Order of execution
1. Clean the pressure and driven disks, as well as the working surface of the flywheel, from dust and dirt.
2. Inspect drive disk. Cracks on the details of the driven disk are not allowed. Check friction lining wear. If the heads of the rivets are deepened to a distance of less than 0.2 mm, the surface of the friction linings is oily or the rivet joints are loosened, then the driven disk (or friction linings) needs to be replaced. Check the reliability of fixing the damper springs in the sockets of the hub of the driven disk; if the springs are broken, the disk must be replaced. Check the runout of the driven disk, if its warping is detected during visual inspection. If the runout is greater than 0.4 mm (measured at a distance of 2.5 mm from the outer edge of the disc), the disc needs to be replaced.
3. Inspect the friction surfaces of the flywheel and pressure plate, paying attention to the absence of deep scratches, scratches, nicks, obvious signs of wear and overheating. Loosening of rivet connections of pressure plate parts is not allowed. In the presence of these defects, the nodes are recommended to be replaced. Check the warping of the pressure plate by applying a metal ruler to its working surface. If a feeler gauge 0.3 mm thick can be inserted anywhere under the ruler, then replace the pressure plate with casing assembly.
4. Visually assess the condition of the pressure plate diaphragm spring. The points of contact of the spring petals with the clutch release bearing must be in the same plane and not have obvious signs of wear.
5. Check the ease of movement in the axial direction of the driven clutch disc along the splines of the input shaft. If movement is difficult, remove burrs from splines. Radial play of the disk on the shaft is not allowed.
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