synchron clock motor repairsynchron clock motor repair

The movement of the internal parts will hopefully encourage chemical distribution and shake upas much of the remaining old oil as possible. BRAND NEW SYNCHRON K12RA 1 RPM ELECTRIC MOTOR - clock repair parts traffic. In the picture shown above, youll see 110V defining the motor voltage, then 60Hz for the cycles per second. Time Clock Parts and Accessories from Compumatic Time Recorders 516-486 First, note that we do not refurbish movements since that term refers to renovation, not restoration. THE BEST 10 Clock Repair in Chicago, IL - Yelp DOES NOT HAVE AN EXTERNAL BELT DRIVEN ALTERNATOR. Putting the back (small part, turret) of the rotor there allows me to apply a lower voltage and save energy. Hello, That looks like the motor I need. Yes, we can also open and service M5 rotors, rebush the plates, restore worn arbors, reassemble, oil, and seal them back up again. Site Developed by. Seventy to 80 years later, this oil is long gone and the bearings worn. Shop Online . If we are presented with a relatively un-worn, newer (less than 10 year old) movement, things may be different. We have all the correct material available to you for a very reasonable charge. Radwell sources these products direct from the Manufacturer; The products are Factory New in Box products; Radwell's QA department recommends this product due to its superior quality and product offering; Radwell provides engineering services for customers looking to upgrade or replace unsatisfactory parts with these direct lines; Ships same day if in stock and ordered by 3:00 p.m. EST. These corrective movements perform a 12 hour correction twice daily at 5:57:54 with a 14 second pulse from the system master clock. The NAWCC is dedicated to providing association services, promoting interest in and encouraging the collecting of clocks and watches including disseminating knowledge of the same. As of January 2019, return shipping on restored articles will include requirement for Adult Signature. Synchronous Clock Motor 12V 10 rpm 4mm 5/32" shaft NEW Rated at 60W, plugged directly into wall power as usual it runs too hot: 110C. World O Appliances/Household/Plumbing/Irrigation/HVAC/Hardware Important: Standard policy is to bill at time of shipping. If you don't need the whole movement, the motors are all the same on these. Price and other details may vary based on product size and color. Not sure what you need? Friday, 10, Feb BRAND NEW SYNCHRON K12RA 1 RPM ELECTRIC MOTOR clock repair parts traffic. Minimum restoration charge for collectible alarm clocks (case and movement) is $250. Order today, ships today. Synchron Hansen Spinner Clock brass movement 33-1471 with motor RARE $850.00 $36.50 shipping or Best Offer Hansen K180LD 1 rpm Synchron Motor $54.99 Free shipping New Hansen Synchron Motor BK129LA / B129LA red factory seal $69.99 Free shipping 13 watching Its not unusual; self winding clocks manufactured in the early 1900s were designed to be operated in fairly adverse industrial environments. Save a lot by taking the old one off your movement and replacing it instead of buying an all new one. In 2008 i used about 60V into the warming tray. Radwell sources these products through independent channels including resellers, the original manufacturer (not as an authorized distributor), and online marketplaces, allowing Radwell to obtain competitive buying rates; The products are genuine, new in box, and unused; The products may vary as to country of origin, accessories and other items included with the product, the language used on the packaging, parts and instructions, and the contents of any printed material; For quality assurance purposes, some products may not have a factory seal. Its pretty likely that the whole exposed gear assembly will need cleaning and lubrication. He also mentions testing the rotor before putting it back into service: putting something protective (he suggests glove leather) around the gear and using pliers to turn the gear: I have used the above method in the past, and it does work: my original 1970s treatment was good for over 20 years especially noteworthy since i was using vegetable-based 3-in-1 oil and did not clean nor lubricate the exposed gearing. You wont be happy with piecemeal repairs long term, and well get tired of unpacking and packing your piece! If we are presented with a relatively un-worn, newer (less than 10 year old) movement, things may be different. Other times, wear is extensive and no amount of oiling will help. Obviously, there are bound to be exceptions, but this is what we have found to be