The figure shows the vacuum clutch system. Such a clutch works by using the present vacuum in the motor manifold to operate the clutch. The vacuum clutch consists of a reservoir, non-return valve, vacuum cylinder with piston, and solenoid valve.  , through which the facility is transmitted for the gearbox. https://clutchplate77530.creacionblog.com/32867836/clutch-kereta-fundamentals-explained