Home / Forums / Melodica construction, repair and maintenance / My Hohner HM 36 Issues.. / Reply To: My Hohner HM 36 Issues.. Reply To: My Hohner HM 36 Issues.. January 17, 2014 at 5:03 am #1546 KevinParticipant Hi Steve, I’m afraid I can’t give much technical advice but only moral support. I haven’t figured out a way to remove the keyboard without potential damage? I’m going to take another look inside mine this weekend.