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 213 of 894

TRUCK SERVICE MANUAL

BRAKES-AIR

SERVICING DUST SHIELDS

A.

Welded on spider brakes have dust shields of

the four-piece type attached to the spider with

capscrews and lockwashers.

Either one or all

of the sections can be removed directly from

the brake by removing the capscrews and

lockwashers.

B.

Most bolted on spider brakes with two-piece dust

shields can be serviced as described in

paragraph "A" after removing wheels, drums

and brake shoes.

C.

Bolted on spider brakes with one-piece dust

shields will have to be taken off the vehicle for

servicing.

To remove dust shield from brake

first remove power units then remove shield to

spider capscrews and lockwashers.

The

shields can be replaced with a one or two piece

dust shield

D. On

backing

plate

mounted

brakes the backing plate serves. as a support

for the plunger housing and anchor block as

well as a dust shield.

For servicing the

complete backing plate will have to be taken off

the vehicle by removing the plate to spindle

flange bolts, nuts and lockwashers.

SERVICING BRAKE SHOES

REMOVE SHOES

NOTE: If necessary back off shoes away from drum

manually by turning adjusting bolt assemblies.

B.

Remove wheel, hub and drum assemblies.

C.

Remove brake shoe return springs, using one of

the following two methods:

"COIL" RETURN SPRING

1.

Use brake spring pliers.

(DO NOT use

screwdriver.) On backing plate mounted brakes,

remove

the anti-rattle rod assembly by pushing on rod head on

back side, while depressing spring and cap.

Turn cap

Y4 turn and remove caps, spring and rod.