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Dear community I'm servicing a Rolex Air King movement 3130 in my amateur hobby. First time servicing a Rolex and it is my wife's watch, so if i get this wrong I will get in big trouble! :-) All went quite well with disassembling, cleaning and I got it assemble again. When testing the motion works (at this stage all was assembled except the automatic works), and trying to set the time by pulling the stem, the motion seems blocked and I'm afraid if I rotate the crown too hard it will damage the pallets. When trying to set the time it forces the train wheel to rotate and it does not feel right. I did not push too hard, but it seems something is blocked. My amateur guess is that it seems something is wrong with the cannon pinion, but not sure. I gave it a very good clean and lubricated the center wheel with Moebius 9501 before pushing the canon pinion in. The canon pinion clicks in fine and all seems very good. Does the canon pinion needs to rotate with the center wheel stopped or they always rotate together? right now they seemed to be always rotating together, which puts pressure on the train wheel when setting the time. Attached a photo after i removed the motion works for testing, but not much you can tell from the photo. Your help is very much appreciated. Thanks in advance.

Dear community, Finally convinced my wife that my amateur skills are good enough to service her Rolex Air King 3130. The watch has 10 years and this is the first service. When removing the oscillating weight i noted that it was quite stuck and there was rust in the pinion (photo attached after cleaning with rodico - there was more rust before). In the Rolex oiling instructions they suggest HP1000 to lubrificate the pinion. Apart from a good clean and HP1000, is there anything else i should be doing to avoid the rust to come back again? Many thanks

I watched Marks videos many times, but I can‘t recall that those screws (picture below) were ever discussed. Looking at them, they would control how high the overall balance bridge sits and therefore would allow to fine-tune the end-shake, or am I missing something else? Thanks, Regards, Benny