Figured out how to mount the operator switches, at least until I find something better. Attached the switches to a block of wood, attached the block of wood to a simple corner bracket form Home Depot, attached the corner bracket to the floor of the cabinet.
Extremely krufty, but it’ll do for the time being. The beauty of it is I was able to use one of the two T-Nuts in the front of the floor of the cabinet (presumably for screwing down the coin box) to mount the thing, so I didn’t need to make any additional holes in the cabinet.
I also finished cleaning the playfield with Millwax. While I was at Home Depot I bought a box of vinyl gloves. Much easier on the hands when working with cleaners.