I had to tear apart an FTS1200 that had a broken Dewar. I had trouble getting it apart because that red rubber sheet was bonded to the glass of the Dewar and the oven. Since the Dewar was smashed anyway, I was able to dig the oscillator out by smashing the Dewar even more.

You might be able to slide something like a feeler guage down between the oven and the rubber blanket to break the oscillator free. The oven on mine is a plain metal cylinder. This way, the rubber sheet should protect the Dewar from your feeler guage. On mine, the mounting bolts for the 2N3792 transistor both have ground lugs. I think I see them on yours. You could hook something through the ground lugs and use that to pull the oscillator out of the rubber sheet and then remove the sheet later.


On 2016-09-21 9:46 AM, time-nuts-requ...@febo.com wrote:
Date: Tue, 20 Sep 2016 16:42:40 -0700
From: Christopher Hoover<c...@murgatroid.com>
To: Discussion of precise time and frequency measurement
Subject: Re: [time-nuts] Inside of FT1200-100
Content-Type: text/plain; charset=UTF-8

I'm in.


But the EFC wire goes deeper, so I'll keep at it.   It is fighting me the
whole way.

-- Christopher
73 de AI6KG

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