Home / Forums / Vintage Melodicas / Yamaha Pianica 34, P-34 / Reply To: Yamaha Pianica 34, P-34 Reply To: Yamaha Pianica 34, P-34 September 22, 2015 at 12:28 pm #5978 Shannon MParticipant Alan, I wonder if the caps over the plunger seals unscrew, as on the Clavietta. This should allow changing the seals without completely disassembling the keyboard. From your pictures, I am not sure removing the keys will improve access.