--- A Guide: Buying / Modifying / Repairing VOSTOK AMPHIBIA --- - Page 34
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  1. #331
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    Re: --- A Guide: Buying / Modifying / Repairing VOSTOK AMPHIBIA ---

    Could you explain me why do you need the support pinion? Why only the 2414-09? Thanks!


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  2. #332
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    Re: --- A Guide: Buying / Modifying / Repairing VOSTOK AMPHIBIA ---

    Quote Originally Posted by Pizzocan View Post
    Could you explain me why do you need the support pinion? Why only the 2414-09? Thanks!
    You need to have something to provide support to the back of the movement (specifically against the "leaf spring" of the center second pinion).
    Without support, you will bend or even break this spring which is supposed to keep pressure on the center second pinion.
    I believe this tip was specifically aimed at the 2409 and 2414 due to the fact that the automatic winding bridge on the 2415 and 2416 movements will provide support for this spring.
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  3. #333
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    Re: --- A Guide: Buying / Modifying / Repairing VOSTOK AMPHIBIA ---

    .
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    Seconds Hand Pinion Support
    .


    Name:  Sec. Hand Pinion.jpg
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    The Seconds Hand Pinion is supported by a small leaf spring as shown on photo.

    It may be silver or gold (brass).

    When the Seconds Hand is installed, the spring MUST be supported or the downward pressure of the pinion may bend it.


    To repair the spring if it is bent or damaged: remove and straighten it or replace it.

    Applies to:

    2409
    2414


    - 22xx and 24xx Automatics: not necessary: the automatic winding bridge acts as a support
    -- If the automatic winding bridge is removed and the Seconds Hand is installed, the pinion must be supported

    ---------------------------------------


    How To: Support Pinion


    1. a small piece or disc of hard plastic that fits over the leaf spring
    - if a disc: about 10 mm diameter or smaller (it must lie flat and must not sit on protuding screw heads)
    - tape in place: be careful not to touch balance, gears / moving parts


    2.
    remove a dial screw ( or use an extra dial screw) and install it fully nto a tiny hole in a piece of flat, hard plastic
    - place the movement carefully over this screw so that the head of the screw fits into the small space of the head of the leaf spring. Add marks on the plastic to guide you in the future.
    -- you should feel it touching the sides of this space as you gently slide the mechanism slightly back and forth
    It is now centred on the leaf spring
    - the screw head is the perfect diameter and height
    - when a dial screw is removed, the dial will not fall but may become only slightly loose, if at all. Be careful


    3. a non-Vostok specific cylinder style mechanism holder with an adjustable height centre post
    - may be difficult to find such a holder of the correct diameter but there are models with side screws to help hold mechanisms of slightly different diameters. The holder MUST be able to centre the movement over the centre post


    4. Custom made, Vostok specific, cylinder style holder with centre post
    - must be made of non-magnetic metal or plastic
    - the centre post / pin must be correct height to touch the leaf spring without pushing it up too much
    - 3-D printed or turned on a lathe
    - consider selling them: there should be demand
    Last edited by Matt_Bored_O; January 20th, 2019 at 20:54.
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  5. #334
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    Re: --- A Guide: Buying / Modifying / Repairing VOSTOK AMPHIBIA ---

    .
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    Power Reserve: Running Duration


    Vostok specification: 31 hrs.


    24xx Automatics
    : Most owners report 38 - 42 hrs.

    2409 and 2414: fewer reports but similar: 38 - 42 hrs.

    22xx: similar results expected

    - this data applies to movements / mechanisms of good condition and properly lubricated
    -- as a watch ages, the oils become dry or contaminated and the parts wear.
    This often causes the mechanism to run for increasingly shorter periods of time.



    The Soviets often published conservative data for their products. This idea was carried forward to some modern Russian products.
    It was considered more truthful and fair advertising for citizens versus the often exaggerated claims of Western manufacturers.
    Last edited by Matt_Bored_O; January 20th, 2019 at 20:27.
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  6. #335
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    Re: --- A Guide: Buying / Modifying / Repairing VOSTOK AMPHIBIA ---

    [QUOTE=24h;47960317]Just opened the watch up.

    1. Dial washer is still there and intact.
    2. Hour wheel seems to be OK. No broken or misshapen teeth, however, I noticed a scratch on a couple of them. None of this is visible without a microscope though.



    Suggestion action?
    Maybe put everything back together and hope that the gears mesh properly this time around, or would you recommend I find a new hour wheel.
    I'm not sure this on is damaged, other than a couple of small scratches.

    Edit: Good info on the second hands pinion support. At one point I wanted to design a movement holder for Vostok movements, but I need to learn how to properly use the 3D modeling software.
    I have a 3D printer that I might be able to try a couple designs on.
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  7. #336
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    Re: --- A Guide: Buying / Modifying / Repairing VOSTOK AMPHIBIA ---

    Are there any good bezels for amphibia cheaper than Murphy bezel? I have one from am watches but its a little disappointing with how loose it is even after messing with the wire, it's far from as tight as stock bezel. I want one with edge just like Murphy's but wondering if I should really pay as much for it.

  8. #337
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    Re: --- A Guide: Buying / Modifying / Repairing VOSTOK AMPHIBIA ---

    .
    Last edited by 24h; January 26th, 2019 at 22:57.

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  9. #338
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    Re: --- A Guide: Buying / Modifying / Repairing VOSTOK AMPHIBIA ---

    Quote Originally Posted by Mr.Ludwig View Post
    Are there any good bezels for amphibia cheaper than Murphy bezel? I have one from am watches but its a little disappointing with how loose it is even after messing with the wire, it's far from as tight as stock bezel. I want one with edge just like Murphy's but wondering if I should really pay as much for it.
    Have you seen: https://www.dagazwatch.com/apps/webs...s/show/7641454
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  10. #339
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    Re: --- A Guide: Buying / Modifying / Repairing VOSTOK AMPHIBIA ---

    Quote Originally Posted by 24h View Post
    That looks pretty good, thank you

  11. #340
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    I'm in for one for sure!

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