The figure shows the vacuum clutch system. This sort of clutch uses the prevailing vacuum within the engine manifold to operate the clutch. The vacuum clutch is made of a reservoir, non-return valve, vacuum cylinder with piston, and solenoid valve.  When the clutch pedal is pressed, a cable or hydraulic https://clutch-kereta00964.myparisblog.com/33570856/the-ultimate-guide-to-clutch-plate