The figure shows the vacuum clutch mechanism. This type of clutch uses the prevailing vacuum from the engine manifold to work the clutch. The vacuum clutch includes a reservoir, non-return valve, vacuum cylinder with piston, and solenoid valve.  When the clutch pedal is pressed, a cable or hydraulic piston pushes https://gunnerzcayd.onesmablog.com/little-known-facts-about-clutch-kereta-73561980