TM-9-2320-260-20

TRUCK, 5-TON, 6X6, M809 SERIES (DIESEL)

TECHNICAL MANUAL; UNIT MAINTENANCE

APRIL 1995
TM-9-2320-260-20

  TM-9-2320-260-20 - Page 53 of 1337

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.
B
C
D
E
F
G
H
When lowered, parking brake is released.
ADJUSTING KNOB -
Permits operator to make minor tension adjustment in parking brake
cable.
PARKING BRAKE CABLE -
Links parking brake lever to actuating lever.
BRAKEDRUM –
Provides surface for brakeshoes to press against when brakes are applied.
ACTUATING LEVER –
Forces inner and outer brakeshoes against brakedrum when parking
brake control lever is raised.
PARKING BRAKE ADJUSTING SCREW –
Used to ensure full contact of brakeshoes with
brakedrum.
BRAKESHOES
– Press against brakedrum when parking brake control lever is raised.
ECCENTRIC PIN
– Equalizes distance between brakeshoes and brakedrum.
1-40


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