![]() ![]() The first thing too remove is the outer trim that surrounds the dial in the front. Phase of the moon clock dials usually have four posts that come out of the back, that lock into the movement. If having a second hand bit, it is also a friction fit so twist and pull like the hour hand. To get the hour hand off, twist it and pull it toward you, it is a friction fit and will come right off. May need to loosen this nut with needle nose pliers, and then be able to use fingers after. Take off the minute hand by turning the hand nut to the left, while holding the hands still. It will not be immediately evident, but over time it can be seen with dark finger prints in these areas. If touched directly, the acid fro hands and sweat will cause the metal to tarnish. This goes for the dial as well as any other shiny metal item on the clock. Be sure to handle these items with a rag or use gloves. Remove weights and pendulum - Unhook the weights and set them aside. They all have the same basic steps for removal, but sometimes a clock maker puts their own twist on these things. Anyone could have built the clock and mounted it in their own way. ![]() There are numerous clock makers and each have their own style. This is not for every clock, but most grand mother and grand father clocks produced after WW2. If you have reception problems, first check whether the signal has been turned off for maintenance at our MSF Outages page.This is a basic guideline for removing a mechanical clock movement. These include attenuation of the signal due to location of the antenna inside a building or close to power lines or other large metal structures, and background interference which may be from a local source such as an electric motor, fluorescent tube, CRT monitor or TV. This level should be sufficient to allow the time and date code to be received without difficulty, and in all areas of the UK radio-controlled clocks have been found to synchronise correctly to the signal.ĭifficulties receiving the MSF radio signal are generally due to a combination of factors. The MSF radio signal provides a signal strength in excess of 100 microvolts per metre at a distance of 1000 km. The MSF radio signal is transmitted from Anthorn Radio Station in Cumbria by Babcock (formerly VT Communications), under contract to NPL. The signal operates on a frequency of 60 kHz and carries a time and date code that can be received and decoded by a wide range of readily available radio-controlled clocks. Externally, pylons, scaffolding or overhead power cables can also screen the signal A steel-framed or reinforced concrete building, or large metal objects such as metallic window frames, will reduce the signal inside. Objects such as televisions, electric motors and fluorescent lights can interfere with the signal. Try moving your clock to a different location.Some clocks have a signal strength indication that helps in finding the best reception Most radio-controlled clocks have an internal antenna that picks up the signal most effectively when it is facing directly towards or away from Anthorn. It can take quite a few minutes for the clock to pick up the MSF radio signal, so be patient Change the current battery for a fresh one and reset your clock. Check that the power supply is in full working order. ![]() If this is not done, the clock may well run an hour fast or an hour slow (If the clock's manual indicates a different procedure to this, follow that instead)
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