[MRCA] AN/GRC-106 Stator Assembly

[MilComm Guy]

Are you talking about the contact on the drum or the contact on the
rectangular contact holder that mounts on that angled piece next to the
drum ?

On Fri, Feb 7, 2020 at 11:49 AM B. Smith <smithab11 at comcast.net> wrote:

> Surplus Sales (Nebraska) has a good selection of fingerstock. Fair radio
> also has several selections.
> https://www.surplussales.com/RF/RFFingerstk-1.html
> Z
>
>
> https://www.surplussales.com/RF/RFFingerstk-1.html
>
> On 2/7/2020 9:43 AM, Ray Fantini wrote:
>
> Have been working on several AN/GRC-106 set up for a friend. Have a couple
> of the amplifier assemblies that have had failures of the Frequency Stator
> Assembly, that’s the block next to the PA tubes that makes contact between
> the rotor and the output tank. On at least two of the amplifiers they have
> burnt away the fingers that contacted the plate tank and this looks like it
> may be a high failure rate item.
>
> Most 106 amplifiers that I have worked on in the past usually have the
> stuck servo motors in the ATU or simple problems but I have seen junk sets
> with burnt fingers before.
>
> So the question is dose anyone out there have a stash of GRC-106 parts?
> The Frequency Stator Assembly has a number on it 502019 and 80063 along
> with P/O 502000 and it’s the same numbers on both units I have that are
> damaged.
>
> Another question is has anyone ever repaired the finger contacts or
> swapped the contacts on the block before? It appears that maybe if
> necessary you can strip fingers from the lower stack and use them to
> replace the one that burns off on the plate line.
>
> The finger stock appears to be stuffed into a slot and held in place with
> some sort of glue, maybe epoxy?
>
> These two amplifiers with the blown fingers will be about the tenth or so
> that I have been put together, been running a GRC-106 in the mutt for about
> five years now and am just about getting to the level of Depo service on
> them. The more of these sets I can get going the better.
>
>
>
> Ray F/KA3EKH
>
>
>
>
>
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