How To Install a New Clock Mechanism (or attach new hands)

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How To Install a New Clock Mechanism

Installing a new clock mechanism should not be a daunting process, it is very easy if you follow a our step-by-step instructions.

Firstly, select your movement by deciding whether you would like a quartz ticking or a non-ticking sweep mechanism. Measure the thickness of your clock face. Use a small narrow item to measure and then measure this against a tape measure or ruler.  That measurement will be the minimum spindle length that you require.

Then, all you have to do is select your hands.  These come in a variety of sizes, colours and shapes.  If you have numerals or numbers on your clock dial, it is best to select a size that falls slightly short of these as it may obscure them and make it less easy to read.  The hands are sold by size in millimeters (mm). The size given is usually the size of the minute hand.  The hour hand in the set is proportional to this. Once you have received your new clock movement, there are a few steps to ensure that it is fitted properly.  You will have in your mechanism kit, the movement, a rubber washer, a brass washer, a brass nut.

Place the rubber washer over your spindle which is the pointed bit that the hands attach to, and push the spindle through the hole from the back of the clock.  This washer ensures that your movement will not slip and grips it to the back of the clock.

After you have placed the spindle through the center hole put the brass washer on the spindle and then the nut and screw this on until firmly attached.  This will secure the movement to your clock.  The brass washer will also cover the area around the hole on the face and hide any bits there that are untidy.

To replace hands first remove the brass nut and take off the hands.
To put on a new set of hand sor replace the same hands firmly but gently push the hour hand on first at 12 o'clock.  You may need to gently wiggle this down onto the spindle, then do the same with the minute hand at 12 o'clock.  It may be an idea at this stage to test the hands by moving them on a couple of hours to make sure that they are not conflicting or touching with each other.  If they are, the metal hands can be gently bent away from each other.  You may have to do this particularly if your hands are under glass face.

When you are satisfied that the mechanism is straight, gently push the second hand on to the spindle (if you have one).  Only put the second hand on when you are satisfied that everything is in place. The clock is a precision movement and is designed for a very snug fit, and the second hand has to be attached permanently.  If you try to remove the second hand once in place, the pillar in the central column may come out and break, or the mechanism may misalign.

Install your battery and your clock is ready to go, please alsways ensure you change the time using the black wheel at the back of the clock to prevent the mechansim from slipping and misaligning.                        

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