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Page Title:
PARKING BRAKE SYSTEM |
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 TM 9-2320-361-24-1
0003 00
THEORY OF OPERATION (Contd)
PARKING BRAKE SYSTEM
Parking Brake System Operation: The parking brake system consists of a brake drum and an inner and
outer brake shoe assembly, mounted on the transfer case. It is manually controlled by a cable and control
lever mounted on the cab floor. The major components of the parking brake system are as follows:
A PARKING BRAKE CONTROL LEVER Applies parking brake when pulled to raised position. When
lowered, parking brake is released.
B
ADJUSTING KNOB Permits operator to make minor tension adjustment in parking brake cable.
C
PARKING BRAKE CABLE Links parking brake lever to actuating lever.
D
BRAKEDRUM Provides surface for brakeshoes to press against when parking brake is applied.
E
ACTUATING LEVER Forces inner and outer brakeshoes against brakedrum when parking brake
control lever is raised.
F
PARKING BRAKE ADJUSTING SCREW Used to ensure full contact of brakeshoes with
brakedrum.
G
BRAKESHOES Both apply friction to brakedrum when parking brake control lever is raised.
H
ECCENTRIC PIN Equalizes distance between brakeshoes and brakedrum.
B
A
C
D
E
F
G
H
0003 00-16
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