Nick,

To loosen the shorting bar set screws, carefully heat the shorting bar with a propane torch.  As the aluminum expands, the set screw will free.  Use an allen wrench to maintain mild torque on the set screw as the shorting block is heated.

Good luck.

73 - Paul - W2HRO 






On Mon, Dec 25, 2023 at 8:09 AM nick via AMSAT-BB <amsat-bb@amsat.org> wrote:

I am trying to refurbish my M^2  antenna and the se screws on the shorting bar  are frozen. Any suggestions how to free up the set screws?

 

 

 

 

 

 

nick

 

Cell      337 258 2527

 

Helping UL become a world Class Engineering  and Educational School

Disagree I Learn

 

 


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