For Mercedes-Benz Air Suspension Strut R-Class W251 front body noly
2513200730 2513200330 2513203713 2513202213
2513203713 A 251 320 37 13 A2513203713
2513200730 A 251 320 07 30 A2513200730
2513200330 A 251 320 03 30 A2513200330
2513202213 A 251 320 22 13 A2513202213
Type:Air suspension shock
Model:For Mercedes R-Class W251
Size:Normal As Original
Automotive shock absorber
Suspension system due to the shock vibration is produced by the
elastic element, in order to improve the automobile driving
comfort, suspension and the elastic element parallel installation
of shock absorber, for the attenuation of vibration, vehicle
suspension system with damper is hydraulic shock absorber and its
working principle is when the relative motion of the frame (or
body) and the bridge between the vibration, shock absorber piston
moving, the damper cavity of the oil will repeatedly from a cavity
through different pore into another chamber.
Automobile shock absorber is used in the process of wearing parts,
shock absorber work, good or bad, will directly affect the driving
stationarity and other parts of life, therefore, we should make
shock absorber often is in good working condition. The following
method can be used to test whether the work of the vibration damper
Modern automobile shock absorber mainly has two kinds of hydraulic
and pneumatic. In which the universal use of hydraulic. Will be
used in conjunction with the spiral spring.
Test Editor for shock absorber
1. To make the car drive 10km on the poor condition of roads on the
road parking, using her hands to feel shock absorber shell, if
isn't hot enough, no resistance in the shock absorber and shock
absorber does not work. At this point, you can add the appropriate
lubricating oil, and then the test, if the shell heat, then the
vibration absorber inside the lack of oil, should add enough oil;
otherwise, the vibration damper failure.
2 press the bumper, and then release, if the car has 2 ~ 3 jump,
then the vibration damper work well.
3 when the car is moving slowly and emergency braking, if the car
vibration is more severe, the vibration damper has a problem.
. remove the damper to the upright, and the lower end of the
connecting ring clamped in a vise, straining to vibration damping
rod several times, at this time should have a stable resistance, to
pull (Restoration) of the resistance should be greater than the
downward pressure resistance. If the resistance is not stable or no
resistance, may is inside a shock absorber to lack of oil or valve
parts damaged, repair or replacement of parts.
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