[Boatanchors] [Milsurplus] BC-348-J BFO Help Needed (Corrected)

[Mike Bracey]

 Hi Joe,
I'm surprised that you found metric set screws on a WWII vintage receiver. Do you suspect that they had been replaced at some point in time?
73, Mike Bracey

    On Monday, January 7, 2019, 12:56:14 PM CST, Joe Connor via Boatanchors <boatanchors at mailman.qth.net> wrote:  
 
  Thanks for the help. The problem is now solved.
The BFO was off frequency. The military manual that I have is silent on how to adjust the BFO frequency, but there is a way. You have to remove the BFO knob because the front of the case contains a stop mechanism that allows the BFO knob to rotate only a certain distance. With the knob off, you can turn the shaft on the BFO transformer farther. This enabled me to bring it within frequency. 
By the way, the knobs on this receiver are fastened with hex-head screws that require a metric key. I learned this after failing with standard and Bristol keys. 
Again, thanks.
                                   Joe Connor
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