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Unit 26 Steering system

1. Memorize the new words and word-combinations:

1.steering system

2.to steer, to guide

3.stub axle

4.to swivel

5.spindle, pin

6.track rod

7.drop arm

8.drag link

система управління

направляти

поворотний кулак, цапфа

крутитися

палець

поперечна рульова тяга

рульова сошка

продольна рульова тяга

2.Translate the word-combinations:

steering system, stub axle, steering arm, steering box, to make sure, steering wheel, to steer in some direction, to be mounted, upright spindle, across the front of the car, off - side wheel, to cause to move, to result in, to exactly follow, to take care in the design, to affect

3. Read and translate the text. Steering system

The steering is the means by which a car can be guided along the road and steered in the direction the driver wishes to travel.

Each front wheel is mounted on a stub axle which is able to swivel on a nearly upright spindle called the king-pin. Fitted to each stub axle is a short lever known as the steering arm, the two steering arms being connected together across the front of the car by a track-rod.

Projecting from the steering box is a short lever called the drop arm, and this can be connected to the off-side wheel (the wheel on the driver's side of the car) by means of a drag-link, or directly to the track rod.

When the driver turns the steering wheel, mechanism in the steering box causes the drop arm to move forward or backward. This movement results in movement of the steering arm and the turning of the road wheel. The steering usually operates directly on the offside wheel, the track rod making sure that the other wheel exactly follows the movement.

Many cars are fitted with the alternative method of steering called rack and pinion. This is very efficient, but unless care is taken in the design, road jolts can affect the steering.

4 . Answer the questions:

1) What is the function of the steering system?

2) What does the steering system consist of?

3) How does the steering system work?

5. Say with one word:

1) short metal rods that transmit turning motion from the tie rods to the steering stub axle

2) mechanism at the lower end of the steering column that translates the steering wheel rotation into linear motion to turn the wheels

3) device that is swiveled by the steering mechanism, causing the wheels to turn.

Unit 27 Brakes

1. Memorize the new words and word-combinations:

1.essential

2.drum brakes

3.disc brakes

4.to expand

5.shoe

6.friction pad

7.master cylinder

8.hydraulic system

9.friction lining

суттєвий

барабанні гальма

дискові гальма

розширюватись

колодка

фрикційна накладка

головний циліндр

гідравлічна система

фрикційна гальмова накладка

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