[Hallicrafters] Help with mechanical analysis

[Duane Fischer, W8DBF]

Please pst the reply to the list so all can benefit! Thanks -

----- Original Message ----- 
From: "John King" <k5pgw at yahoo.com>
To: <Hallicrafters at mailman.qth.net>
Sent: Thursday, December 30, 2010 9:32 AM
Subject: [Hallicrafters] Help with mechanical analysis


> Now recapped, my SX100 works very well. Problem left is a mechanical one. 
> The
> problem is in the steel band spread dial "cord"/cable.
>
> There is no slack in the band spread dial cord/cable when tuning from low
> frequency to high frequency end of dial. However, when starting to tune 
> from
> high frequency to low frequency there is an immediate SLACK that develops 
> in the
> steel dial cord/cable. This makes tuning SSB very SLOPPY. The bandspread 
> tunes
> SSB well when turning the bandspread knob upward  in frequency and the 
> slop is
> there when tuning downward in frequency. This looseness was observed when 
> tuning
> down in freq because of the sloppy tuning that makes bringing in a SSB 
> clearly
> very difficult.
>
> My request is whether anyone has experienced looseness in the metal 
> bandspread
> dial cord/cable in the SX100. If so how did you tighten it up to remove 
> the
> slack?
>
> If you have time and don't mind and if you have an SX 100, would you 
> please look
> at your metal bandspread dial cord/cable and see if you can figure out how 
> to
> snug up the dial cord/cable without destroying it. This slack problem 
> needs to
> be eliminated so I can complete the refurbishing of my receiver and get it 
> back
> into the cabinet and off the bench. Your assistance will be greatly 
> appreciated.
> Thanks and 73, John, K5PGW
>
>
>
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