I would think that most Vulcan hammers in operation today are held together with cables. For those that aren’t, here is Vulcan’s procedure to set cylinder (above) and base (below) column keys, from 1963.
Setting Column Keys in Cylinder and Base
I would think that most Vulcan hammers in operation today are held together with cables. For those that aren’t, here is Vulcan’s procedure to set cylinder (above) and base (below) column keys, from 1963.
vulcanhammer.info 
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