[R-390] Geartrain Alignment Question

[Barry]

...and page 153 of TM 11-856A Technical Manual give me a procedure.  Looks
like I'll be able to figure this one out.

Barry(III) - N4BUQ

----- Original Message -----
From: "Barry" <N4BUQ at aol.com>
To: <r-390 at mailman.qth.net>
Sent: Saturday, March 12, 2005 8:15 AM
Subject: Re: [R-390] Geartrain Alignment Question


> Joe Foley pointed me in the right direction.  On page 112 of the TM
> 11-5820-358-35 Field & Depot Maint Manual, it shows the position of the
> "intermittent switch drive".  Not too absolutely clear as to how to verify
> it's set right, but it gets me in the ballpark.
>
> Thanks!
>
> Barry(III) - N4BUQ
>
> ----- Original Message -----
> From: "Barry" <N4BUQ at aol.com>
> To: <r-390 at mailman.qth.net>
> Sent: Friday, March 11, 2005 10:26 PM
> Subject: [R-390] Geartrain Alignment Question
>
>
> > As soon as I get the replacement gear clamp, I'm ready to begin aligning
> the
> > gears and cams; however, I realize there's something I'm not sure how to
> do.
> >
> > There is a relationship between the Geneva drive and the 7.000+ position
> on
> > the cams.  I don't know how to determine this.  I assume that when
> > approaching the 7.000+ position, the Geneva drive's gearteeth are in a
> > certain orientation.  In other words, it has most likely just clicked
the
> > bandswitch gear just before or just after the 7.000+ position.  The gear
> > teeth on the Geneva drive are intermittent and do not click the
bandswitch
> > between every band and there is some correlation between it and the
7.000+
> > position, I just don't know what it is.
> >
> > I have Scott's CD that illustrates the rebuilding steps and it goes into
> > detail about setting the actual bandswitch with respect to the 7.000+
> > position, but it doesn't mention the relationship between that position
> and
> > the Geneva drive.
> >
> > Can someone help me out here?  Hopefully I'm being clear with the
> question.
> >
> > Thanks,
> >
> > Barry(III) - N4BUQ
> >
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