Description of the clutch design (Scorpio 2)

When the gear is engaged, the clutch breaks the power chain between the engine and the gearbox, and when the car starts moving, it ensures smooth power engagement between them. The clutch consists of a pressure plate, a driven plate, and a clutch release bearing.

The pressure plate is bolted to the flywheel, which in turn is attached to the crankshaft flange. Between the pressure plate and the flywheel is the driven clutch disc, which is pressed against the flywheel by the pressure plate. The driven clutch disc is centered on the splines of the transmission drive shaft.

When the clutch pedal is pressed (the clutch is disengaged), the clutch release bearing compresses the diaphragm spring of the pressure plate via the cable rod and the clutch release lever. As a result, the pressure plate stops pressing the driven disk to the flywheel. Due to this, the driven clutch disk moves away from the flywheel, and at the same time the power engagement between the engine and the gearbox is broken.

Each time the clutch is engaged and disengaged, the friction linings of the driven disk wear out as a result of minor slippage. The driven clutch disk is therefore a wearable part, the service life of which, however, is over 100,000 km. The wear rate depends mainly on the load (use of the vehicle with aim) and driving style.

Due to the presence of an automatic adjustment mechanism on the clutch pedal, there is no need to adjust the clutch drive cable after it has been damaged.

SCORPIO since 9/94: hydraulic clutch drive. When the clutch pedal is pressed, pressure is created in the master cylinder of the hydraulic drive, which is transmitted via a pipeline to the slave cylinder, bolted to the gearbox housing. The piston of the slave cylinder presses via a lever on the clutch release bearing, which is pressed against the diaphragm spring of the pressure plate and moves it slightly. Due to this, the pressure plate of the clutch moves away from the flywheel. The hydraulic system uses brake fluid supplied from a common compensation tank for brake fluid. With a hydraulic drive, the force required to press the clutch pedal is insignificant, there is no cable subject to wear, and the drive is adjusted automatically.





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