Atmos Clock Set Instructions

Atmos Clock Set Instructions

Positioning – 

Your Atmos will give you the best service, if you place it on a firm horizontal suppoirt, ie. Mantelpiece, sideboard, shelving, etc. something firmly attached to wall or large stable furniture.

  1. Opening the cabinet

To open the front glass door, press downwards on the door knob, then pull gently towards you so that you release the door from the top panel. You will then be able to remove it by lifting up. Some models have a hinged door which opens in normal way. Other models have a lift off cover, which can be very tight fitting, it is important to very carefully, remove this not to damage the hands.

2.Horizontal adjustment

As with any other precision instrument, the Atmos must be placed in a completely horizontal position. To ensure that it is absolutely level, the Atmos has it’s own spirit level and stands on three feet: the rear foot is fixed and the other two front ones are adjustable. Once you have placed your Atmos in it’s permanent positioning, you may proceed to level it by adjusting the screws of the two front feet. The air bubble should be in centre to achieve correct level. The balance (pendulum) can also be considered a plumb line. Look from the side glass at the frame support above balance wheel, it should be hanging directly of centre whole throw lower frame support.

3.Setting the correct time

To set your Atmos clock, push the minute hand forwards with your index finger. Never move the hand backwards. Never touch the hour hand.


Release the balance wheel by gently moving the clamp lever at the front of the clock. If the balance does not start to move: Check the clock is standing level, Gently turn the balance wheel by hand, half turn, then allow it to start moving of its own accord, once the wheel is oscillating normally, close the door.



Your Atmos has been set in the workshop, If after using it for a month you notice that it is fast or slow, you can adjust it. To do this you will find the regulator at the top of the mechanism. This lever is on a graduated scale. To correct the clock if it is fast: Move lever from right to left. To correct the clock if it is slow: Move lever from left to right in one half increment per day. The key is to take a full 24 cycle to observe the adjustments. Once the clock is working satisfactorily, do not interfere with it, as you know the “Atmos lives on Air.”


Guarantee and servicing info:

Clock has been cleaned, oiled and greased. As well as bellows inspected for proper function. With proper set-up the clock is guaranteed to run for a year. We offer to take the clock back for inspection but buyer will pay return shipping if it should cease operation in a year. Irregular operation of the clock or external damages will void the 1 year guarantee. Please contact us with any trouble-shooting questions or for future servicing at any time. With proper care and handle an Atmos Clock require almost zero maintenance, and will run for decades.


Do not spray the glass with a chemical cleaner; never use anything other than a damp rag to wipe down clock. Using chemical agents on case or dial will remove the lacquer finish.


Thank you for purchasing this clock, we appreciate your interest in vintage and antique clocks. Please visit our website for more Atmos Sales and Services.




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