Bushings

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Clock Keys

• Where can I get the right Mechanical Clock Key?

  Knowledge Base How to get the right mechanical clock key Article sections Mechanical clock keys Mechanical clock keys is the clock part that is most frequently lost. Once the clock key is separated from the clock it always seems to end up missing. With the below information and the clockPopular

• Where can I order a Clock Key?

  We have keys at this link https://www.clockworks.com/product-category/all-clock-parts/clock-keys-and-cranks Here we have clock keys in all the sizes available. We get many calls asking what key their clock takes and over the phone it is difficult to say you need key size this or that. Do not call. Best to read the below text on how to use the clock keys chart and get the correct sized key to wind your clock. Most common sizes are as follows, these are the usual sizes and not always the situatSome readers

• Where can I find a Clock Key Size Chart?

  Knowledge Base Clock key size chart to get the right key Article sections Clock key size chart explanation Clock keys have there own number system from 000 to 16 as seen in the Clock key size chart. However the number does not indicate what size is what number and can be confusing. It would make more sense if the key sizSome readers

• Where can I find a Clock Key Chart?

  Knowledge Base Clock Keys and Cranks Info Tabs Article sections Clock Keys and Cranks- Use our clock key chart to figure out the exact fit for the clock. We offer keys and grandfather clock cranks. Clock KeysFinding the right clock keyDouble End Clock Key (F / S at 12) NoteThe clock key chart Please view these information tabs to help with determining the proper key size for your clock. Mechanical clock keys Mechanical clock keys (/product/brasSome readers

• How do I understand a Clock Key Size Chart?

  Clock keys have there own number system from 000 to 16 as seen in the Clock key size chart. However the number does not indicate what size is what number and can be confusing. It would make more sense if the key size was the MM of how wide the key was to fit, but this is not how it works. This section is to figure out what key number to order so the clock can be wound up. Subsequently, the clock key gets lost the most out of any other clock part. Of course, it can be tricky to find the right keyFew readers

• What is a Double End Clock Key (F / S at 12)?

  Knowledge Base Double End Clock Key (F / S at 12) Note Article sections Double End Clock Key (F / S at 12) Note Some clocks have a small place that looks like a mini clock winding arbor at the 12. It may say F / S or A / R. The F / S this means fast or slow, and the A / R represents advance or retard. This controls the timing of the clock and turning it to fast or advance makes time faster opposite for slow. An ideal double end key (https://www.clFew readers

Hardware

• What Clock Movement Suspension Spring do I need?

  Most common suspension is our letter A. The suspension spring A is the most common suspension spring needed. If working with a floor clock it would be suspension A2 or A3 depending on the pendulum. For a pendulum with a 6 1/2 inch (165mm) or less bob diameter, use suspension A2. If larger, use suspension A3. Suspension A4 is only for huge clocks with tubes hanging off the back of it (tubular bell units) with a very heavy pendulum. https://www.clockworks.com/proPopular

• How to set the Strike on a Mechanical Clock

  Knowledge Base Mechanical Clock Strike Setting Article sections Mechanical Clock Strike Setting Mechanical clock strike setting is not hard. Some simple fixes can correct any problems. This information is for a new unit straight out of the box. Subsequently, for installation into an existing clock case. However it is also practical for other situations where there are strike issues German clocks. The strike issues can be from not striking at all toFew readers

• What are friction fit Clock Inserts?

  Knowledge Base Friction Fit Clock Inserts Article sections Friction Fit Clock Inserts Friction fit clock inserts fit into an existing hole. In other words, drill a hole into any object and just push the clock insert into it. The insert alone will be too loose of a fit so there is a rubber ring on the back side to fill the gap. Sometimes the rings will break or get lost anFew readers

• What are Clicks and Click Springs?

  Knowledge Base Clicks and click springs Article sections Clicks and click springs Mechanical clocks with a ratchet wheel use clicks. This can mean a spring driven clock or a weight driven clock. Clicks keeFew readers

• Where can I get Mechanical Clock Hand Nuts?

