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DATACENTER ERROR!!! Внимание! Авария в датацентре!!


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Diagnosis and repair



The single and tandem vacuum boosters are self contained vacuum hydraulic power braking units. These are vacuum suspended units that use vacuum and atmospheric pressure for their power.
On gasoline engine vehicles, vacuum is supplied through a fitting in the intake manifold. On diesel engine vehicles, vacuum is supplied through a vacuum pump.
The three basic elements of the booster are the vacuum power chamber, mechanically actuated booster check valve and a hydraulic dual master cylinder which supplies hydraulic pressure to the brake system.
The vacuum power chamber consists of a front and rear shell, diaphragm, diaphragm plate, hydraulic pushrod and vacuum diaphragm return spring.
The mechanically actuated booster check valve controls degree of power brake application in accordance with foot pressure applied to valve operating rod through brake pedal linkage. This valve is integral with the vacuum power diaphragm.


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