Please view these information tabs to learn more about replacing a cuckoo clock movement.
Why a new cuckoo movement
A new cuckoo clock movement will be a fraction of the price of an overhaul on the old one. Why have an old cuckoo clock movement serviced when the new one is the same unit for less? Even the best clock maker cant make a cuckoo movement better than a new one that would be impossible.
How the cuckoo movements come
A new cuckoo clock movement is factory lubricated and tested. The movement is still being made so the cost is less and availability is high. How long will the new one last? Well think about how long the old one lasted. Was it 20 or 30 years? Well it would make sense the new one would last that much longer. The movement comes with the chains, the hooks and rings for the chains and the hand hardware. A cuckoo clock movement repair will not last like a new movement would, and it is more expensive to have it repaired than just getting a new one.
To attempt to repair this is very time consuming and therefore costly. In addition to this, the entire clock has to be shipped and the case usually incurs extensive damage as it makes it's travels. This is the reason we no longer accept cuckoo clocks for repair.
The new one is less cost and lasts longer both so the replace choice is a pretty easy decision to make. The cuckoo clock is up and running quickly instead of slow. Now that is not to say they are easy to put in, sometimes they can drive someone crazy. If cuckoo has multiple functions it will be more challenging. Things like music and water wheels and people dancing. These do not come with instructions as there are so many variations we have cant cover all the cuckoos. Its best to just look in the back of the clock and see for your self what needs to be done. This way you can judge yourself if its something you would like to try to swap out. If it all goes south we can bail you out here for a fee if you choose to send it in.
Ordering The Cuckoo Movement
Offering post WW2 German made cuckoo clock movements only, prior to this would be considered antique. Antique cuckoo clocks made during and before the second war have movements that are no longer made. The only thing to do is get the movement overhauled by href="/clock-repair/mechanical-clock-movement-restoration.html">a clock maker. As for the post 1950 clocks, the Regula company of Germany produced way more cuckoo clock movements than anyone else in history. So the movements offered and the information provided is with the Regula cuckoo clock movements as center focus.
The back plate of the cuckoo clock movements will be some numbers stamped in the brass. Regula puts there mark above and slightly to the right of the wheel that lifts the bellow wires. It will be stamped 25L or 34XL or 72 and the similar, with 25 being the most common unit made. The Regula 25 is about 75% of the post war cuckoo clock movements in the world. It is the very popular two weight movement that runs for one day per wind up.
How many weights
Regula 25 indicates a two weight movement that runs one day per wind. A two weight movement maybe installed on a clock with three weights on it. If you look in the back sometimes there maybe three weights on the clock, but only two will go into the movement. The other weight drives the music or a dancer platform up on the top. But even if there is three weights on the clock, it would take only a two weight movement usually. It is best to check to see how many weights are used on the movement itself when working with a three weight clock.
Dancing People Platform
You may or may not have dancers on a spinning platform up on top of the movement. We need to figure out if the dancer platform is separate or part of the clock movement. The ones that are attached to the movement will come out with the movement, and need to order one with the dancer platform installed. The dancers are only press fit onto the platform unless someone glued them on over the years. Just twist and pull at the same time in the up direction with your fingers. If they break we sell them if they are the common dancing people and not a special design. To get the new movement with the dancer platform it will ask you for the dancer height. This is measured from the top of the movement to the top of the platform where the dancers feet were.
Measuring the pendulum drop
The measurement from the suspension post down to the center of the pendulum leaf is called a drop. The pendulum drop is the measurement from the top of the clock movement to the center of the pendulum leaf. This measurement is very approximate and it does not have to be exact. The pendulum leaf can slide up or down but we want the measurement to the center where it used to keep approximate time. If the clocks time should be faster just slide the leaf up more on its pendulum stick. The opposite way of course for slowing it down.
Ordering The Cuckoo Movement
We have the numbers from the back of the movement. We know how many weights are on the cuckoo clock. If there is a dancer table or not, and if so what the height is. Now it is time to look for our clock movement on the web page.
The point of no return
It is not uncommon for a customer to order a cuckoo clock movement and insist the movement is not working. We cant take them back because they customized to fit the customers clock. Of course there is no way to fix it up like new again and resell it. We end up being out of the cost for the movement and shipping. We no longer take returns on these movements, cuckoo clock movement installation is done at your own risk. These units are tested and brand new, they work perfect and will for you also it they are put in right.
