Hey RWI, Feels like its been a while,
Back with another post, this time servicing a VS3235, unlike the 3135 the tech documents for this particular movement aren't publicly available, were using the 3135 tech doc as a starting point and intuition I guess... If anyone has any recommendations about oiling points I may not have identified, please do let me know!
Before we do get onto the walkthrough, for the lack of a better word. I don't know how many people benefit from the full descriptive walkthrough of the assembly, I know for certain I wouldn't so I'm going to reign it in a little in that respect.
I also would just like to say, in no way is this a tutorial, these aren't created for that purpose, more of an insight into watchmaking and what is on my bench at the time.
Had a few messages/comments about which parts I epilame, for this information it'll always be on your tech doc, for the purpose of this post; here are the parts that I have used epilame on. I would just like to note that the pallet fork isn't coated completely, only the pallet stones.
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Starting with the keyless works, slightly different to the 3135 comprising of less parts. I like the design of these parts, you can tell they've been thought about. Lubricating the keyless works with with 9504.
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Flipping over the movement to install the train of wheels and bridge, barrel complete and bridge. A few reservations coming into this service I had done a fair bit of reading, one topic that did concern me was regarding disassembly of the mainspring barrel, apparently the 3235 barrel walls are very thin, this I opted for not disassembling and rather if it give me problems later down the line I will replace with a gen barrel complete. Rightly or wrongly I did also hear Rolex are also replacing this part as a whole (Barrel complete). I think I may need to do more research into this and/or speak with some of my peers and fellow contributors.
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Pallet fork, bridge and winding system installed here, ready for the balance to be installed. Pallet stone face is lubricated with 9415, winding system gets 9504 and HP1300 in different locations.
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Balance complete now installed, this is where I go ahead and start to regulate the movement. A fair bit of debate on lift angle for the 3235 movement, I'm going with 55 degrees on this from information I have read on various platforms.
Happy with the numbers and I am aware VS3235 does have a lower amplitude.
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Dial side now to install the calendar works, mainly lubricated with HP1300, Date indicator seating is then installed with date jumper receiving 9504 to various locations.
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Working our way onto the automatic module, Referring back to picture regarding which parts get treated with epilame; Driving wheel and reversing wheels get treated. Reversing wheel posts are treated with HP1300.
They are also lubricated with HP1300 to the outer perimeter teeth, unlike the 3135 the reversing wheels aren't fully coated with teflon.
All pivots get lubricated with HP1300.
Automatic module can now be installed.
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Flipping the movement back over to install the date disc, dial and hands.
Then further install the movement into the case.
Once the movement is within the case, I then install the rotor, unlike the 3135 which operates on a jewelled axel, the 3235 is running with the newly adopted ball bearing rotor. I believe this is why the 3235 is somewhat a little noisier than the 3135.
One single ball bearing is lubricated with HP1300, in a very minimal fashion.
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Once the gasket has been greased with some 8513, its time to case the watch up to conclude the service.
If you are finding these informative and or useful, let me know if there is anything you'd like to see within reason. I'm trying to keep this relatively rep related.
Thank you.