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90 dial drive mechanism repair
#2

I fixed it; I found an old hollow tuning shaft (to use as a bushing) in my assorted junk (probably a shaft from one of those late 40s Zenith sets), which had a quarter-inch I.D. I slid it over the tuning shaft, and carefully centered the shaft over the original hole. I used a fine-point Sharpie marker to draw a circle around the new bushing, and reamed/filed the bracket to the diameter of the bushing. I then pressed it into place and soldered it, trimming the new bushing to about one-quarter inch or so. The dial was then reassembled, and the mechanism was oiled. It now works perfectly, and should be good for another 74 years.

Tim KA3JRT


Messages In This Thread
90 dial drive mechanism repair - by Tim Tress - 12-01-2005, 11:16 PM
[No subject] - by Tim Tress - 12-06-2005, 12:52 AM
[No subject] - by Chuck Schwark - 12-06-2005, 12:58 AM



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