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HP 1741A oscilloscope - restoration project
factory:
--- Quote from: electronix27 on August 09, 2024, 11:34:13 pm ---
Hi everyone, bit late to the party here. Just picked up an HP 1740A, and enjoyed reading this post. There are a few circuit issues but the CRT is in great condition. Figured I’d start with a good cleaning. Bit stumped on how to remove the sweep dial from the shaft. Appears to be a small C clip on the notched shaft or maybe something I’m missing. Appreciate your help.
Much Thanks
--- End quote ---
Those counting dials are used on a few HP scopes & plug-ins, it needs a special tool for the nut, the alternate is to make one, as I did.
David
electronix27:
Thank you sir. I suspected this may be the case, but have not seen this on a potentiometer. A tremendous help knowing, I’ll have to make one like yours.
Much appreciated
Russell
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