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Title: Collins 75A2 Band Selector Alignment Post by: Carl WA1KPD on January 01, 2020, 07:16:44 PM My 75A2 band selector drum was way off alignment- It was in the blank area of the dial and would not move with the switch.
Opening it up, I discovered that the string/fishing wire had slipped of the drum on the bandswitch. I replaced it and now the entire thing is out by about ½ a band. Do I adjust it with the set screw on the bandswitch pully, or the setscrews on the drum (hidden I think by a large spiral spring). The manual is mute on the issue and a Google search did not help. TIA Carl Title: Re: Collins 75A2 Band Selector Alignment Post by: WBear2GCR on January 02, 2020, 10:19:47 PM Setscrew on the drum is what I have done...
iirc, there is a section on stringing the front panel dial cord in the manual, but I don't know exactly what it says or calls for. Title: Re: Collins 75A2 Band Selector Alignment Post by: MikeKE0ZUinkcmo on January 02, 2020, 10:58:14 PM ^^^^^^^^
What He said. Title: Re: Collins 75A2 Band Selector Alignment Post by: Carl WA1KPD on January 03, 2020, 01:28:32 AM Thank you both! AMfone - Dedicated to Amplitude Modulation on the Amateur Radio Bands
Carl |