[GreenKeys] AN/FGC-80 & SCM 311

[Pete Lancashire]

Search on Google for "Cork Gasket"  still used and quite cheap.

On Sun, Dec 27, 2015 at 7:56 PM, Clay Archer <clay at archerservices.com>
wrote:

> Encouraged by finding the manual on bitsavers for the SCM-311 I decided to
> have another look at it this weekend.   I found that the carriage return
> clutch was jammed.   I pulled apart the clutch and found the clutch pad  (a
> cork-like material) had become sticky, balled up and disintegrated.   I
> cleaned up the sticky residue off of the metal parts, and removed what was
> left of three cork washers that probably act as shock absorbers on the back
> of the clutch plate and carriage return drum.
>
>
>
> I will need to replace the clutch plate “cork” pad.   Does anyone know of
> a source of this material?    The clutch plate “cork” pad  is shaped like a
>  washer 1.5 inch OD, 1.125” ID, and about .05” thick and is glued to the
> clutch plate.   I could cut one out of a sheet of cork (or rubber?) if I
> could find the right material and the correct thickness.
>
>
> The manual on Bitsavers doesn’t show the detail for this clutch.   In the
> exploded view on page 4D-032 it sits inside the carriage return drum (19)
> and pulls against the pulley (22) when the clutch coil is energized.     It
> may be an integral part of the carriage return drum (“pulley” p/n 66028A)
> which I did find by googling and came up with:   NSN P/N 5815007287077,
> 66028A, PULLEY, 82423, KLEINSCHMIDT INC which would lead me to believe
> there may be some stock in a military warehouse somewhere….
>
> I’ll probably have better luck trying to repair rather than replace this
> part unless anyone in the group knows a source.   Helpful advice would be
> appreciated.
>
> Clay
>
>
>
> *From:* GreenKeys [mailto:greenkeys-bounces at mailman.qth.net] *On Behalf
> Of *Clay Archer
> *Sent:* Thursday, December 24, 2015 12:24 PM
> *To:* greenkeys at mailman.qth.net
> *Subject:* Re: [GreenKeys] AN/FGC-80 & SCM 311
>
>
>
> I have the RO model.   I picked it up about 1980 from a guy that gave me a
> truck load of stuff.   I pulled it out of storage a couple years ago and
> cleaned it up (mouse nest) to see what I could do with it.  At the time I
> wasn’t able to find a manual so I traced out the boards and found 6 data
> lines and the strobe on the interface but wasn’t able to make it print.
> After going through my storage I found what looks like a serial interface
> with a UART chip that I believe goes with this printer.   I don’t know if
> the previous owner ever got it working, but now that I have the service
> manual I think I’ll give it a try.   Any advice would be appreciated.
>
> Clay
>
>
>
>
>
> *From:* GreenKeys [mailto:greenkeys-bounces at mailman.qth.net
> <greenkeys-bounces at mailman.qth.net>] *On Behalf Of *zeke 440
> *Sent:* Wednesday, December 23, 2015 12:14 PM
> *To:* greenkeys at mailman.qth.net
> *Subject:* [GreenKeys] AN/FGC-80 & SCM 311
>
>
>
> ran into this by accident.  Does anyone remember it?
>
>
> I forgot SCM made the latter "Klienschmidt"
> I worked on several of these in a "sensitive" Comm station in the late
> 70's
>
> http://www.smecc.org/an_fgc-80.htm
>
>
>
>  *Andy*
>
>
>
>
>
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