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    Re: AN-5851-1 Repair
    From: Dave Harwood
    Date: 2011 Nov 28, 09:55 +0000


    After reading your posts, I think I’ll take your recommendation and just clean up the optics.  I don’t see any trouble with correcting for this error with simple arithmetic.  I frequently fly with my restored units and I would rather have an accurate counter and not take the risk involved with any disassembly further than necessary.  I’ll post my results as soon as I have a chance to take it up.

    Thank you for your time and advice!

    Dave Harwood

    From: gregrudzinski@yahoo.com
    To: NavList@fer3.com
    Date: Sun, 27 Nov 2011 20:38:06 -0800
    Subject: [NavList] Re: AN-5851-1 Repair

    After disassembling the horizon prism on my Navy MK 5 today there were some difficulties getting everything back together and lined up (four adjustment screws) so I do not recommend adjusting the horizon prism unless it is necessary. One more suggestion is to clean all the lenses, prisms, and filterers while everything is uncovered and apart.
    Greg Rudzinski
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