  Knowledge Base Mechanical Clock Parts Information Tabs Article sections Mechanical Clock Movement Identification - Rather then repairing it sometimes just makes more sense to replace. Save time and money on repairs. Mechanical Clock Parts InformationAbout mechanical hand nutsAbout clicks and click springs Mechanical clock parts information and important facts to know. Additionally, it is not always easyFew readers

• How do I measure the Hand Shaft on a Clock Movement?

  Need to know the hand shaft length from the front plate of the movement all the way out to the end of the minute hand nut threads. There are things in the way but we need it from the front plate. The movement consists of two plates with the gears in the middle. We need it from the front plate out. This is the shaft that the clock hands go on.Few readers

• How do I install Mechanical Clock Chains?

  Knowledge Base Mechanical Clock Chains Installation Article sections Mechanical Clock Chains Installation Mechanical clock chain Installation is easy. The chains sometimes fall off during shipping, all that is required is to loop them back over there ratchet wheels. Mechanical Clock Chains Installation maybe requiFew readers

Pendulums

• How to assemble a Mechanical Clock Pendulum

  Knowledge Base The Mechanical Clock Pendulum Assembly Article sections The Mechanical Clock Pendulum Assembly The mechanical clock pendulum assembly does not mean just the pendulum (https://www.clockworks.com/product/wood-stick-pendulum-for-hermle-clPopular

• What is a Clock Pendulum Suspension Spring?

  Knowledge Base Clock Pendulum Suspension Spring Information Article sections Clock Pendulum Suspension Spring Naturally, suspension springs do not have to be exact in length. If the clock runs slow, simply raise the pendulum bob with the rating nut (https://www.clockworks.com/product/clock-pendulum-ratiFew readers

• How do I fix the length of a Mechanical Clock Pendulum?

  Knowledge Base The mechanical clock pendulum length Article sections The mechanical clock pendulum length A pendulum clock without a pendulum is a shame for sure. Hence, getting the mechanical clock pendulum length correct does take some diving into the clock world. I there is no idea what pendulum it would take, this is a bFew readers

• How do I measure a Hermle Clock Pendulum?

  Knowledge Base Hermle Clock Pendulum Measuring Article sections Hermle Clock Pendulum Measuring If a Hermle clock doesn't keep proper time, the pendulum may be incorrect. To determine if this is the problem, measure all of the components of the pendulum. Hermle clock pendulum measuring isFew readers

• How do I time a Mechanical Pendulum Clock?

  Knowledge Base Timing a Mechanical Pendulum Clock Article sections Timing a mechanical pendulum clock Timing a mechanical pendulum clock is all about the overall pendulum length. Rarely has anything to do with the movement itself, unless the movement not geared to the proper length from the start. A mechanical clock is easyFew readers

• What are Clock Pendulum Components?

  Knowledge Base Clock Pendulum Components Description Article sections Clock pendulum components description Altogether, this is a description of the clock pendulum parts and components. Please use this as a glossary of the parts to a clock pendulum assembly. Knowing the correct terms for the various pendulum parts is helpful when locating replacements. We are pretty adept at deciphFew readers

• How do I know the length of my Clock Pendulum?

  The pendulum length (cm) will be from the suspension post all the way down to the bottom of the pendulum nut threads. So this pendulum length (cm) includes the pendulum from tip to tip, the leader it hangs on, and the suspension spring the leader hangs on all in one measurement. This pendulum length will not always be exactly what is marked on the movement, There are other factors such as the pendulum bob diameter and how much the bob weighs. If the CM length on the old unit matches the CM lengtFew readers

• What are different Grandfather Clock Pendulum options?

  Knowledge Base Grandfather Clock Pendulum Information Article sections Grandfather Clock Pendulum Information Grandfather clock pendulum information begins with the obvious discussion of length. The length of the pendulum on German units comes in a few CM options. GermFew readers

• How do you measure the Pendulum on German Clocks?

  Knowledge Base Pendulum Measuring on German Clocks Article sections Sequential steps to obtain a pendulum First, know who really made the movement. If the clock was made in Germany post WW2, it will be one of four makers. Hermle, Jauch (httFew readers

• How do I assemble a Stick Pendulum?

