The clutch plate is linked to the gearbox shaft. If the clutch is engaged, the stress plate is pushed clear of the clutch plate and therefore disengaged.  At this time, the atmospheric pressure acts on both the aspect in the piston on the vacuum cylinder, as the vacuum cylinder is https://clutchkereta39009.therainblog.com/32000660/an-unbiased-view-of-clutch-kereta