DESCRIPTION
Drum brakes on all models are dual shoe, internal expanding units with an automatic self adjusting mechanism (Fig. 3). Nine inch and eleven inch brakes are used.
OPERATION
When the brake pedal is depressed hydraulic pressure pushes the rear wheel cylinder pistons outward.
The wheel cylinder push rods then push the brake shoes outward against the brake drum. When the brake pedal is released return springs attached to the brake shoes pull the shoes back to there original position.
Fig. 3 Brake Assembly
1 - SUPPORT PLATE
2 - RETURN SPRING
3 - ANCHOR PLATE
4 - RETURN SPRING
5 - CABLE GUIDE
6 - PARKING BRAKE LEVER
7 - ADJUSTER CABLE AND SPRING
8 - SHOE RETAINER, SPRING AND PIN
9 - SECONDARY SHOE AND LINING
10 - LEVER SPRING
11 - ADJUSTER LEVER
12 - ADJUSTER SCREW ASSEMBLY
13 - SHOE SPRING
14 - PRIMARY SHOE AND LINING
15 - PARKING BRAKE STRUT AND SPRING