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3135 date not working


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Check date jump train( canon pinion to jumper spring).

In case you didn't find the fault, a close- up picture of the train helps.

Regs

Joe

 

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What is a jumper spring as I do not see it nor is it mentioned in the video.  Also could it be anything else as the date does work but only when I pull the crown out to the last position. I also do not her nor see anything broken. 

Edited by Trueblackpercula
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29 minutes ago, Trueblackpercula said:

What is a jumper spring as I do not see it nor is it mentioned in the video.  Also could it be anything else as the date does work but only when I pull the crown out to the last position. I also do not her nor see anything broken. 

Please take a picture of your current dial-side movement and one of the experts on this forum will help you.  With no picture, we are simply guessing.

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11 hours ago, Trueblackpercula said:

What is a jumper spring as I do not see it nor is it mentioned in the video.

The jumper spring is the part that keeps the date ring steady, otherwise it wil lbe be moving around all the time.

11 hours ago, Trueblackpercula said:

Also could it be anything else as the date does work but only when I pull the crown out to the last position.

The date  quick set mechanism is completely indipendent from the one that advances with time. I did not even exist on older maov'ts. So it's normal that one may fail but not the other.

11 hours ago, Trueblackpercula said:

I also do not her nor see anything broken. 

Advance time and observe the motion going from the cannon pinion, to an intermediate wheel, to the date wheel, to the date ring. Where the motion is not transmitted, there is the fault.

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