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Keyless work fix [Part 1: 6497]

Discussion in 'The 6497/6498' started by Wiz, Feb 28, 2013.

  1. Wiz

    Wiz Well-Known Member  

    Joined:
    Aug 9, 2009
    Messages:
    6,791
    Location:
    EU
    Here is a little guide on how to fix a jammed keyless work on your 6497.

    There already are many turorials on the internet on how to open the case, remove the dial, ..., so we’ll start once all of this is done.

    Here is what you should now be looking at.

    [​IMG]

    Most keyless work issues are caused either because a part is broken, or because the yoke that is supposed to sit in a groove is not sitting there anymore.

    The left arrow shows the groove, and the right arrow shows the yoke. As you can see, on this example the lever is out of the groove, and the movement is experiencing a keyless work malfunction.

    [​IMG]

    Start by removing the screw of the setting lever jumper and the setting lever jumper itself.

    [​IMG]

    [​IMG]

    Be carefull while removing the yoke spring, it tends to jump quite easily. Hold it with a stick while you grab it with your tweezers.

    [​IMG]

    [​IMG]

    Now you can clearly see the yoke out of its groove.

    [​IMG]

    Remove the yoke.

    [​IMG]

    Push the sliding pinnion back against the winding pinnion.

    [​IMG]

    Now return the movement and unscrew the setting lever screw.

    [​IMG]

    The following part (the setting lever) will fall off. Make sure it’s not damaged, cracked, ....

    [​IMG]

    Then replace the setting lever, hold it with a stick and screw from behind.

    [​IMG]

    Setting lever back in place.

    [​IMG]

    Replace the yoke, properly positionned in the grove of the sliding pinion.

    [​IMG]

    Replace the yoke spring. Use your stick to maintain the round part while you install the tips with your tweezers.

    [​IMG]

    [​IMG]

    Put the setting lever jumper back in place. To be sure it’s correctly positionned, look at the 3 red arrows.

    [​IMG]

    Replace the setting lever jumper screw, and it’s all done!

    [​IMG]
     
  2. co-axial

    co-axial Fore!<br /><br /><img src="http://fs2.directupload      

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    Thanks Wiz!

    Easy to do with this guidance (done this myself often enough).
     
  3. Devo Dan

    Devo Dan Well-Known Member  

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    Awesome!
     
  4. numero2

    numero2 Well-Known Member  

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    Good works as usually. It Will help the communauty.
    Thanks.
     
  5. Brunik

    Brunik Well-Known Member  

    Joined:
    Sep 26, 2012
    Messages:
    57
    Greaat job

    Enviado desde mi GT-I9300 usando Tapatalk 2
     
  6. DirtyHarry62

    DirtyHarry62 Active Member  

    Joined:
    Nov 2, 2012
    Messages:
    44
    Thank you for the tutorial. Great pics, simple and clear explanations, truly helpful for those of us trying to learn more.
     
  7. swedesoc

    swedesoc Well-Known Member  

    Joined:
    Mar 1, 2013
    Messages:
    61
    Thank you for the great post!
     
  8. bc1221

    bc1221 Well-Known Member  

    Joined:
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    i learned this the hard way yesterday.
    its good to know that i can fix a keyless works on a 6497 though.

    i think that damn spring went flying across the room a few times :lol: