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Actually all it would take is something to slip over the installation anvil to make it a concave support and it could then be used for both installation and removal.
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20X is strong enough. will you show picture of hairspring and end stones. there usually are two little screws that hold end stone plate down, just drop the cock in coca-cola let soak for 20 to 40 hrs, you would need to dress a screwdriver blade for perfect fit in slot of the two little screws then lay the cock on a bench, press screw driver balde with a little force into the slot of screws and unscrew em, they opens with incredable ease when soaked in coke. Check, clean, peg if you can, lube and reinstall end stones, let us see a close up of jewels. End shake is your free axial play on balance staff, so use an oiler to lift balance wheel, you should see an axial free play, ideally .02mm is good. In case you see no end shake, you can shim up or gauge the cock to create some end shake. Check if impulse jewel is damaged or loose and it has to be way out of adjustmemt not to continue running. Keep us posted please.
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By HectorLooi · Posted
This is my China made case tube extractor. The pin presses the case against a teflon support. In compression mode, it's less likely to distort the case. Is it possible to configure your tool to compress from the inside of the case? -
Afternoon all, I’ve just ordered a crystal press and a replacement crystal for a friends watch, the crystal was all cracked and fell to pieces when pressed from the inside. The gasket is still intact and seated in place and I plan to re-use it. However, am I best to leave the gasket in-situ and press the new crystal in to it, or do I remove the gasket and loosely seat in on the bezel along with the crystal then press them both in to place?. Thanks
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I can't see any other way to use it and its design definitely points to this mode of operation. The pin has a flat registration edge to it. which shows where it's supposed to be and how it fits on the frame. in extraction mode... and installation mode. And the fixed anvils are both curved to fit the inside of the case. Installation mode.. and extraction mode. I don't see any potential issues with the design in installation mode as the case is supported on the same side that the installation effort is applied. I can see that in extraction mode by having the anvil supporting the case on the opposite side to the case tube the case is subjected to a certain amount of tension, and with a delicate case this could cause distortion, but the convex shape of the anvil and its location in respect to the pin clearly indicates to me that this is its intended MO. I guess it would depend on just how firmly the tube fits in the case as to whether or not it would cause any problems. I would agree though that a better design would have been to replicate the arrangement used in installation mode such that the anvil and the pin were on the same side of the case, with a concave face to the anvil so that it fit the outside curve of the case to support it as the tube is presed out from the inside. All that being said I have used it on a fair number of cases now with no issues.
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