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Posted

I have the image with those symbols attached but I don’t know what they mean. I am currently trying to learn oiling a the NH35 movement but I don’t know where to start, on YouTube I don’t find really good tutorials on how to oil and grease an entire movement step by step and which items you have to use and what they do. I just found a technical description of where to oil it but I don’t know how much Normal quantity is or what the oil does.

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Posted

I think that's a subject where everyone has slightly different opinions.

For me, "normal" with such as wheel pivots is just enough so you can see it being drawn down the side of the pivot by capillary action, but no obvious oil afterwards.

Sufficient depends on the part - for a pivot, possibly slightly more than as above; for sliding parts, enough to ensure a film over the wearing surfaces.

 

I got most of my info from watching the "Wristwatch Revival" youtube channel; that guy is very good at explaining what he's doing and does not skip sections as many other do. He occasionally also goes over all the specific lubricant types in detail.

I've ended up with about half a dozen types; 9010, very fine blue oil for the smaller parts, 9104 which is the heavier red oil, 9504 blue grease, molykote, plus 8213 braking grease for automatic mainsprings and 9415 for pallet stones in some movements.

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