When the throttle valve of the 1st chamber is opened, cam 20, mounted on its axis, presses the lever and through the spring in the pusher acts on the diaphragm of the pump 19. Under the pressure of the diaphragm, fuel is injected into the 1st and 2nd chambers through the channel through the check valves 21 and 22 and the sprayers 23.
When the throttle valve of the 1st chamber is closed, fuel is sucked into the cavity of the accelerator pump from the float chamber. Check ball valves sequentially close the inlet and discharge channels.
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Accelerator pump (Mazda Familia BF)
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This text was checked by: Yaroslav Odintsov
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