Cuckoo Clock Movement Installation
There is alot going on in a tight area with cuckoo clocks. It takes some patience sometimes to get these right. The thing with cuckoo clocks is the more stuff going on, the harder it is to swap the cuckoo clock movement. Things like dancers, wood chopper, bell ringers, water wheels and the sort can complicate things.
Cuckoo Clock Movement Installation
- Take off the hands, unhook the bird off of the door and remove the hooks and rings from the chains, then flip the clock over.
- Take the back off and undo the bellow wires off of their lifters. This is done by opening the loop that lifts the bellow wires up and down. Open the loop with a small flat screwdriver by twisting it so it will open.
- Next, take out the bellows by unscrewing the screw on the outside of the side of the cuckoo clock case. The bellows will now come out and you can take the four screws out that hold the cuckoo clock movement in.
- When you receive your new cuckoo clock movement, the arm that the bird sits on will have to be bent and cut to size. Then you can take the bird off of the old cuckoo clock movement. This is done by loosening the birds set screw and put it on the new unit.
- Installation is then the reverse of what you did to remove the movement.
Bending the bird arm into position
The cuckoo movements have a bird arm that needs adjusting. This is the bar or wire that the bird sits on and secured with a set screw. It comes way to long and must be shortened and then bent. After cutting to size it must be bent into a 90 degree angle. This bend must be done right the first time or its difficult to correct. The correct way to do adjust this bird arm wire is as follows.
- Measure the complete bird arm wire on the old unit, including the right angled section.
- Cut the new units bird wire to the same size.
Matching the bird arm with the old movement
Take note of your old unit if the arm is forward or back, you want the arm forward on the old and the new. This is to avoid an improper 90 degree bend. A proper bend will be when both movements are set the same with the bird arm. They are both set so the bird coming out with the arm forward to the front of the movement. Both units set the same way so the bird is forward, then make the bend nice and straight. Otherwise it will be hard to correct as one 90 degree will not be in forward when the other one is, and will result in having to correct. How you put the arm forward is to make the clock in strike mode. Or you could say cuckoo mode, when the bird is forward toward the front.
Measure where the bend is on the old movement and then go ahead and bend the new units bird arm to a right angle. At the same location as the old one (where the arm is even with the front of the movement, not back)
New cuckoo clock movement not striking
When the new cuckoo clock movement will not go into striking mode for the hours. The bird will not come out and the clock will not indicate what time it is with the cuckoo call. Here are some guidelines on what to check in this situation.
See if the cuckoo door is latched shut
There is a wire above the cuckoo door that locks it into the closed position. This is for either shipping the clock and also for chime shut off. It is a small wire that stops the door and just gets turned to either in the way or out of the way of the door. Be sure it is out of the way so the door can open and it can cuckoo.
Check the silence lever
There may be a silence lever if the cuckoo movement has one. This would be located on the side of the cuckoo clock movement and stick outside of the clock case. Push it down for cuckoo on and up for cuckoo shut off usually. Just move it to the opposite direction and see if the clock will strike out the cuckoo calls. If the movement has a silence switch that does not stick outside of the case it may still be on the movement itself. Just look at the back of the clock with the back panel off and you may see the silence switch. You will see a lever on your right as you face the back of the movement on the top side. Not all cuckoos have this feature as the manufacturer will assume you will silence the cuckoo just by locking the bird door.
Clock chain resistance
Be sure nothing is in the way of the chain that drives the striking side of the cuckoo clock. One weight controls the time and the other the strike. If the chain is rubbing anything like the hole in the bottom of the cuckoo case it will be just like not having enough weight to make it run. The chain that holds the weight should be straight from the ratchet wheel and down without rubbing anything. Also the side of the chain that there is no weight attached to cant be caught up on anything also. This is the side that you pull to raise the weight on the other side of the chain loop.
Bellow lift wires in the way
On a new movement install it is required to bend the lift wires so they do not get caught up on each other. During the travel up to lift the bellows they could be hitting each other and creating resistance. These just get bent this way or that way so they can go up and down with the bellow tops. If the bellow top is broken or ripped it can cause this to happen also.
Bird arm position
The arm that the bird rests on could be bent in a way that it is trying to go forward too much. Therefore it hits the front of the clock case instead of in a position where it just opens the door. The intent is for it to open the cuckoo door only and not hit the front of the clock case. It will only cuckoo if the bird arm is able to be all the way forward with no resistance.
