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IATF 16949, ISO 14001 and OHSAS 18001.

WARRANTY GUIDELINES

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  2. WARRANTY GUIDELINES
  1. Cause – Driver foot riding on Clutch pedal.
  2. Starting the vehicle in 2nd or higher gear.
  1. One rivet head is on the flywheel side and the other on the pressure plate side. This is not as per manufacturers specifications.
  1. It is a normal phenomena that outer area – green of clutch disc will wear more than inner area – red.
  1. Clutch adjusted incorrectly. This allows the release bearing assembly to make contact with the hub.
  1. Clutch adjusted later or incorrectly.
  1. Improper tightening of eye-bolt and adjusting nut while repairing.
  1. Induced clutch slip. Driver foot riding on clutch pedal.
  2. Starting vehicle in 2nd or higher gear.
  3. Heat damage to all mating surfaces.
  4. Incorrect clutch / cylinder setting.
  1. The life of clutch is over.
  1. Release bearing sleeve in contact with the hub since clutch adjusted late or incorrectly.
  1. Mishandling of disc while removing from the vehicle.
  1. Mishandling of disc while removing from the vehicle.
  1. Mis-handling of the product.
  1. Pressure spring missing while repairing or clutch has been opened from vehicle without putting hold down bolts forcing retractor spring to come in between lever and spider.
  1. Driver foot riding on clutch pedal.
  2. Clutch actuation system not set up correctly.
  3. Release bearing operating under constant load.
    1. In normal clutch operation hot spot will appear.
    2. Continuous partial engagement results in slippage causing excessive heat which is abuse.

Checks to be done

  1. Check for smooth engagement and smooth return of clutch pedal (Ensure the presence of pedal return spring, ensure that pedal linkages and bushes are greased).
  2. Check pedal free play (Should be 5 to 10 mm. If not adjust pedal linkages to get required play).
  3. Check full travel of the pedal to the bottom of the floor (There should not be any obstructions).
  4. Start engine and check at what point of pedal travel the clutch is released and engaged (Clutch engagement & dis engagement should take place between ½ to 2/3rd of pedal travel.
  5. Check for the movement of master and slave cylinder (Movement should not be sticky).
  6. Check is bleeding of hydraulic cylinders is done (Bleed the system of pedal is spongy).
  7. Check for the stroke of slave cylinder by depressing clutch pedal fully (Should be min 18 mm at the slave cylinder rod which can be checked with a scale).
  8. Make sure that the clutch setting has been done at prescribed kms (gap between gearbox cover and release bearing assembly should be 19 ~ 22 mm. Adjust to 19.5 mm and check after every 9000 kms).
Ok clutch disc

  • Loose rotating damper springs.
  • Glazed bluish colored lining surface.
  • Uneven contact.
  • Hairline crack between ceramic button.