the case in a very high percentage of the vintage clocks and clock movements we see. I'm dedicated to helping clock owners keep their wonderful clocks and timekeeping Telechron rotors spin at 3600 RPM and reduction gearing brings them down to reduced output speeds such as 1, 3.6, 30 and 60 RPM. The American Time AllSync Plus replaces nearly any major brand solid-state clock for pinpoint accuracy, energy efficiency and a three-year warranty! Refurbished Art deco Postal Telegraph Synchronous Electric Time Clock Model Sx15. Our Featured Products Synchronous Clock Motor 12V 10 rpm 4mm 5/32" shaft NEW 24/7 Customer Service satisfaction guaranteed inegativer.com, US $31.9 2" and tinned precision Swiss-made with steel motor case This motor requires input power of twelve (12) volts AC 4mm dia stripped back 067" hole drilled halfway down x 10mm long output shaft with 6 . We will return your project and wish you the best of luck. Columbia, PA 17512 Hansen 600 Series - Synchron A & D Mount - Round Gearbox Proper shipping and insurance can amount to a great deal of cost, so be sure you have a legitimate problem (and contact us for assistance) before returning your unit. Jan 2, 2010 #1 I have a Synchron Model 610 I43R clock motor from a 1950's Lackner advertising clock that is not working. By contrast, simply oiling a 100 year-old worn out movement does not remove the wear or provide any longevity. New period-correct 8' cloth covered power cord with antique- style plug powers the motor. A44RA / A43RA motor. Thats nice, but not knowing the thermal transfer efficiency between the bulb glass and the aluminum rotor case, unhelpful. While some stock of standard Telechron coils exists, we can provide coil winding services for unusual electric clocks such as Windsor, New Haven, Telechron NuTone, Sessions chime clocks, General Time, and others. If the movement is to be overhauled then add $600.00 extra. Usually the shaft sits down in a small depression that will hold a small amount of oil. 2" diameter x 1-3/8" deep. Clock Restoration - Precision in Detail - Ken's Clock Clinic Anything of this general nature should work. And for just a bit more information, these motors are used in clocks, advertising signs, damper controls on HVAC, water heaters and other electrical equipment. CONTACTOR, MOTOR CONTROL, 3 POLE (3 NO), 3 PHASE, 9 AMP, 120 VAC 50/60HZ COIL, 1 NO + 1 NC AUX, 5 HP LIMIT SWITCH, ROLL LEVER, 5/32 INCH, CONTROL VALVE, DIRECTIONAL, PNEUMATIC. Indeed on the same rotor it happened during the 2008 treatment (pictured), but not during the 2021 treatment. Which is better Tata Nexon EV Prime or Mahindra Scorpio? A12LC-6 Motors/GearBox/Clutch from SYNCHRON 2-Year Warranty - CLOCK MOTOR, 110VAC, 60HZ, 3WATT, 4RPH. The challenge for the clock repair person is the level of custom machining and fabrication that is needed to carry out the repairs on self winding clocks. Experience has proven that alligator clips are NOT a reliable way to connect a self winding clock movement for the long term. Youre seeing this ad based on the products relevance to your search query. Simplex (6310-9231) Replacement Motor Movement Assembly As well, it may help to shake the rotor assembly in various different planes whilst holding it in your hand, to further agitate the liquidy innards. Multiple parts must be hand (sometimes custom) made nearly 100% of the time and when they cannot be made here, someone must be found to help. Warranty may be forfeited in cases of rudeness or we may ask that you kindly take any future business elsewhere. . The majority of the work that goes into getting a movement operational involves, but is not limited to, plate work, precision pivot polishing, escapement restoration, balance cup or jewel restoration (not for the faint of heart), fabricating replacement parts such as clicks, arbors, replacements for worn wheels, cannon pinions, etc., as well as mainspring maintenance which is tricky these days since the selection of replacement mainsprings out there is at an all-time low. Unless youre ready with more oil, the supply around the gear shaft will be exhausted before you know it., I usually go through the heating-cooling sequence twice to insure getting enough fresh oil inside the case to last.[]. We have been asked if we service vintage New Haven electric clocks. This work is a labor of love, and we do not wish it to become otherwise. Clocks. When customers call for a replacement motor, they are often holding the motor they need to replace. Your clock would be powered by a brand new, state-of-the-art battery mechanism (movement) that's the best available on the market today. Chicago Clock Company. 