The pedalboard is removable. The pedalboard key sit on backfalls maintained in high position by springs to avoid that the mechanics falls when removing the pedalboard.
These backfalls activate the pedal couplers with wood pins and the pedal windchest pallets with anothers backfalls..

The pivot point for the backfalls





Other view


Pins guide


The front of the backfalls


The springs comb


the pedal coupler roller board


Wooden pins for the pedal coupler


Other view


Under the windchest, we can see the second backfalls connected to a wire that pulls down the front of the pallet.


The pedals for the couplers