  Knowledge Base Clock Pendulum Stick Assembly Article sections Stick pendulum assembly The unstained wooden stick pendulum does not come assembled. This is the case so it can be stained, if so choose, and then put together. It can be left unstained, stained to match the clock case, or painted black. This is the most versatile style of all the pendulum (https://www.cloFew readers

• How do I get an Urgos Lyre Pendulum?

  Knowledge Base Urgos Lyre Pendulum Availability Article sections Urgos Lyre Pendulum Availability Urgos Lyre Pendulum Availability is none at all actually. They have not been made in over 30 years, in fact none of the outer component have been. However there is still a solution and we can provide the lyre pendulum that is custom fit. Custom pendulum work Clockworks (htFew readers

Clock Dials

• What are some different Clock Dials and Numerals?

  Knowledge Base Clock Dials and Numerals Info Article sections Clock Dials and Numerals Clockworks offers a variety of shapes and colors of clock dials and numerals. Of course the dials come in round, square, moon top and more. Many of the round dials have aFew readers

• What is a Clock Bezel?

  Knowledge Base Clock Bezel Description Article sections Clock Bezels Description A clock bezel description consists of the brass part that holds the clock glass in place. It can be confusing to get the bezel and then the flat or convex glass. To buy the clockFew readers

• What are some different styles of Clock Crystals?

  Knowledge Base Clockworks Clock Dial Variations Tabs Article sections The dial to a clock is also sometimes called the face of the clock. It is the part where the numbers are that tell you the time of day. All about clock dialsDials and NumeralsDial DrillingAbout BezelsStyles of DialsClock Crystals Please view these tabs for information on clock dials that Clockworks offers and all the variations available. Clock Dials and Numerals Clockworks ofFew readers

• How do I fix the Strike on a Mechanical Clock?

  This has to do with the mechanical components behind the dial. You would remove the dial and take note of the saw tooth rack, it looks like you could saw something with it. It falls down on a snail looking thing that is on the same tube as the hour hand. This set up is called a rack and snail count system. There are 12 saw looking teeth on the rack, one tooth per hour. As it falls on the graduated portions of the snail, it moves up one notch at a time, each tooth being one strike sound. If therFew readers

• What are some different styles of Clock Dials?

  Knowledge Base Clock Dial Description of Styles Article sections Clock Dial Description of Styles When creating clocks it is a good idea to know all the options for the dial before deciding what clock to build. The dial is both the most important thing and also the most tricky at times when building aFew readers

• How do I drill a Clock Dial?

  Knowledge Base Clock Dial Drilling Description Article sections Clock dial drilling description The following is a description of drilling a clock dial. Clock dials often only have the center hole for the clock hand post to come through. If using a spring (https://wFew readers

• Where can I order a Grandfather Clock Moon Dial?

  Knowledge Base Grandfather Clock Moon Dial Ordering Article sections Grandfather Clock Moon Dial Ordering Read this section before ordering a new moon dial for the grandfather clock. There are specific things to know so as not to purchase the wrong dial for your clock. Not all moon dials fit all clocks. In essence, each onFew readers

• What is the history of Clock Moon Dials?

  Knowledge Base Clock Moon Dial History Article sections Clock Moon Dial History The phase of the moon is still popular on modern mechanical clock movements. It is interesting to know the clock moon dial history as to why and when the it became such a popular feature to add to grandfather clocks. Why it began In the late 1600's traveling (https://www.history.org/history/teaching/enewsletter/apFew readers

• What are different variations of Clock Crystals?

  Knowledge Base Clock Crystals - Glass Variations Article sections Clock Crystals - Glass Variations Let us explore the variety of clock crystals, because the glass does have many variations. The size options are vast, however the shape requirement may not be available in the size that you may need. The first step is to identify if the glass is square, round, oblong or some other odd shape. If the glass is round, you need to determine if it is conveFew readers

400 Day Parts

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Chime Rods

• How do I fix Grandfather Clock Chime issues?

