Mercedes of the S-class W202
1993-2000 of release
Repair and operation of the car
+ 1.2. General information
+ 2. Maintenance
+ 3. Engines
+ 4. Lubrication system
+ 5. Cooling system
+ 6. Heating, ventilation
+ 7. System of ignition
+ 8. Fuel system
+ 9. Transmission
+ 10. Running gear
- 11. Steering
11.2. The block of an inflatable safety cushion on a steering wheel
11.3. Steering wheel
11.4. Steering trapeze
11.5. Cuffs of hinges of a steering trapeze
11.6. Power steering pump
11.7. Installation of disorder convergence
11.8. Easily and easy
11.9. Maintenance of system of steering
11:10. Diagnostics of malfunctions of system of steering
+ 12. Brake system
+ 13. Body
+ 14. Electric equipment
+ 14.2. Electrical circuitries
Optimum road performance and the minimum wear of rubber are reached only if the provision of wheels is correctly exposed. At the increased and uneven wear of tires, and also a road incontience – at bad stability of the direction and insufficient stability on turns it is necessary to address in a workshop that by means of optical methods to expose disorder convergence.
Installation of disorder convergence cannot be carried out without the corresponding equipment. Therefore here only the basic concepts necessary for installation of disorder convergence are described.
Convergence is called the corner on which the plane of a wheel deviates a longitudinal axis of the car. The positive convergence means that wheels at measurement in front agree on height of their centers a little closer, than behind. The negative convergence means that wheels in front disperse more, than behind.
At the Mercedes car both forward, and back wheels have a positive convergence: forward wheels – 0 °25' (a sports suspension bracket 0 °10'), back wheels – 0 °25'.
Disorder and cross inclination шкворня rotary fist
Disorder and cross inclination шкворня a rotary fist reduce transfer of pushes by steering and provide the minimum friction on turns.
Disorder call a corner on which the plane of a wheel deviates a vertical. Forward wheels, thus, will defend at negative disorder in a contact point with the road further from each other, than from above. At the Mercedes car forward and back wheels have negative disorder.
The cross inclination шкворня is a corner between an axis of turn of a fist and a vertical in a point of standing of a wheel if to look in the longitudinal direction of the car.
Disorder and cross inclination шкворня a rotary fist in common define a so-called shoulder of a running in. Thanks to the relevant constructive data, big stability in the direction is reached when braking, in particular, if wheels are on various paving (for example if the left wheel brakes on dry, and right – on the wet road).
Longitudinal inclination шкворня back
The longitudinal inclination шкворня is a corner between an axis of turn of a fist and a vertical in the cross direction back. This inclination substantially influences management of forward wheels at the movement on a straight line. The insignificant inclination favors to deviations from the direction of the movement when driving on bad roads or at a side wind, and on turns the wheel badly comes back to average situation.
The longitudinal inclination together with disorder is exposed by means of two bolts with the clown on suspension bracket levers.
Prerequisites for check
– the ordered air pressure in tires;
Check/installation of a positive convergence of forward wheels
The provision of forward wheels at the top view
Exact installation of disorder convergence has to be made only in a company workshop. At unilateral wear of tires the convergence generally has to be checked. The convergence is checked if parts of a steering trapeze were removed. The convergence can be checked by rather simple means.
The above-stated prerequisites for check have to be observed.
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