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 225 of 894

BRAKES - AIR

TRUCK SERVICE MANUAL

SERVICING POWER UNITS

AIR CHAMBER DIAPHRAGM

The following procedures can be used to replace the

diaphragm

boot

and

retainer

clamp

assembly,

diaphragm plate and wedge guide of the brake air

chamber.

REMOVE POWER UNIT FROM BRAKE ASSEMBLY

A.

Remove brake lines

B.

Using a drift or other blunt tool and hammer,

loosen the collet nut.

NOTE:

With welded on spider mounted brakes

employing open ends, the entire actuation system can be

taken off at this time, if desired, as one assembly by

removing four spider to plunger housing capscrews.

However, the hub, drum and dust shield will have to be

taken off before removing the actuation system.