The drum brake system consists of the following components:
When mechanical force is applied by the driver to the brake pedal, the force is converted into hydraulic pressure by the master cylinder. The hydraulic force is directed to the wheel cylinders moving the brake shoes against the friction surface of the brake drum. The friction of the brake shoes on the brake drum causes the slowing or stopping of wheel rotation and the vehicle.
Brake Drum
Brake Backing PlateFord Focus Tyre pressure monitoring system
WARNINGS:
The system does not relieve you of
your responsibility to regularly check
the tyre pressures.
The system will only provide a low
tyre pressure warning. It will not
inflate the tyres.
Do not drive on significantly
under-inflated tyres. This may cause
the tyres to overheat and ...