Terry Sills
Phenomenal Film Handler
Posts: 1423
From: Weymouth,Dorset,England
Registered: Oct 2012
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posted October 03, 2017 10:50 AM
John The speed control is simply a 'wiper' that sweeps across resistance wires. It may be that the wiper is not making contact with the resistance wires at the lower speeds. You will probably need to partly dismantle the projector to get at the wiper so that you can adjust it to make proper contact with the resistance wires.
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