  Knowledge Base Grandfather Clock Chime Issues Article sections Grandfather Clock Chime Issues When a grandfather clock has issues with the chime functioning these are some basic corrections. The chime is the song that plays every 15 minutes and not to be confused with the strike. The strike is what calls out the hours after it is done with the chime song. This section will resolve chime issues that are not the fault of the clock movement (https://Popular

• How do I position my Chime Hammer?

  Knowledge Base Clock Chime Hammer Positioning Article sections Why Chime Hammer Positioning is required Mechanical clock chime hammer positioning is easy to do, and only involves bending the hammer head wires. Upon the initial installation, this was done by the clock maker (https://www.clockworks.com/clock-repair/clockSome readers

• How do I get a Mechanical Clock to chime on time?

  Knowledge Base Mechanical Clock Chime On Time Article sections Mechanical Clock Chime On Time These are the directions to get a German mechanical clock to chime on time. This means having the clock hands point to the right spot when the clock chimes. When replacing a clock movement, or gettinFew readers

• How do I set the Chime Sequence on my clock?

  There are two gears on the back of the back plate of the movement. These gears make the roll pin spin around as the gear train spins. One of these gears has a set screw in it. You may or may not have to loosen this set screw to turn it as you hold the gear train from moving at the same time. You can stop the gear train from moving by just putting a finger to stop the fly on the top from spinning. Note the direction the big gear on the back with the set screw turns when chiming. On the quarter hoFew readers

• What are some different Chime Block styles?

  Knowledge Base Clock Chime Block Styles Article sections Clock Chime Block Styles The first step in purchasing a new chime block is to determine the chime block style that is in the clock. The Styles are side, bottom and back (https://wwFew readers

• Why do the Clock Movement Chimes sound bad?

  The hammers are to be bent approximately 1/8 of an inch from there chime rods. This way they will not thud or double hit. The volume will vary depending on if you have the clock on hardwood or a rug or against the wall or not.Few readers

• How do I fix the Strike Hammers that are stuck in the up position?

  The hammer(s) on this one are controlled by a star cam in the center of the strike gear train. When the gear train runs, the star cam turns, and lifts the hammers by the stainless rod coming going down the back of the movement to the hammers The star cam does turn with some force independent of the gear train. So the solution to this is to remove the movement, put your finger on the top of the gear train or fly / fan, and then use a flat head screwdriver on one of the star cam teeth as to push iFew readers

• Where can I get a complete Chime-Block?

  Knowledge Base Clock chime-block and rods note Article sections Why we offer only the complete chime-block We now only offer the complete clock chime-block and rods . The rods are pressed into the chime-block by machines and it is difficult to get a single rod out. Other times they are threaded into the block but secured so tight you cannot remove them. Trying to do so would result in more rods breaking. Also there are various threads on the rods tFew readers

• How do you make a German Mechanical Movement chime on time?

  Take the minute hand off of the clock, this is the longer of the two hands. With this minute hand off of the clock, turn it upside down, you will see it has a square hole where it attaches to the clock. Well this square hole is in a bushing that will rotate WITHIN the minute hand itself. So just use needle nose pliers to turn this bushing so the square in the bushing will rotate. Then put the hand back on the clock and see if its pointing to the correct place where it chimed. Then set to time.Few readers

Cuckoo Parts

• How do I replace Cuckoo Bellow Tops?

  Knowledge Base Replacing Cuckoo Bellow Tops Article sections Disconnecting the bellows The lift wires travel from the movement up to the flaps of the old bellow tops. Furthermore, these wires are taken off in order to remove the cuckoo bellows (https://Few readers

Weight Parts

This section contains no articles.

Weights

• How do I fix Grandfather Clock Weights that are stuck?

  Knowledge Base Grandfather Clock Weights Stuck Article sections Grandfather Clock Weights Stuck The Grandfather clock weights can get stuck in the high position if over wound. Some larger clocks have over wind protection to prevent this. The grandmother and grandfather chain drive units often do not have thisPopular

• What are Grandfather Clock Weights?

