Super 7B clutch & serial number

Super 7B clutch & serial number

Home Forums Beginners questions Super 7B clutch & serial number

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  • #7390
    richard 2
    Participant
      @richard2

      How to adjust and cannot find!!

      #171308
      richard 2
      Participant
        @richard2

        Hi all,

        The clutch on my S7 is either engaged or not. I cannot get a gentle pick-up and I am scared to start undoing things to adjust it without serious advice.

        Also – I cannot find a serial number either on the front or rear of bed as the handbook indicates.

        Also the countershaft is still not free like the mandrel.

        Any comments and help would be much appreciated.

        Richard.

        #171502
        Brian Wood
        Participant
          @brianwood45127

          Hello Richard,

          I have an ML7R which has the S7 headstock configuration, it is fitted with the cone clutch .

          I didn.t fully understand your description of the clutch problem but I have taken it be snatching on take up. Try a drop or two of oil introduced into the clutch cone, I had similar trouble accompanied by shuddering and squeal, all of which has gone away to be replaced by a smooth progressive take up of power, if fact it is a joy to use.

          The lathe serial number should be stamped on the side face of the front shear just after the gap.

          Please give more information regarding the countershaft, it could be lack of sufficient end float, dry bearing bushes or something else entirely

          I hope I have helped

          Brian

          Edited By Brian Wood on 04/12/2014 14:46:50

          #171508
          IanT
          Participant
            @iant

            Hi Richard – there are basically two clutch types on the Super 7 and if you can give us a clue as to which you might have then it would obviously help.

            On older machines the serial number is on the rear shear (at the tailstock end) but later ones had it on the front of the bed at the left end of the rack. If you can find the serial number – we can identify the clutch type – the new cone clutch was fitted from SK8128.

            If you still cannot find the serial No – there are other simple indicators of your lathes age – like how is the front bearing oiled? Do you (for instance) have a little window on the front of the headstock through which you can see the oil dripping?

            Regards,

            IanT

            #171593
            richard 2
            Participant
              @richard2

              Many thanks for your replies Brian and IanT.

              I am currently thinking of replacing the headstock with the new

              big-bore headstock from Myford.

              Am going to the w/s a little later to endeavour to find the serial number.

              The front bearing is oiled through an oil cup which I see feeds through

              a wick.

              Will send more info when I have been into the w/s and got these old

              eyes working!

              Have emailed Darren (ex Myford fitter) to see if he would come down

              and fit the new h/stock for me as I am now a little too old (82) to start

              pulling the S7 to pieces.

              Richard.

              #171595
              Brian Wood
              Participant
                @brianwood45127

                Hello Richard,

                If you do go ahead with the swap you are planning, would you be willing to sell the old headstock on?

                I for one would be interested

                The serial number is where Ian said it is, just below the front shear and on the left [gap side] of the rack. To spot it you need to have a view under the lip of the shear.

                Kind regards

                Brian

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