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Old 29th Oct 2020, 4:50 pm   #4
Craig Sawyers
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Join Date: Nov 2010
Location: Oxford, UK.
Posts: 3,121
Default Re: AVO Electronic Test Meter - getting the case off.

That is the classic AVO knob. Fitted to the Mk3, Mk4, CT160 valve testers, and the transistor testers too. And also - as you have just found - the Electronic Testmeter.

I have got the pins out when needed by using a pair of pliers to push the pin flush with one side of the shaft. Then grab the long end in the same pair of pliers and pull. Or alternatively at that stage a suitable diameter punch (or drill bit) and tap it out the remaining way.

Remember that AVO fitted those pins after assembly in the first place!

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