[R-390] Wanted: Detent Spring

Barry n4buq at knology.net
Fri Jul 3 17:19:39 EDT 2026


No, it isn't.  You now know why it wasn't clicking into position properly!

Barry - N4BUQ

> Is it normal for this detent spring to have a “groove” in it where it sits over
> the gear? Or is that just from decades of wear?
> 
> [image/jpeg:image0.jpeg]
> 
> 
> [image/jpeg:image1.jpeg]
> 
> 
> Sent from my iPhone
> 
>> On Jul 3, 2026, at 3:52 PM, Jacques Fortin <jacques.f at videotron.ca> wrote:
>> 
>> For the ones who may asking which "detent spring" Paul is asking about, this is
>> the one that indexes the rotation of the MHz shaft thru the notches in the
>> differential drive when it turns.
>> Meaning, the one in the attached .pdf
>> Paul, it can be bad luck, but I believe that you found why the "detents" were so
>> weak when you turned the MHz shaft.
>> Maybe it was already cracked...
>> 
>> 73, Jacques, VE2JFE in Montreal
>> <05-61-SM-C-178828-SPRING.pdf>
> 
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