7750 Operation Lever Installation

[jdrichard]

Need help on where the operation level spring goes on a 7750. I have the technical manual but it is of no help. How do you install it.

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[oldhippy]

Not sure what you mean by an  operation level spring? Any chance of a photo.

Edited June 26, 2016 by oldhippy

[jdrichard]

Not sure what you mean by an  operation level spring? Any chance of a photo.

I was sure I attached it:)

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[jdrichard]

Part Number 8335

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[Kraai]

assembly is very easy with this help:

http://www.eta.ch/index.php?id=161&L=2

and with Mark's video's

[jdrichard]

assembly is very easy with this help:

http://www.eta.ch/index.php?id=161&L=2

and with Mark's video's

Amazing site. Big thanks:)

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[oldhippy]

There you have it jdrichard with Kraai's help in posting that wonderful site it's all there for you.

[jdrichard]

There you have it jdrichard with Kraai's help in posting that wonderful site it's all there for you.

Thanks OH I knew if I was in the dark, you would have the flashlight

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[jdrichard]

Holy crap it is difficult to line up all the bits on a 7750. Getting closer to the auto wind mechanism .

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[SSTEEL]

Keep going, let us know how you get on with the dreaded oscillating pinion

[clockboy]

Be careful make sure you fit it the correct way around.

[jdrichard]

I will show you the end result for sure. This is not easy as I need 4 hands to reassemble this watch.

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[jdrichard]

So I may have crunched the pivot on the Ratchet Wheel Driving Wheel. New one on order. I think I did not have it aligned with the jewel when I screwed down the plate. Lesson learned 10 buck mistake...crap. And another month of waiting for a part.

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[SSTEEL]

Ouch, as you say, lesson learned, it gets easier over time.

[jdrichard]

I guess 10 dollar mistakes are ok

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[nicoyenny]

Note to self: ALWAYS make sure all pivots are properly aligned in their respective jewels BEFORE turning any screws.

Yeah, that auto bridge is the one that makes you sweat ... and the pinion !!!!

[jdrichard]

It has to be the most difficult to assemble. I did have it all together and did not notice the sideways gear two plates down. Lesson learned. But I ultimate will succeed

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