Cuckoo door opening wire
If this wire is too long it will try to open the door too much. With the door open too much it will not be able to start the cuckoo strike. The solution is to make the door wire shorter or put a bend in it. Putting a bend in this wire so its sort of a hump instead of straight will be the same thing as making it shorter.
Cuckoo Clock Not Striking Conclusion
If the cuckoo will not go into striking mode is caused by resistance. There is only like 4 or 5 gears that have to spin around to make the clock cuckoo. If there is any resistance for this to happen it will not function. These 4 -5 gears need to spin to have the bellows lift and open the cuckoo door at the same time. There is much action that is dictated by these few gears spinning, any resistance in any part will stop it from working.
Regula Cuckoo Movement Identification
Most cuckoo clocks made after 1950 have movements that are made by the Regula cuckoo clock movement company. If you have a cuckoo made after this time it would be about 80% chance. The identification will reveal it being made by the Regula cuckoo clock movement company most of the time. But let us be certain with these methods of identification.
Two train or three train movements
If the clock has two weights running the movement we can find out quick if its made by Regula. When we say two weights, we mean on the movement only. There maybe three weights on the clock, but only two weights are on the movement itself. In other words there are three train movements that take three weights, this is correct. However we are talking about two weights on the movement regardless if the clock has three weights on it. One could be for the music box that is separate from the movement itself. If the movement itself takes two weights, we call this a two train movement. This is because the movement has two sides of gears from big to little inside the plates. One for cuckoo and one for the time. If the clock movement itself takes three weights this of course is a three train movement.
Two train, two weight Regula Identification
See if your cuckoo movement says 25 or 34 on it above the spiked wheel that makes the bellows go up and down. Above this wheel and to the right alittle, these numbers will be stamped in the brass. It may have more numbers or letters after the 25 or 34 but don't pay attention to anything but the a href="/product/regula-25-cuckoo-movement">25 or 34 for now. If you have a href="/product/regula-25-cuckoo-movement">25 or 34 on the back, your in the right section and your clock is made by Regula. 25 means it is a one day clock that takes two weights. 34 means it is an eight day clock movement that runs on two weights.
These are the very most two common cuckoo clock movements made in the world. The 25 or 34 identification stamp alone means it was made by the Regula factory of Germany.
The two styles of the two weight movements
The two train, two weight movements come in two styles. One with a dancer platform and one without the dancer platform. Keep in mind just because you have dancers on your cuckoo clock, this does not mean it is attached. You can have a two weight cuckoo clock with dancers, but the dancers are not attached to the movement itself. This is an important distinction when ordering a new cuckoo clock movement.
The two weight cuckoo movements with the dancer platform attached comes exactly this way, with the platform. The platform come in a few heights above the clock movement, so this will be measured if getting a new one. The dancer platform height is the distance from the top of the movement to the platform base itself.
The clock may still say 25 on it for one day and 34 for eight day. However with these same identification marks they have either the platform or no platform. These same numbers maybe on the movement regardless if there are dancers or not.
- Figure out if you have a 2 or 3 train movement
- Determine if you have a dancer platform, and if so if it is attached to the movement
- Look for identification markings on the back plate of the brass for a number 25 or 34
- Order the dancer Regula or non dancer Regula 25 one day or 34 eight day movement
- 2.54 CM = 1 inch
- 25.4 MM = 1 inch
- 19.5cm = 7 3/4"
- 23.5cm = 9 1/4"
- 28.5cm = 10 1/2"
- 40.05cm = 15 3/4"
Cuckoo Movements are not always easy to install. No returns on these.
Made by Regula
1 Day (Regula 25)Most popular one day weight driven cuckoo clock movement. Comes with chains, hooks and rings. This movement uses two weights at 5/8 LBS (275 Grams) each (not included). The pendulum is the smaller one day size. The drop is the measurement from the suspension post (top of the movement) down to the center of the pendulum leaf where the clock keeps approximate time.
8 Day (Regula 34)Most used 8 day weight driven cuckoo clock movement in the world. Comes with chains, hooks and rings. This movement uses two weights at 3 1/4 LBS (1500 Grams) each (not included). The pendulum is the larger 8 day size. The drop is the measurement from the suspension post down to the center of the pendulum leaf where the clock keeps approximate time.
