TM 9-2320-260-20
1-18. CONTROL SYSTEMS OPERATION (Contd)
d. Parking Brake System Operation.
The parking brake system is a manually-operated system that provides a means of keeping the vehicle
motionless when it is stopped. Major components of the parking brake system are:
A PARKING BRAKE CONTROL LEVER Sets 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.
PARKING BRAKE CABLE - Links parking brake lever to actuating lever.
C
D
BRAKEDRUM Provides surface for brakeshoes to press against when brakes are 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 Press against brakedrum when parking brake control lever is raised.
H ECCENTRIC PIN Equalizes distance between brakeshoes and brakedrum.
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