  Knowledge Base Grandfather Clock Weights Description Article sections Grandfather Clock Weights Description The Grandfather Clock Weights Description on this web page will cover what is meant by weights and their parts. Any part of the weight is available on its own. We also offer complete weights. If needing a complete clock weight, we need to determine what the apFew readers

• How do I install Mechanical Clock Weight?

  Knowledge Base Mechanical Clock Weight Installation Article sections Mechanical Clock Weight Installation The weights may or may not all weigh the same however they usually do not. It is needed to know what weights goes on what chain or cable for most floor clocFew readers

Mainsprings

• How do I remove a Clock Mainspring Barrel?

  Knowledge Base Removing a clock mainspring barrel Article sections Removing a clock mainspring barrel Often a clock mainspring barrel can be removed without disassembling the clock movements outer plates. The mainspring will alsFew readers

• How does a Loop-End Clock Mainspring break?

  Knowledge Base Mechanical Clock Mainspring Ordering Tabs Article sections Loop End Clock Mainspring - Used on Antique spring driven clocks. These have a loop on the end to wrap around the movements plate arbor. - Clockworks Loop-End MainspringDescriptionDamage AssessmentMeasuring the Mainspring Please view these information tabs to help get Clock Loop-End Mainspring Replacements Loop-End Clock Mainspring Description The Loop-End clock mainsprinFew readers

• What can happen when a Clock Mainspring breaks?

  Knowledge Base Clock Mainspring Break Damage Article sections Clock Mainspring Break - Damage Assessment When a mainspring breaks within a clock movement, it could cause damage. The damage could be within the movement itself or to the clock case. It is uncommon but sometimes even the sides of the wood case get damaged when a mainspring breaks. The German movement As for the movement itself, we need to check the gear teeth and the gear arbors.Few readers

• How to identify Hermle Mainspring Barrel numbers.

  Knowledge Base Hermle mainspring barrel numbers Article sections Hermle mainspring barrel numbers Clockworks Helpdesk Mainspring barrel number to size spring Hermle mainspring barrel numbers Hermle mainspring barrels have numbers on the barrel caps and thFew readers

• What are Hole End Mainsprings?

  Knowledge Base Measuring Hole End Mainsprings Article sections About Hole End Mainsprings The type of springs that are wound in a brass barrel enclosure is known as a Hole End Mainspring. Measure the Hole End Mainspring (https://www.clockworks.com/clock-parts/clock-movement-hole-end-mainsprings.htmFew readers

• How do I measure a Loop-End Clock Mainspring?

  Knowledge Base Clock Loop-End Mainspring Measuring Article sections Clock Loop-End Mainspring Measuring Loop end mainsprings are measured by width, thickness, and length. These are not always easy measurements to get, and the mainspring would need to be removed from the clock. It can be a frustrating puzzle to do, and a dangerous one also. But if your learning clFew readers

• Where can I replace a Hole-End Clock Mainspring?

  Knowledge Base Hole-End Clock Mainspring Replacement Service Article sections Hole-End Clock Mainspring replacement service For a hole-end clock mainspring replacement, send clockworks the clock barrel and we will swap out the mainspring. Leave the Hole-End clock mainFew readers

• What happens when a Clock Mainspring breaks?

  Knowledge Base Clock Mainspring Damage Article sections Clock Mainspring Damage When a clock mainspring breaks the impact can cause damage to the movement. Damage would be within the parts of the gear train itself. It is possible that the pivots that go into the outer plates or the arbors have bent. Best to check the clock movement's condition before ordering a clocFew readers

• What is a Loop-End Clock Mainspring?

  Knowledge Base Loop-End Clock Mainspring Description Article sections Loop-End Clock Mainspring Description The Loop-End clock mainspring description is a long flat spring with a loop on one end. This loop gets wrapped around the outer plate pillar of the movement. In other words, this is the type of mainspring that can be seen. It is not contained in a barrel. LiFew readers

Pendulum Parts

• How do I replace a Clock Pendulum Leader?

