Sustain Pedal Repair

Finally sat down to diagnose why the sustain pedal would just barely engage under vacuum. The manual control is mechanical, unlike the vacuum button on the Kimball, but a leak was causing the pedal bellows to slightly engage under any vacuum. I disconnected the mechanical link from the bellows, allowing manual sustain still, but knocking all the boomy ringing I’ve been chasing down when the player is in use.

Here is a brief before and after comparison.

Видео Sustain Pedal Repair канала Anthony Merrick