1 Day Dancer 25Offering the most used one day dancer cuckoo clock movement in existence. The Regula dancing series. This is a two weight movement that takes 2 of 275 gram cuckoo pine cone weights. The movement does not come with chains or hooks and rings, these things are offered separately. So there you have it, a brand new cuckoo clock movement for less cost than even just a cleaning and oiling of the old one. The movement comes oiled, tested, and with a 3 year warranty.
8 Day Dancer 34Offering the most used 8 day dancer cuckoo clock movement in existence. The Regula dancing series. This is a two weight movement that takes 2 of 1250 or 1500 gram cuckoo pine cone weights. The movement does not come with chains or hooks and rings, these things are offered separately. So there you have it, a brand new cuckoo clock movement for less cost than even just a cleaning and oiling of the old one. The movement comes oiled, tested, and with a 3 year warranty.
Cuckoo Clock Parts & More
Showing 1–16 of 72 results
Cuckoo Clock Hands
Cuckoo white celluloid hands. This is for the modern style cuckoo clocks, post 1950 or so, that have the round hole in the minute hand for the bushing (bushing not included with hands). Although these come in a p ...
Cuckoo Clock Bellow Tops
Bellow Tops Bellow tops are the most frequently needed item on a cuckoo clock. These tops come as a pair and get epoxied on the old bottoms just as the old tops were taken off, see the Cuckoo Clock Parts help sec ...
Cuckoo Clock Hand Nuts
Cuckoo Clock Hand Nuts 12 pack of assorted hand nuts for the front of a cuckoo clock. These hand nuts secure the hands onto the front of the clock face. Often it is hard to figure out which one you need, this 12 pack in ...
Clock Chain by Movement Maker
Clock chain by movement maker. The chain is sold by LPF. Take a section of your old chain and count the links so it matches the LPF (links per foot) that are on the drop down menu below. Most one day cuckoo clocks take 6 ...
Cuckoo Clock Weight
Cuckoo Weight One day cuckoo clocks usually take the same amount of weight on each chain. So if your missing a weight or two, just look and the number stamped into your old weight and get this same gram amount fr ...
Cuckoo Hook and Ring for Chain
The hook goes on one end of the chain to hold the weight up in the air. The ring goes on the other side of the same chain so the chain will not travel into the movement and jam up the clock if the clock was not wound ...
Cuckoo Clock Wire Assortment
Wire Assortment Includes bellow lifting wires in various lengths, eye hole wires, cuckoo bird door wires and the bird to door wire. These are the proper lengths and bends that are the most commonly needed in a c ...
Cuckoo Hand Bushing
Minute hand bushings that fit the style cuckoo hands that have a round hole in the minute hand. These are sold in a six pack of the same size or a single bushing can be purchased. The hands are installed in this orde ...
Cuckoo Clock Maple Pendulum
Maple Pendulum Maple leaf cuckoo clock pendulums for either one day or eight day clocks. The sizes listed are the size of the maple leaf on the pendulum stick, the stick itself is 7 inches long. The leaf ...
Cuckoo Clock Chain
Replacement Chain These chains are sold in single 6FT lengths and come in various links per foot (LPF). There are two ways of determining the correct chain, you can count the LPF in the existing chain your trying ...
Cuckoo Bellow Top Epoxy
Cuckoo Epoxy The cuckoo epoxy for bellow top replacement, attaching numerals, or repairing broken wood. ...
Oiler & Oil
Precision pen oiler that is filled with cuckoo clock oil. The applicator makes it easy to oil hard to reach pivot holes. ...
Cuckoo Deer Antlers
Deer Antlers Cuckoo Clock Parts antlers made of sturdy plastic with a wooden look. These plastic antlers will not break as easy as the old wooden antlers. The size listed is the approximate length from the mounting ...
Cuckoo Clock Numeral Set
Cuckoo Numerals Celluloid plastic numerals than can be epoxied to the cuckoo dial to replace missing numerals. Comes as one set of Roman numerals from one to twelve. The numerals are measured from top to b ...
Clock 500pc Wood Screw Assortment
500pc Wood Screw Ast A very large assortment of smaller sized wood screws all brass tone for case work or movement mounting. This is the best assortment for mounting mantle or cuckoo clock sized clock movements. ...
Side Opening Clock Bellows with Tubes
Side Opening Bellows Bellow top flaps will open the along side of the clock case toward the front of the clock. Sold as a pair. Bellow tops are 2 1/4 x 1 1/4 pre-attached to the tubes. Size is the length of the tub ...