[Hammarlund] SP-600 Whazzat!

Thu, 1 Jan 2004 16:42:21 -0600

Where's the Trichlor when you need it!

Cecil...
----- Original Message ----- 
From: <[email protected]>
To: <[email protected]>; <[email protected]>;
<[email protected]>
Sent: Thursday, January 01, 2004 10:30 AM
Subject: Re: [Hammarlund] SP-600 Whazzat!

> That would be my guess Al. I've seen the usual attempts at a fix, rubber
> bands, o-rings too. Most all problems are caused by someone putting oil or
grease
> on the gears and it slopping onto the friction idler and the edge of the
> logging dial. I use alcohol and clean everything real good, for extreme
cases, I
> have used ammonia (yeah, I know some say it will cause problems with the
brass)
> but, never experienced any problems. The cure is to get it clean and dry!
>
> Les Locklear
> SP-600 Historian
> http://www.hammarlund.info/
>
>
>
> In a message dated 1/1/2004 9:58:33 AM Central Standard Time,
> [email protected] writes:
> Hi Andy,
>     I'd suspect that it was some unhappy owner with a lathe who did it,
> rather than the factory.
>     You and Les together have probably seen more SP-600's than anyone in
> recent history.  If Les hasn't ever seen one, and this is the first one
> you've seen, it's probably one of a kind.  I've seen a few SP-600's too,
> but not a plastic idler.  I think I've heard of attempts to "fix" the
> problem by putting a rubber tire on the wheel, or some such  (didn't work
> long, if at all).  The contact pressure at that point is extremely high
> due to the wedge effect.
>     I hope the rains out in your area aren't causing slides.
> 73,  happy new year,
> Al, W8UT
> New Bern, NC
> BoatAnchors appreciated here
> http://www.thecompendium.net/radio/
> http://www.hammarlund.info
>
> ----- Original Message ----- 
> From: "James A. (Andy) Moorer" <[email protected]>
> Arright, folks, this is a new one on me:
> You know the little grooved brass wheel that goes between the big weighted
> brass wheel on the tuning shaft and the vernier dial? It is about the size
> of a very thick quarter and slides on a small shaft affixed to the front
> panel.
>
> Well, I got a receiver where that wheel is plastic! Not just plastic, but
> soft plastic, like 50's baby dolls were made of. It is *exactly* the same
> shape and size of the original brass wheel, down to the beveled edges.
>
> Anybody ever see or hear of anything like that?
>
> I hypothesize that they got so many complaints about the brass wheel
> slipping that they tried a plastic one, but probably quickly discovered
> that
> the plastic one wears out quickly and went back to brass.
>
> The one I have is so worn that it couldn't turn anything.
>
> James A. (Andy) Moorer
> www.jamminpower.com
>
>
> (by the way, Happy New Year!)
>
>
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