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.
On Wed, 10 Sep 2008 19:23:45 -0400 "N3XX" <email@example.com> 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
> 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
> 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.
> 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
> tension on the spring, and it will return to receive when finished
> 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
> Thanks for any info.
> Tim - N3XX
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