- For visual assessment of degree of wear of frictional overlays of a frictional clutch plate it is necessary to release fixing bolts (5) and to remove the thermofilter (6).
- Check is made by means of the special measuring instrument (4) entered under a plastic washer (2) flanges of the executive cylinder (4) and which is put on a persistent finger (3). At a serviceable disk risks of the installed measuring instrument are completely hidden (arrow b). If after full landing of the measuring instrument to a finger, risks remain open (an arrow and), therefore, wear of a disk reached extreme admissible value.
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