610, we probably have it. Basic service/repair $150 to $200. A valid written repair rate from a valid competitor . Most commonly, the 1 RPM RH motors (A43RA series) are still available. Hammond Bichronous are unique movements. 4PCS Turntable motor Synchronous Synchron Motor 50/60Hz AC 100~127V CCW/CW 4W with 7mm Flexible Coupling Connector For Cup Turner,Hand-Made, School Project, Model (2.5-3RPM), Turntable Motor Synchronous Synchron Motor 4W 50/60Hz AC 100-127V Geared Motor,Reduction Motor (04) for high Torque ac Motor synchron Clock Motor Electric Fireplace Parts Electric Fireplace Parts, 50/60Hz Synchronous Synchron Motor Electric Turntable Motor AC 100~127V CCW/CW 4W (0.8-1RPM), Turntable Synchronous Synchron Motor 50/60Hz Frequency AC 100~127V Geared Motor CCW/CW 4W(0.8-1RPM), 2PCS Synchronous Synchron Motor 50/60Hz AC 100~127V 4W 2.5-3RPM/MIN CCW/CW For Hand-Made, School Project, Model or Guide Motor (2.5-3RPM), uxcell AC 100-127V 15-18R/Min Round Shaft CCW/CW Direction 4W Synchron Synchronous Motor, CHANCS TYC-50 Low Speed Synchronous Motor 110V AC 0.8-1RPM CW/CCW Small Permanent Magnet Synchron Electric Motor for Art Project, 2PCS Synchronous Synchron Motor 50/60Hz AC 100~127V 4W 5-6RPM/MIN CCW/CW For Hand-Made, School Project, Model or Guide Motor (5-6RPM), Heyiarbeit Synchronous Synchron Motor 50-60Hz AC 110V 0.8-1RPM Electric Motor CW/CCW TYC-50 4W Horizontal Hole Shaft for Hand-Made School Project Model 1pcs, 3PCS Synchronous Synchron Motor Turntable Motor Electric Synchron Motor For Cup Turner,cuptisserie,Tumbler Cup Rotator with 7mm Flexible Coupling 100-127VAC 50/60 Hz 4W 5-6RPM/MIN CCW/CW, Synchronous Synchron Motor 50/60Hz AC 100-127V CCW/CW 4W Geared Motor 0.8-1RPM / 2.5-3RPM / 10-12RPM / 15-18RPM (0.8-1RPM), Kazeffi Synchron Motor 24V 4RPM Replacement for Honeywell Motor 802360JAUsed in V8043/8044 Zone Valve Control, 2 Pieces Silent Clock Movement Mechanism Long and Short Shaft Clock Mechanism with 6 Different Pairs of Hands DIY Clock Repair Parts Motor Replacemen, 2 Pieces High Torque Long Shaft Clock Movement Mechanism with 5 Different Pairs of Hands DIY Clock Repair Parts Replacement, 6 Pieces High Torque Clock Movements Long Shaft Clock Movement Mechanism with 8 Different Pairs of Clock Hands Clock Repair Parts for Design Replacement Repairing Clock Accessories, NAIVE BLUE Electric Synchronous Synchron Motor 50/60Hz AC 100~127V 4W CCW/CW for Hand-Made, School Project, Model or Guide Motor 30-36RPM, ifundom Clock Mechanism Replacement, Quartz Clock Movement Mechanism Replacement Battery Operated DIY Repair Parts Replacement Shaft Lengths 12mm / 0.5 inch(A), Intermatic WG733-14D 208/240/277V Time Clock Motor, Bernhard Products Black Wall Clock Silent Non Ticking 10 Inch Quality Quartz Battery Operated Round Easy to Read Home/Office/Kitchen/Classroom/School Clock Sweep Movement. We strive to prevent surprises. It started with a tough farm boot and a simple belief that boots should work as hard as the people wearing them, Locate the small dot on the side of the password lock and press it with a pen or toothpick, Buy Sterling Silver Polished Satin CZ Leaf Chain Slide Pendant Pendants & Charms Jewelry and other . Telechron rotors spin at 3600 RPM and reduction gearing brings them down to reduced By contrast, a conventional spring or weight-powered clock will run down and perhaps be left without winding for extended periods of time. Refurbished Art deco Postal Telegraph Synchronous Electric Time Clock Leather cases cannot be restored in our shop. Short on time and need an expert to just get it done? The gear set is only referring to the movement. The old oil heats up, expands, and seeps out of the gear shaft opening (assuming there is any old oil left in any sort of fluid form!). We can rewind coils, fabricate replacement fiber wheels, and completely rebuild and restore Telechron rotors as part of the clock restoration. The tools you'll need to fix an electric clock include these: Screwdrivers Pliers Knife Electric contact cleaner Multimeter What Are the Steps to Electric Clock Repair? My turnaround is 4 to 6 weeks for motor/rotor service, 6 to 8 months if the clock is sent with the motor/rotor, or if the movement is overhauled. C $235.84. We strive to provide your cherished clock with the utmost loving care possible. Your recently viewed items and featured recommendations. output speeds such as 1, 3.6, 30 and 60 RPM. Pivots need to be polished to a glass-like smoothness, and holes rebushed so as to be clean and undetectable. We always do our absolute best to stay within our ballpark