This view shows how the holes form a sort of spiral pattern
For the next stage, the counterweights must be mounted behind the faceplate
The plywood weight carrier can be mounted in several positions
The fixing tabs must be modified, to permit access for turning
Detail of the new fixing tab. It takes both a bolt (for location) and a screw
The blank is again bolted to the faceplate, using the same holes (and shorter bolts)