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Timegrapher information

Nikia

By Nikia
in Watch Repairs Help & Advice

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Nikia Member

Nikia

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Hi guys, I just serviced this Rodana. Amplitude seems good, however no matter what I do to the regulation arm the timegrapher keeps showing ++++s/d.

What is that due to?

It’s not a timegrapher issue, as it works perfectly with other watches.

Thanks for your help!

Pic of the reading for reference:

8473fa47a2a9ca2ad4f6e13086e122bc.jpg

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Nikia Member

Nikia

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What is the movement? 
Also does your TG auto detect the beat rate or have you set it manually? In which case have you selected the correct value? 

My TG detects the beat automatically.
Here is a movement shot. It’s marked AS 1297
1294

f1137d25c33aefdbfd293fe9440dec96.jpg
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rduckwor WRT Addict

rduckwor

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Also, I don't know what you did to the balance and cock, but make certain the HS is between the regluator pins.  BTDT! 

I have also seen a HS catch on the upper level of the balance cock, so give the HS a good look under magnification.

 

Good Luck.

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Marc Distinguished Member

Marc

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It has picked up the correct beat rate then (always worth checking) but the +++++++ display means that the rate is fast by a large enough margin to be out of the display range.

As already suggested the H/S could well be touching somewhere that it shouldn't. You could also have coils sticking together either because they are magnetised or they a contaminated. These would be the first things that I would look at.

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Nikia Member

Nikia

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I’ll start checking out the HS. To be honest I had a hard time setting the balance jewel into the pallet fork due to where the balance is, so I may well be done something wrong on the HS. I’ll come back after checking that out!

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jdm Distinguished Member

jdm

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1 minute ago, Marc said:

What is the movement? 

Also does your TG auto detect the beat rate or have you set it manually? In which case have you selected the correct value? 

In my experience Weishi machines detect beat rate accurately. If is says, as it happens here, 18,000 and way fast (more than 1,000 s/day) that it means the next auto rate of 19,800 (10% faster) is not applicable. Assume the algorithm threshold to decide rate is at midpoint, that is 4320 secs a day, or 72 minutes, that is not credible for a mov.t running slow. 

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Nikia Member

Nikia

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I can say that even if the lines came to an almost straight pattern which usually comes with +-0 spd the reading stays at ++++ s/d.
The lines also get up and down continously, they’re not able to stay straight.
Hope I explained it well enough

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Nikia Member

Nikia

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That is typical of an hairspring rubbing. 


And you were damn right!
The hairspring was rubbing between the pins.
These are the new readings! Have to say I’m happy. Just have to set the watch in beat now.
Thank you so much to all of you guys for your help :)
42cb3ed53568ade13b139e31ab0383aa.jpg
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jdm Distinguished Member

jdm

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11 hours ago, Nikia said:

Thank you so much to all of you guys for your help :)

 

You're welcome! FYI on the left of all postings in this section one can feedback with the rating arrows, and the OP set check mark.

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jdm Distinguished Member

jdm

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54 minutes ago, Nikia said:


Is this available on tapatalk too? Can’t seem to find it

I recommend to use the browser on mobile devices. Forum software has excellent support for these, so that all features can be easily accessed. I've stopped using Tapatalk after realizing how limited, slow and awkward is. 

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