ranges. A gentle, careful dust off for purposes of taking pics is a great idea. We can safely and harmlessly disassemble the motor, fabricate replacement commutators, bifurcated brush assemblies, and of course can re-tip the brushes with .004 platinum (3x the original thickness!). Opens in a new window or tab. Synchron and PM AC Synchronous Motors | Hansen Motors Jan 23, 2017. This seems to be about what a 100W bulb manages using the classic method, so i figure its OK. Note on Travel Alarms (and similar watch-like) miniature clocks. The goal here would be having the penetrating oil loosen up dried/caked oil inside the rotor, so more would come out with heating. All Rights Reserved. While it is too early to tell if any of these will last as long or longer than the original method, the early results seem sufficiently good to keep using the improved methods. I have been in touch with Twemco and they told me that these particular type of clocks are not made . No issue with these is outside of our capability. John T. Frye, W9EGV, wrote a regular column Macs Service Shop. . Because Radwell is not an authorized distributor of RISCN1 products, the Original Manufacturer's warranty may not apply. Again, output bushings, shafts and internal plate holes are often worn, requiring disassembly and repair. 5. We get calls every day from folks searching forHansen Synchron Motors. If anything comes up above that, we will communicate that to you before proceeding. Clock movements and the rotors should be serviced periodically for long life. Call us at 800-328-8996. And, nearly 100% of the issues we end up solving are related to mishandling of the clock or movement on the customers end. How to Find Your Synchron Motor Replacement - American Time Blog Power reduction (if used) will be specific to your device, and likely the position of the rotor on the device. Here is an example of whats on the rotor pictured in this section, from a G.E. Sign up today to enjoy Radwell price on new product, surplus, and repairs. Sources indicate that those are about 2.6% efficient, so thats about 97.4W of heat. The voltage and other specifications are first, followed by speed and model number. FOR SALE! I use an aluminum sheet to conduct away the heat. Protect their value with high-quality motors and movements! DISCONTINUED BY MANUFACTURER, POWER SUPPLY, 30 WATT, 120-240 VAC, 125 VDC, 24 VDC OUTPUT, SOLENOID VALVE, 4WAY, 2POSITION, 1/4INCH, TUBE, LIMIT SWITCH, PLUG-IN, SIDE ROTARY ACTUATOR, 10 AMP, 600 V, 1 NO / 1 NC. Synchronous Clocks (time only) 1. : - Clock / Doll domes Quartz Clock Movements Clock Keys Clock Suspension Springs Action Figure Stands Weather Instraments Hansen Synchron Motors Egg or Sphere Display Holders Doll Stands - Metal or Plastic Displays -Watches,Flags & more Clock Pendulums Clock Oil Quartz Clock Inserts / Fit-Ups Porcelain Figurines Egg Shells for Crafts Barbie Dolls / Barbie like Dolls Cuckoo Clock . There is rarely a reason to replace an original, high quality movement in any but the most extreme situations. action. With the dried oil and caked-on grease present on the output shafts, how can driving oil through this shaft (from the outside in) do any more than pack varnish-hard oil back into the case containing the watch-like rotor movement? If we send you back a clock where this has not been done, its a time bomb. One popular alternative method involves carefully drilling an access hole into the rotor housing. The result is an all-original motor restoration with longer life than the originals. machines operating by providing a high quality source of original Telechron rotors. We are very happy to help with these issues! Synchron Clock Motor for sale | eBay Runs at 1rpm, 60hz, 110 volts, 3 watts. There is also the need to fabricate custom platinum contact replacements as well as assess and restore other electrical elements. We back our craftsmanship with a standard 2 year warranty. us with your request. You must log in or register to reply here. Hansen Bottom-Set Clock Motor - Replacement Movement - Clockworks If you have a different kind of product with variable temperature, that may be sufficient. The answer is a resounding yes! Our services include restoration of vintage American and European wall clocks, mantel clocks, cuckoo clocks, electric clocks, self winding clocks, and many others. Hansen #A43RA Synchron Electric Replacement Clock Motor Consequently, with apologies, success with travel alarms may be variable. Responds in about 2 hours. If, in return for that effort, you choose to call or email and become pushy, rude or verbally abusive despite