Clock Repair Archive – –
8 day regula: back to top The 8 day Regula cuckoo bird door will flop open/shut/open/shut/open/shut when the cuckoo is activated if the door is set to open too far and/or there is too much pressure on the door/bird wire caused by this or any other situation that puts too much pressure on the door. It must be free to open and close and not bind at all. Some of these mechanisms have a shutoff cam that has a bushing-like center on it. Do not try to pry to off, it will come apart. Use a small flat punch when the clock is apart. Support the plate with an anvil and carefully punch the shaft out taking care to not damage the end of the shaft .