On Feb 28, 2009, at 2:39 PM, Doug McNutt wrote:
>
> At 13:53 -0500 2/28/09, Charles Davis wrote:
> -- Some important caveats about adjusting tools.
>
> I'd like to add one more:
>
> Those hexagonal adjustment tools that fit into adjustable ferrite
> cores in wound inductors, the horizontal control on an SE/30 is one
> of them, can crack the ferrite if you're not careful.
>
> Plastic tools will bend a bit but beryllium or ceramic tools will
> allow you to apply too much force especially of there is a drop of
> glue holding the core in place.
>
> It's also important to avoid magnetic materials for the hex tool. An
> "Allen" wrench might fit but the magnetic iron it's made of will
> affect the performance while it's in the core and make it impossible
> to make the adjustment.
>
The exception being, the extremely slow and frustratingly 'fiddly' -
[But doable in emergencies] method of (1)figuring out the direction
that the slug needs to turn, inserting the "metal" allen wrench,
turning the estimated amount, removing the 'allen wrench', observing
results, {back to (1) as needed. ---- one or two efforts this way,
and you WILL find a way to get the proper tools.
Chuck D.
> --
>
> --> From the U S of A, the only socialist country that refuses to
> admit it. <--
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