Английский язык для студентов автомобилестроительных специальностей средних профессиональных учебных заведений

Вариант 19

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Brakes

Brakes are used to slow or stop the car where it is necessary. It is one of the most important mechanisms of the car as upon its proper performance the safety of passengers depends. Car brakes can bе divided into two types, namely: drum brakes and disc brakes. The drum type may bе either а band brake or а shoe brake.

Depending on their functions, the automobile has foot brakes and hand brakes (parking brakes). According to their mode of operation, the brakes are classified as: mechanical brakes, hydraulic brakes, airbrakes, electric brakes. Brakes are controlled bу the brake pedal.

Most braking systems in use today are hydraulic. This system consists of а master cylinder mounted on the car frame and wheel cylinders. When the driver pushes down on the brake pedal, it forces the piston to move in the master cylinder and brake fluid is delivered from 11 to the wheel cylinders. The piston movement causes brake shoes to move and the brakes are applied (the brake shoes a