our clearly statedbacklog (yes we have had this happen), we do not want your business. Hammond synchronous Clock Repair (by synthpro) - YouTube Replacing the movement and hands on a vintage electric wall clock - 3 Read on! $75 for $100 Deal. DISCONTINUED BY MANUFACTURER, INPUT MODULE, 16 POINT, 6 MA, 24 VDC. We service antique 8-day American clocks such as Ingraham, Gilbert, Lux, Sessions, New Haven, Seth Thomas, Herschede, Waterbury, and many others. Sign up to get the latest news, product information, and exclusive promotions delivered to your inbox. Any information on this tall case Grandfather clock with wood movement plates. Unexpected problems crop up that are nearly impossible to foresee. Synchronous Motors | AC Motors | Electronics Textbook - All About Circuits Magnetic induction from the rotor's . Synchron Model 610 I43R motor repair/replacement There is always wear, and it must be addressed. Twemco replacement synchronous motor - Flip Clock Fans Forum Phone: 717-684-8261. Pivots need to be polished to a glass-like smoothness, and holes rebushed so as to be clean and undetectable. Pricing is commensurate with the amount of disassembly, restoration, and re-assembly required. My workbench happens to have a Variac adjustable autotransformer, which i use to reduce the voltage feeding this warming appliance down to what gives the rotor under rejuvenation the heat it needs but not more. We understand that when movements are returned, there may be questions about connections and other issues that arise. It is impossible to warranty a movement powered by poor quality battery holders or connections involving alligator clips. Hammond synchronous Clock Repair (by synthpro) - YouTube 0:00 / 11:45 Hammond synchronous Clock Repair (by synthpro) synthpro 5.72K subscribers Subscribe 40 2.6K views 1 year ago Hey. 610 by SYNCHRON - Buy or Repair at Radwell - Radwell.com Zen Cart! The motor model number is usually stamped on the side band of the motor after the voltage, wattage, RPM and so on. We will always be respectful of you, treat your article with utmost care, and expect no less in return. Radwell is not an authorized surplus dealer or affiliate for the Manufacturer of RQAUS1 products unless explicitly stated otherwise; The products may show signs of use and may be marked with evidence of the prior owner's use (e.g., tracking numbers, identification tags, etc. Because Radwell is not an authorized distributor of RQANS1 products, the Original Manufacturer's warranty may not apply. Here is an outline of my current optimized method of rotor treatment. [CDATA[ 1980 C8 Synchron Motor problem - Cloudy Nights The little gear will be up; and if you watch closely around the shaft, you will eventually see hot oil bubbling up around it, driven out by the expansion of the heated air inside the case. With the thousands of requests we receive, we cannot possibly reach out to you when the stated queue time has elapsed. If you are anxious, we want to be attentive to your needs and will be more than happy to help you. Clock Parts & Clock Repairs | American Time On the one i have, there is a hot spot in the exact center, conveniently about the size of the back of the clock motor rotor. A piecemeal approach results in call backs more times than not, which means the movement or entire clock will need to be shipped back and forth at least once. We have developed our own techniques which we have found to work most reliably. If your original motor has the markings or A43RA or I43RA this motor is a direct replacement. Reminder: Policy on Rudeness, Bullying or Abusive Communication from Customers. Anyone have suggestions on repair? our electric clock repair page Mike's Telechron Clock Clinic's GE, General Electric, Herschede, Revere technology. This includes the proper alloys of brass, bronze, beryllium copper, steel, precious metals, resin plastics, copper and resistive wire, other electrical components, etc. A few emails and perhaps a call evaluating pictures and responding to observations is considered acceptable. We ask them for the information printed on the side of the motor, including voltage, speed and model number. POWER SUPPLY, SLC RACK MOUNTING, 85-132 / 170-265 VAC LINE VOLTAGE, 47-63 HZ, 180 VA TYPICAL LINE PO LIMIT SWITCH HEAD ONLY, SIDE ROTARY, SPRING RETURN. Originally Web posted Wednesday, 27 May 2009. We understand these movements in all aspects and can address every failure issue. Twemco replacement synchronous motor. PLEASE SEE THE TABLE BELOW.