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GMC ZE06581 1976 Maintenance Manual Supplement page 65

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5- 2 BRAKES
Figure 1-Brake Bleeding Sequence
4. Remove cotter pin and castillated nut
from hub as shown in Figure 5 .
BRAKE ADJUSTING
TOOL
ADJUSTING
SCREW
A-1721
Figure 2-Backing OfF Brake Adjustment
Figure 3-Lanced Area in Backing Plate
5 . Hub and drum assembly can now be
removed. See Figure 6 .
6. Using a suitable punch, knock out the
metal blank in backing plate (located at lanced
area, see figure 3) .
Be sure all metal is
removed from the brake assembly .
BRAKE DRUM INSTALLATION
1 . Install hub and drum assembly (figure 6) .
2. Install flat washer and castillated nut on
hub while rotating hub and drum assembly .
Figure 4-Removing Dust Cap

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