  Knowledge Base Clock Pendulum Leader Information Article sections Clock Pendulum Leaders Mechanical pendulum clock leaders for post 1950 movements. These leader will fit clock movements made in Germany after WW2. The first step to replace a lost leader (https://www.clockworks.com/product/cSome readers

• Where can I get replacement Pendulum parts?

  Knowledge Base Replacing Lost Pendulum Parts Article sections Replacing Lost Pendulum Parts By and large, replacing a lost pendulum part from its assembly is a process. It is more complicated than just matching up the broken pendulum part. Certainly, narrowing it down requires a different method than just observatiFew readers

• Where can I get Clock Pendulum Top Hooks?

  Knowledge Base Clock Pendulum Top Hooks Info Article sections Clock Pendulum Top Hooks Mechanical clock pendulum top hooks replace broken top hooks or to build a new pendulum. This is a nice alternative to replacing an entire clock pendulum (httpsFew readers

• How to install Suspension Springs

  Knowledge Base Article sections How to Install Suspension Springs alarm About 2 Minutes A quick and easy how to article on installing clock suspension springs. Clock Suspension Spring Installation Last Updated: 2 months ago in Related ArticlesFew readers

Clock Hands

• How to install Cuckoo Clock Hands

  Knowledge Base How to install Cuckoo Clock Hands Article sections Installing cuckoo clock hands Installing the cuckoo clock hands bought from clockworks.com starts with removing the old hands. Removing the old cuckoo hands To remove the cuckoo hands you will only need a pair of needle nose pliers (hSome readers

• Where can I order Mechanical Clock Hands?

  Knowledge Base Ordering Mechanical Clock Hands Article sections Mechanical Clock Hands The German mechanical clock hands are sold by the time track diameter. When ordering these mechanical clock hands, this measurement is important. To clarify, the dial diameter is the measurement ofFew readers

• Where can I get Mechanical Clock Hands?

  Knowledge Base About Mechanical Clock Hands Article sections Hands For Mechanical Clocks The Mechanical Clock hands in the list below are sold by dial diameter size. Alternately, this is not the same method as a clock that operates on a battery. Instead, determine the hands for mechanical clocks (https:Few readers

• How do I remove Mechanical Clock Hands?

  Knowledge Base Removing the Mechanical Clock Hands Article sections Removing Mechanical Clock Hands Removing Mechanical Clock Hands is fast and easy to do. The following are hand removal instructions for German mechanical movements post WW2. German Post WW2 wall, mantle and floor models Removing mechanical clock hands for post WW2, manFew readers

• How to install German Mechanical Clock Hands

  Knowledge Base German Mechanical clock hands Installation Article sections German Mechanical Clock Hands Installation German Mechanical clock hands Installation is easy and fast. Germans used bushings in both the hour and minute hands. Where as the American units have the buFew readers

• How do I install German Mechanical Clock Hands

  Knowledge Base German Mechanical Clock Hand Installation Article sections German Mechanical Clock Hand Installation The installation of the clock hands on a German mechanical movement is reverse of removal. If either the movement was replaced, or the hands are new, the minute hand must be adjusted. This is so it will point to thFew readers

• What are High Torque Hands?

  Knowledge Base High Torque Hand Information Tabs Article sections Super Torque Clock Hands - "I" Shaft quartz clock hands for High Torque battery operated quartz clock movements. - Clockworks High Torque HandsDescriptionHand InstallationHardware NotesTrouble Shooting High Torque Hand Information Use High Torque Clock Hands on larger clock dial diameters. Subsequently, these hands require a high torque clock movement (https://www.clockworks.com/cFew readers

• What are High-Torque Clock Hands?

  Knowledge Base About High-Torque Clock Hands Article sections About High-Torque clock hands High-Torque clock hands are any minute hand over 5 inches. Of course, they need a strong battery movement known as High Torque. To get the correct size, measure the minute hand only, from the center of the mounting hole to the tip. You will receive one set of hands, minute and hour, from that one measurement. The hands we sell are known as the USA standard “Few readers