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 BRAKES
Equal drum-shoe alignment is controlled by the
PARKING BRAKE SYSTEM
actuating cam and the only adjustment necessary is
through the linkage, which is a cable.
GENERAL
B. DISASSEMBLY
The parking brake is attached to the lower front of the
transmission. It may be either an external shoe dual
grip type or an internal expanding shoe type.
1. Raise truck off the floor enough to allow working
space on the underside and block in this position.
A cable with one end attached to a hand lever and the
other to the actuating pawl lever is the means of
2. Remove brake drum mounting bolts after setting
controlling the parking brake.
the parking brake to prevent the drum from turning.
PARKING BRAKE
3. Release park brake and disconnect cam lever
from linkage clevis. Remove the drum.
A. GENERAL (Fig. 16)
The parking brake assembly consists of the following: a
4. Using spring pliers, remove the lower and upper
backing plate assembly, two shoe and liner assemblies,
springs.
two retracting springs, an actuating cam and lever, two
direction to free them from
rollers, and a brake drum.
Figure 17.
guides on the backing plate, then place in a clean area.
5. Remove flange (Fig. 18) from transmission
Figure 16.
output shaft when it is necessary to remove cam (Fig.
Brake shoes and springs are interchangeable within the
assembly.
B-142
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