3233030 - E10 CLUTCH PEDAL HARDENING

When the clutch pedal is pressed, the resistance is excessive,
Since this symptom is "subjective", make sure that there really is an effective hardening compared with the previous condition which was considered "normal"
Results of the tests
1CLUTCH PEDAL CHECKAll OKProblems metOperation
Check the clutch pedal travel Continue to Step 2 Pedal travel not correct Restore the operation of the clutch pedal Op.   3330B26 
2CLUTCH CONTROL LEVER CHECKAll OKProblems metOperation

Check:

  • that the clutch control lever travel is correct
  • for the presence of grease at the joints
Continue to Step 3 Lever travel not correct Restore the lever travel Op.   1820A24 
Bush seized or lack of greaseRestore the operation of the clutch (See Assembly 1820B)
3OPERATING CYLINDER CHECKAll OKProblems metOperation

Check:

  • that the clutch operating cylinder push rod returns correctly to the rest position;
  • the outer surface of the cylinder: make sure that there are no traces of oil, resulting from the seizing of the piston inner seal
Continue to Step 4 Clutch operating cylinder faulty Replace the clutch operating cylinder Op.   1820B30 
Clutch pump faulty Replace the pump Op.   1820B20 
4CHECK SPLINED HUBAll OKProblems metOperation
Check for excess grease on the clutch plate hub bushes and the gearbox main shaft Continue to Step 5 Gearbox main shaft hub faultyReplace the gearbox main shaft (see OVERHAULING GEARBOXES Assembly 2110B)
Clutch plate hub bushes faultyRestore the correct lubrication for the bushes If necessary, replace the clutch plate Op.   1810A20 
5CLUTCH PLATE CHECKAll OKProblems metOperation

Check:

  • clutch plate wear
  • that the clutch plate is not distorted
  • that there is no damage to the pressure plate diaphragm spring
Continue to Step 6 Clutch plate or pressure plate faulty Replace the clutch plate Op.   1810A20 
6CHECK CORRECT OPERATIONAll OKProblems metOperation
Check that the fault is no longer presentEnd of diagnosisFault persistsSearch for the fault starting from another symptom'