW, IHC MODEL F-5070 (CCE)

TECHNICAL MANUAL; OPERATOR’S, ORGANIZATIONAL, DIRECT SUPPORT, GENERAL SUPPORT AND DEPT MAINTENANCE MANUAL (INCLUDING REPAIR PARTS INFORMATION AND SUPPLEMENTAL MAINTENANCE INSTRUCTIONS)

JUNE 1980

TM-5-3805-254-14-P-2 - Page 195 of 894

TRUCK SERVICE MANUAL

BRAKES-AIR

pushing the brake shoes against the drum.

When the air pressure is released from brake chamber,

the brake shoe return spring and brake chamber release

spring return the shoes, cam, slack adjuster and brake

chamber back to the released position.

The brake chamber consists of two dished metal

sections, namely, the pressure plate assembly and the

non-pressure plate, separated by a rubber diaphragm, all

of which are held together by a metal two-segment

clamp. In front of the diaphragm are the push rod, push

rod spring and retainer, Fig. 18.