Dating longcase clock cases

Place the winding key on the square and wind very slowly, about 6 turns, whilst keeping the line taut and watching it feed onto the barrel grooves.

Without releasing the tension on the line follow it down to the bottom to ensure there are no loops or kinks, turn over the pulley and place the line in the groove.

The case can of course be screwed to the wall to safeguard it.

Now pack the side to side level until it is upright.

The lines should be fully out and not tangled up around the wheels.

Hold the line about one foot down from the board and pull it taut.

Do not use any packing under the clock at this stage but get somebody else to hold the case throughout the setting up to prevent accidents.

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The front of the case can then be tightly packed against this cork to stabilise it.

If the longest gap is when the pendulum is swinging towards the left, the crutch arm must be bent towards the right. The suspension block should be in the centre of the crutch fork, adjusted by bending the crutch arm backwards or forwards.

The hood can now be replaced and the clock wound and set to time. 8 day clocks are wound once a week, usually with a cranked key in a clockwise direction of 14 turns.

Then hang on the weight making sure the tension on the line is not released until the weight is in place. With 30 hour clocks, check that the rope or chain is correctly seated on the sprocket within the movement.

Untangle the rest of the rope or chain following down to the bottom.

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