BRAKES 5-7
BRAKE BOOSTER ASSEMBLY
The vacuum pressure acts on chambers "A" and "B" of the brake booster while the brake pedal and control valve "C" stand
still. This position allows the communication between both chambers and avoids external air entrance to chamber "B".
When the brake pedal is pressed, control valve "C" closes the communication between the two chambers "A" and "B" and
allows entrance of external air to chamber "B". This way, all the generated vacuum pressure by the vacuum pump system
gets into chamber "A" (at the master cylinder side), leading to the displacement towards this side of membrane "D" and
pushing rod "E" which drives the brake master cylinder pistons, helping thus to produce the hydraulic pressure necessary
to brakes.
´´ A´´
´´ B´´
´´ E´´
´´ D´´
´´ C´´
´´ C´´
´´ A´´
´´ B´´
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