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I suspect that these are the original sheet winches and they still work very well. Starboard side has a little problem which might well be cured by a bit of maintenance, but when you strip it down...
...this is as far as one gets. Usually there is a socket or a machine screw or something at the bottom of the socket, the removal of which allows the whole thing to be carefully dismantled.
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If you know the secret to a Gibb 28STA, please, post comment and let us know ?
