How To Fix An Overwound Cuckoo Clock
If the cuckoo chimes the right number of hours but at the wrong time the minute hand is out of position.
How to fix an overwound cuckoo clock. 2 dip a 12mm paintbrush in rubbing alcohol and slowly brush it over the pinion teeth and pivots. How to unwind an overwound clock. How do we fix it. Unwind the carriage clock in half turns and release apply the ratchet between the turns so that the spring pressure is always managed by either your fingers with a firm hold on the key or by the ratchet being allowed to stop the backward movement.
Some clocks will run faster if they are wound too tightly in the first 24 hours after you ve tightened the mainspring. Carefully replace the housing into the body of the clock closing the back and reattaching the hands to the face. Hand loosen the nut holding the hands onto the shaft and move the minute hand to the 12. Apply new clock oil to the gears one drop at a time so as not to over lubricate any areas.
If you release the key while the ratchet is off the clock may slip its mainspring. Remove the back of the clock with a small screwdriver like those designed for eyeglass repairs if needed. Look at the sprocket wheel of the cuckoo clock and adjust the chains so they dangle around the wheel. We have special tools and equipment here in our repair shop for handling all sizes of mainsprings.
The pendulum wire is in the long hole on the bottom of the body of the cuckoo clock if the cuckoo clock is tilting to far left to get an even heartbeat bend the pendulum wire slightly to the left and straighten the cuckoo clock on the wall. The more you take the time to wind the more wear you are putting your clock through. Turn the cuckoo clock over and remove the back of the clock. You can try using a wide screwdriver to bend the pendulum wire slightly to the the right or left.
Apply a small drop of oil on the nut holding the hands to keep them from sticking.