Re: Wearite motor hums
Your first comment refers to the action of the screw driver which in essence is acting as a wedge. I used to work for GEC M/Cs (many moon's ago) and the fitter's were forever making wedges and hammering them in to stop the associated problems.
I would do this using home made wedges out of wood or plastic and then varnish as per Boater Sam recommendations.
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