[Heathkit] SB-300 receiver repair

[Greg Mijal]

Another source for this problem could be a warped Khz readout wheel.
If you cannot reposition the wheel on the shaft to clear the bind you can 
shim the front panel forward with round washer placed on the screws that 
hold the front panel on.
73's
Greg
WA7LYO
Kinston NC
----- Original Message ----- 
From: "Glen Zook" <gzook at yahoo.com>
To: <heathkit at mailman.qth.net>; <tymekeepz at aol.com>
Sent: Tuesday, December 01, 2009 12:01 PM
Subject: Re: [Heathkit] SB-300 receiver repair


>I had an LMO do a similar thing.  Basically, the lubricant had hardened on 
>the "fingers" that "pile up" as you turn the dial.  Cleaned them with WD-40 
>and the problem went away.
>
> Glen, K9STH
>
> Website:  http://k9sth.com
>
>
> --- On Tue, 12/1/09, tymekeepz at aol.com <tymekeepz at aol.com> wrote:
>
> I am restoring a Heath SB-300 receiver and have found that the tuning dial 
> hits a mechanical stop at 350 KHz instead of covering the rated 500KHz 
> segment of the selected band. The part number for the LMO on the schematic 
> is 110-13 but my LMO is a 110-32. Could someone tell me the models that 
> the 110-32 is designed for and if the 350 KHz range can be expanded? I 
> might also be interested in purchasing a 110-13 if the 110-32 can not be 
> modified.
>
>
>
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