single-plate clutch system used in vehicles with manual transmissions

The image illustrates a single-plate clutch system used in vehicles with manual transmissions.

Here's a breakdown of what the image shows:

Top Diagram (Schematic View):

 * It shows a cross-section of the clutch assembly and its connection to the engine and gearbox.

 * Key components are labeled:

   * Flywheel: Attached to the engine's crankshaft.

   * Clutch disc: Has friction linings and a splined center hub that connects to the transmission input shaft.

   * Pressure plate: Part of the pressure plate assembly (which also includes the clutch cover, fulcrum ring, and diaphragm spring). It presses against the clutch disc to engage it with the flywheel.

   * Diaphragm spring: Provides the force to engage the clutch.

   * Clutch fork: Actuated by the clutch pedal mechanism to move the thrust bearing.

   * Thrust bearing (Release bearing): When the clutch pedal is pressed, the fork moves this bearing against the diaphragm spring, releasing pressure on the clutch disc.

   * Transmission input shaft: Connects to the gearbox and receives power from the engine when the clutch is engaged.

   * Pilot bearing: Located in the center of the flywheel, it supports the end of the transmission input shaft.

   * Crankshaft: The rotating output shaft of the engine.

   * Clutch pedal: Operated by the driver to engage and disengage the clutch.

   * Bolt: Used to secure the clutch assembly to the flywheel.

   * Splines: Grooves on the transmission input shaft that mate with the clutch disc hub.

Bottom Image (Exploded View and Contextual View):

 * Exploded View: Shows the individual components of the clutch system separated: Flywheel, Clutch disc, Pressure plate, and Cover.

 * Contextual View: Shows the clutch assembly located between the Engine and the Gear box (Transmission). It also labels the Mechanism, Cover, Clutch disc, Pressure plate, and Diaphragm spring.

In essence, the image explains how a single-plate clutch works to connect and disconnect the engine's power from the transmission, allowing the driver to change gears. 

When the clutch pedal is released, the diaphragm spring forces the pressure plate to clamp the clutch disc against the flywheel, transmitting power. 

When the clutch pedal is pressed, the thrust bearing releases this pressure, allowing the clutch disc to spin freely and disconnecting the power flow.