The design of the clutch and its drive components
1 - Slave (friction) clutch disc
2 - Assembling the clutch basket with the pressure plate
3 - Clutch release fork
4 - Clutch release bearing
5 — the Lever of deenergizing of coupling
6 - Clutch drive
7 - manual transmission
8 - clutch basket cover
9 - Clutch pedal
When the clutch pedal is depressed, the clutch release bearing is pressed against the diaphragm spring of the pressure plate, experiencing pressure through the clutch cable and lever. Thus, the clutch pressure plate is unloaded and the driven plate is no longer pressed against the flywheel. The contact of the engine with the manual transmission is terminated.
If the clutch pedal is released, the pressure plate presses the driven plate against the flywheel and the transmission of torque is restored again, because. the pressed disk through the splined connection is connected to the input shaft of the manual transmission.
Each time the clutch is engaged and disengaged, the friction linings of the driven disc are worn due to slight sliding. The service life of the driven disk, however, is at least 100,000 km of the car. Wear mainly depends on the load on the power unit (e.g. towing a trailer) and driving style. As part of the maintenance, only adjustment of the clutch pedal is required. In the process of wear of the friction linings, the clutch pedal moves up.
When servicing a clutch, in addition to replacing components with obvious damage, some initial checks must be made (it is assumed that the gearbox is in good condition):
- Run the engine at normal idle to estimate clutch shift time. Make sure the gear is in neutral and release the clutch pedal. Now depress the clutch pedal and, after waiting a few seconds, engage reverse gear. Switching should not lead to a rattle and other extraneous noises, with a high degree of probability indicating a malfunction of the driven disk or clutch basket assembly;
- To check that the clutch is fully disengaged, apply the parking brake and start the engine. While holding the clutch pedal about 13 mm above the floor, shift the transmission between first and reverse gears. The presence of interference when switching the lever indicates a malfunction of the components of the shutdown mechanism;
- Perform a visual check of the condition of the axle bushings at the top of the clutch pedal. Check for signs of jamming or excessive axle play.
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