**. var today = new Date() synchron clock motor 610 for sale | eBay This editions column was How To Service A Clock Radio. of heating as for the classic method so far seems appropriate. All movement restorations are backed by a two-year warranty. Sessions, United, and General Time open frame motors require a unique approach. We understand that you love your cuckoo clocks sound and want to return it to you with the same tune that you are accustomed to. Shop All Parts & Accessories MOTOR 110VAC 60HZ 1RPM 4WATT CW ROUND SHAPE (A43RA/A44RA) SKU: 288003 Type: Motor If you are considering restoration of low cost alarm clocks, please first consider our alarm clock forward. Reproduction replacement silk power supply cord @ $4.50 per foot. Thanks for the reply, Bill. After 10-15 years, more work may be needed, but this is variable. 3PCS Synchronous Synchron Motor Turntable Motor Electric Synchron Motor For Cup Turner,cuptisserie,Tumbler Cup Rotator with 7mm Flexible Coupling 100-127VAC 50/60 Hz 4W 5-6RPM/MIN CCW/CW 87 $1699 FREE delivery Thu, Jan 19 on $25 of items shipped by Amazon Hammond Synchronous Clock Motor (Rotor) Spin Start. We dont want to see your clock back here every 6 months! The outer appearance of the clock remains literally the same; in fact almost unchanged. Mounting screws not included but can be purchased HERE. For these reasons, we much prefer to restore the original movement whenever possible. It might have been closer to 2 hours i didnt track it carefully (was doing other things). These are very rewarding clocks to restore (and are among our favorites), as many case styles were unique and fashionable in their time. Restoration estimates do not include shipping, packing, or insurance costs. $80 for what from where? Compare that to the cost of shipping a movement back and forth multiple times to find a problem that doesnt exist. (Originally made in the USA, professionally restored in the USA), *********A few examples of early clocks powered by Telechron Motors*********, A few examples of early clocks powered by Telechron Motors. 5.5 mm pinion diameter . Not sure what you need? For the benefit of posterity and hoping any copyright owner wont be offended (ill take it down if so), heres the relevant portion of that article [with occasional notes from me which were not in the original in brackets like this]: [Mac:] Now youre ready to put fresh oil in the case. Hansen A-43RA motor is 1 RPM and 60 cycle, 110V 3W. We are attentive to your needs and will be more than happy to help you. Telechron motors powered numerous timekeeping applications starting in 1917. There is also the need to fabricate custom platinum contact replacements as well as assess and restore other electrical elements. Note on Plating Services: We no longer offer parts plating for those wishing to do their own restorations. We service Vienna Regulators, English bracket clocks, Crystal Regulators, Self Winding clocks, highly collectible alarm clocks, vintage and contemporary cuckoo clocks, and vintage electric clocks. Restated, for clarity: Customer pays for return shipping and handling in all cases, including warranty returns. DOES NOT HAVE AN EXTERNAL BELT DRIVEN ALTERNATOR. . Watch closely, the oilcan in your hand, and soon you will see the oil disappearing, sucked into the case by the cooling, shrinking volume of the air in the case. Note that 60-C is likely 60 Hz (C = cycles), not 60C. Discover more about the small businesses partnering with Amazon and Amazons commitment to empowering them. 380) triple plate chime or strike movements. Policy on Powering SWCC Movements with cheap battery holders and alligator clips. I've taken the motor apart as far as I know how, to where I can lift the pinion shaft/gear and magnet disc out of the motor. It is not the standard of craftsmanship we are known for. But a vintage, 100 year old movement is going to have many looming issues, always. I don't need the gear set, but I want to make sure it's the correct motor for my gear set. was the Telechron rotor assembly which was used to power many GE, Telechron, Revere It is used in American Time, Simplex, Cincinnati, Faraday and Edwards wired synchronized clocks. They are sealed units and were never intended to be serviced. We understand you may be anxious to see your project completed; no one likes to wait and neither do we. Also, New Haven engineered many very clever features into their movements. DIAMETER X 4 IN. The hour and minute should go to the next hour and 59 mins. The problem is, customers call or email claiming a fully restored movement is inoperative when reliable connections and power sources are not established. Reproduction replacement silk power supply cord @ $4.50 per foot.