Rexman Bull Gear locking pin
Does anyone know what the original retaining set-up was for a Rexman Bull Gear locking pin?
This is an earlier, relatively small flat-belt model.
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I am helping a friend get one back into service and this (whatever it was) is missing. The screw to the left of the pin in the following photo has a cross-hole drilled in the head and that indicates perhaps some sort of spring. However, the pin itself has no grooves to locate it halfway out and can be pulled out completely so was it intended to be removed completely for back-gear operation and have something that folded over the back of the pin in normal operation?
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Any insight gratefully received.
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