[TenTec] Centurion problem

[John]

Joe,

Does this mean you will accept the email without permission  if it is 
simply inane?

John / WA1JG

On 1/6/2013 9:40 PM, k0bx at arrl.net wrote:
> Joe K0BX
>
>   Stop the insanity!
> Please do not add me to any distribution lists (Joke, Stories or Junk) without
> my permission.
>
>
>
>
> ________________________________
> From: Jim Brown <k9yc at audiosystemsgroup.com>
> To: tentec at contesting.com
> Sent: Sun, January 6, 2013 5:56:05 PM
> Subject: Re: [TenTec] Centurion problem
>
> On 1/4/2013 2:08 PM, Doyle wrote:
>> I have been having problem with my receive not returning after transmitting.
>> This also happens using either a TS-590 or Omni VI.
>>
>>       Is it possible to clean the relay contacts in the amp?  Where is the relay
>> located?located.
> It sounds like a vacuum relay going bad. Contacts are not accessible. You
> replace the relay.  Ten Tec is VERY expensive as a source of parts, and as a
> reapir station.  If you have reasonable soldering skills, you can replace the
> relay in an hour or two. You'll need to figure out the manufacturer's part
> number.  Ten Tec used two over the years, KiloVac and Jennings. They are very
> different physically, so you need to figure out which you have. The Jennings is
> an RJ1A, and sort of looks like a stack of nickels with leads on top. The
> KiloVac is long and skinny, with leads along the body.
>
> You also need to know the coil voltage. I don't know the Centurion, but Titans
> use 28Vdc, and the Hercuules II uses 12Vdc.  Look at the schematic to figure out
> what the voltage is for the low voltage power supply.
>
> These relays are widely available in the $75 range, both as "pulls": from
> mdiecal electronics, and new from a company called GigaVac. Alpha now uses
> GigaVac, and I've been using them for about five years.  GigaVac will sell them
> direct to hams at a discount, about $75, and you can also buy them from a
> dealer, Max Gain Systems.
>
> 73, Jim K9YC
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