[R-390] Geartrain Alignment Question

[Barry]

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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