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Clutch Release Bearing

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    #16
    there used to be 2 main clutch supplies back in the days I was laying under gearboxes, borg and beck or quint and Hazel. one had flat fingers on the cover the other curved, whatever shape the fingers were you needed the opposite shape release bearing for smooth operation

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      #17
      It is a Quinton Hazel I have (curved fingers). I had no issue with the smoothness of operation, even when it was squealing.

      It was just a poorly lubricated bearing.

      Neil.

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        #18
        Well, I have changed the release bearing and the cover.
        (2 hours to replace including dropping off the axle stands & tidying up).

        It seemed that Taiwanese 'Powertune' bearing had worn the cover fingers quite badly in 2.3k miles,
        so changed if for one from Robsport (came next day - well under 24 hours), the bearing also arrived today,
        again from Robsport.
        This time it's a Japanese, made in Japan, Koyo RCT52S (Toyota Landcruiser).
        The profile is better than the Japanese NTN which gave me the really heavy pedal, but still not the same as
        the RHP as the contact point is slightly further further out - probably 3-4mm.

        End result is pedal is heavier than before but nothing like as heavy as the NTN was, I shall put up with it now.
        Most of all - IT'S QUIET ! and smooth in operation.

        So, maybe I was unlucky with the Powertune bearing, I dunno, but I will never fit one of those again.

        Neil.

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          #19
          Hi Neil. What's your secret to doing all that work two hours? Can u make a YouTube video next time?

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            #20
            No secret, just plenty of practice doing that sort of thing over the last 50 years.

            Pre made a cradle that sat on the trolley jack to hold the box at the correct angle.
            Saves a lot of time and messing around. I also have 2 inch 3/8 studs permanently fixed in those two locater holes
            in the adapter plate. Gearbox can't fail to go on in correct position.

            Neil.
            Last edited by NeilR; 11 February 2021, 17:56.

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              #21
              Originally posted by NeilR View Post
              No secret, just plenty of practice doing that sort of thing over the last 50 years.

              Pre made a cradle that sat on the trolley jack to hold the box at the correct angle.
              Saves a lot of time and messing around. I also have 2 inch 3/8 studs in those two locater holes.
              Gearbox can't fail to go on in correct position.

              Neil.
              Please share a photo of the cradle.

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                #22
                Too late, I dismantled it this morning.
                It was just made from scrap pieces of Dexion Racking & M8 threaded rod, nothing special at all.

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