[R-390] Removing Megacycle Change shaft

Barry n4buq at knology.net
Fri Jul 10 09:53:11 EDT 2026


It's on my Windows machine with a Chrome browser.  I think there's a clickable item at the top of some of the newer posts that I think can cause it to display the AI stuff; however, when I started the GMail session this morning to read new messages, the first one in this thread automatically displayed a rather long "AI overview" of the "conversation".  I find that somewhat annoying and would rather not see the "noise".

Thanks,
Barry - N4BUQ

> Hi Barry, on what ?
> A iPhone ?
> Jack14 iPhone 16e
> 
> Le 10 juill. 2026 à 09:23, Barry Scott via R-390 <r-390 at mailman.qth.net> a écrit
> :
> 
>Is there any way to turn off the AI summary at the top of the messages?
> 
> Thanks,
> Barry - N4BUQ
> 
> 
> On Tue, Jul 7, 2026 at 8:28 AM rochep--- via R-390 <r-390 at mailman.qth.net>
> wrote:
> 
>> Awesome!! Will be a miracle if I get this thing back together again and
>> working! (Like it was before I ripped it apart to replace a MHz gear clamp
>> that would have been EASY to replace if I knew the clamp was on the
>> outside!)
>> 
>> Paul
>> 
>> From: Jacques Fortin <jacques.f at videotron.ca>
>> Date: Tuesday, July 7, 2026 at 9:24 AM
>> To: rochep at comcast.net <rochep at comcast.net>; r-390 at mailman.qth.net <
>> r-390 at mailman.qth.net>
>> Subject: RE: [R-390] Removing Megacycle Change shaft
>> 
>> Hello Paul,
>> 1_ Clamp faces OUT.
>> 2_ MHz gear mates with the INNER gear of the differential.
>> 
>> See pictures.
>> 
>> 73, Jacques, VE2JFE in Montreal
>> 
>> A quick question for gear re-assemblers. For the MHZ gear (on MHZ shaft)
>> Chapter 10 of manual says the clamp faces IN when assembling (page 10-15)
>> but another section of Chapter 10 shows the clamp facing OUT. Chapter
>> 6.3.19 also says the MHZ gear clamp faces OUT.
>> I ask because when the clamp is facing IN I am unable to merge the gear
>> with the INNER gear of that big “differential assembly” (which uses the
>> detent spring).  Regardless of clamp in or clamp out, does the MHZ gear
>> merge with the OUTERMOST gear of that differential assembly (as does that
>> small gear just above the MHZ gear) or does the MHz gear merge with the
>> INNER gear of the differential assembly? It looks to be inner from the
>> pictures, but hard to tell for sure.
>> Paul
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