If the adjustment doesn't work as intended, you might try to
reverse the coil connections....could be that the armature
has become magnetized over time.
Charlie, N0TT
On Wed, 10 Sep 2008 19:23:45 -0400 "N3XX" <n3xx@charter.net> writes:
> Hope someone on the list can help with information about a vacuum
> relay I
> have. I'm working on getting an LK-800 amp back in good working
> condition,
> and one of the problems it has is a T/R vacuum relay that won't go
> back to
> receive after transmitting. If I tap on the relay, it does go back
> to
> receive. The relay is a Jennings RJ1A-26S. On this relay is a
> screw that
> looks as if it is for adjustment, but I don't know what it adjusts.
> I'm
> guessing it has to be either contact spacing or spring tension. I
> hope it's
> for spring tension, and by adjusting this screw I can put a little
> more
> tension on the spring, and it will return to receive when finished
> transmitting.
> Just thought I would check here and see if someone knows what the
> screw is
> for before I start turning it, not knowing what it is supposed to
> do.
> Thanks for any info.
>
> 73,
> Tim - N3XX
>
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