[R-390] Need R-390A Iron Core Slug

[Glenn Little WB4UIV]

The oil can cause the paper coil former to swell, possibly jamming the slug.
It could also possibly cause a breakdown of the wire insulation.
A better lubricant would be dry lock lubricant or talcum powder.

73
Glenn
WB4UIV


At 08:52 PM 8/2/2009, ToddRoberts2001 at aol.com wrote:
>In a message dated 8/2/2009 4:27:48 P.M. Eastern  Daylight Time,
>k5mbx at hug-a-bug.com writes:
>
>How does one go about getting  the
>bottom end of the old core out?
>Thanks, Charlie Hugg,  K5MBX
>
>__________________________________________
>
>You  could try using a toothpick with a small drop of
>super-glue or quick-set  epoxy on the end. Carefully
>place the end of the toothpick on the middle of  the top
>of the broken slug, let the glue dry, then pull the broken
>slug  out. If the slug broke cleanly you might be able to
>glue it back together  with a tiny bit of super-glue.
>
>Spread a little bit of oil around the  inside of the paper
>slug tube in the RF transformer to help prevent the  slug
>sticking in the future before replacing the slug in the  rack
>assembly.
>
>Worth a try.
>73 - Todd WD4NGG
>
>
>
>
>
>
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