Set Up Instructions for 20th Century Mechanical Clocks

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Set Up Instructions for 20th Century Mechanical Clocks

Mechanical striking clocks can be notoriously difficult to set up. The key thing to focus on is having the clock standing on a level surface. All the clocks came with a set of instructions and I have createded a set as an example of what was required even when the clocks were brand new.

Three Hole Chiming Clocks

The usual set up of the holes is;
       the centre one for the clock mainspring
       and the ones either side are for the quarters and the hour chimes

Instructions

1. Open Front Of Clock
2. Wind Clock (Centre Hole) and Striking Springs (Side Holes)
3. Check if Chime Switch (if present) is set to Chime or Silent
4. Open Back Of Clock
5. Raise Hammer Lock (if present)
6. Pendulum must be hooked to the suspension at the back of the movement and given a slight swing. (Sometimes you may need to push against a slight resistance if the swing doesn’t maintain the tick tock, or alternatively the clock may not be level, see point 7)
7. It is essential that the clock should stand level as the pendulum must swing evenly from side to side for accurate timekeeping. Should the tick be uneven, move the suspension gently either to left or right against slight resistance until even beat maintained.

To Regulate.

Should the clock lose time, turn the screw nut which is below the pendulum bob to the right, and if it gains turn to the left.
One min. a day – one full turn of the nut.
Clock must be fully wound once weekly.
Always turn hands forward, and let each quarter chime.
The quarter hour chimes may be offset after movement of the hands but should self regulate after a short time.

The Set up for Two Hole Striking Clocks is exactly the same, the main difference is that there are only two holes, one for the clock mainspring and one for the chime spring.

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