Elgin Running Diagnostics

Discussion in 'Watch Repair' started by spiro13, Apr 26, 2015.

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  1. spiro13

    spiro13 Registered User

    Jun 10, 2010
    109
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    Hi

    I have a Elgin grade 460 movement. It has been cleaned and oiled and a new #6095 alloy mainspring installed. The Timegrapher numbers are: Amp - 240deg., Beat Error - 1.3 and running appx. 3min. slow with the regulator on full fast. I would appreciate suggestions as to what to look for to get the movement to run better.

    Thank you,

    Tony

    PERSHING.jpg

    BALANCE SIDE.jpg
     
  2. psfred

    psfred Registered User

    Sep 25, 2009
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    Check the poise on the balance, and verify that at room temperature the balance rim is even at the split -- even if poised, too far out will make the watch very slow.

    And look for timing washers under the screws on the balance -- not impossible someone "fixed" a set mainspring by slowing the balance down....

    Peter
     
  3. Skutt50

    Skutt50 Registered User

    Mar 14, 2008
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    Gothenburg
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    You also should check the adjustment pin(s). If they are gaped to much the watch will run slow.
     
  4. spiro13

    spiro13 Registered User

    Jun 10, 2010
    109
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    Thanks much for the suggestions.

    Tony
     

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