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Old 6 September 2018, 06:38 AM   #1
nboyer
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Ugh, Dang Calendar Nut...

Okay Folks, working on another project. I have a 1570 movement that I'm doing some repairs on. Just replaced the upper jewel on the auto winder, now moving on to servicing the movement. This is the first 1570 that I'm working on, can some kind sole tell me how to remove the calendar nut? Looks like it might take a special driver? If so, where can I get one? Is there another way to remove the nut? Help greatly appreciated. Cheers! -Norm
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Old 6 September 2018, 08:17 AM   #2
nboyer
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Well, okay, I found an article that said you need a special driver, so I fabricated one from a spare screwdriver on my micro mill. I gently turned the nut counterclockwise but the nut just spins and doesn't come off. Is there a trick to this? Sorry for the mis-oriented picture, taken from my phone. -Norm
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Old 6 September 2018, 10:22 AM   #3
nboyer
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Actually, the nut is turning the entire stem/bolt. Also, if anyone can confirm if the nut screws off clockwise or counter clockwise, that would be great. Cheers! -Norm
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Old 6 September 2018, 11:26 AM   #4
nboyer
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Figured it out after studying the nut and slightly protruding threads under a microscope. To remove the calendar nut, you must turn CLOCKWISE. Cheers. -Norm
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Old 6 September 2018, 12:50 PM   #5
ROLLiWORKS
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counter clockwise. sounds like you have a loose stud
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Old 6 September 2018, 01:00 PM   #6
nboyer
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To remove the nut, I turned it clockwise. The nut unscrewed and the stud remained. Cheers! -Norm

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counter clockwise. sounds like you have a loose stud
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Old 8 September 2018, 01:16 AM   #7
SearChart
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You don't really need the special tool to take it off, you can carefully use a screwdriver. I'm often too lazy to look for my tool anyway.
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Rolex uses rare elves to polish the platinum. They have a union deal and make like $90 per hour and get time and half on weekends.
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Old 8 September 2018, 01:18 AM   #8
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counter clockwise. sounds like you have a loose stud
Nope clockwise to take it off, the three grooves indicate that you'll need to turn the opposite way of a regular screw.
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Rolex uses rare elves to polish the platinum. They have a union deal and make like $90 per hour and get time and half on weekends.
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Old 8 September 2018, 02:02 AM   #9
nboyer
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Bas - I was wondering if the three grooves meant anything. I thought perhaps Rolex was just being fancy . Now I know, thank you for pointing that out. Cheers! -Norm

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Nope clockwise to take it off, the three grooves indicate that you'll need to turn the opposite way of a regular screw.
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Old 8 September 2018, 07:55 AM   #10
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This tool!






Sent from my iPhone using Tapatalk
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Old 4 October 2018, 02:29 AM   #11
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The post should be a tight fit so that it stays where you want it but loose enough to allow the wheel endshake to be adjusted.
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Old 5 October 2018, 12:08 AM   #12
nboyer
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Thanks, Tylden, for the insight. Cheers! -Norm

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The post should be a tight fit so that it stays where you want it but loose enough to allow the wheel endshake to be adjusted.
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