[HBR] Caution when changing coils

Bill Cromwell wrcromwell at gmail.com
Thu Jun 10 13:50:04 EDT 2010


Hi,

I usually include - "don't ask me how I know this".

73,

Bill  KU8H


On Thu, 2010-06-10 at 10:06 -0700, Lorne Barber wrote:
> There probably is a story as to how you found this out?
> 7 3 
> Lorne
> ve7box  (HBR 13, HBR 12)
> 
> ----- Original Message ----- 
> From: <W6ph at aol.com>
> To: <hbr at mailman.qth.net>
> Sent: Thursday, June 10, 2010 9:45 AM
> Subject: [HBR] Caution when changing coils
> 
> 
> >I have never seen this caution printed anywhere.  If you are going to 
> > change the
> > plug in coils in the HBR, be sure that the B plus is turned to standby.  
> > The L2
> > coil has 250 VDC on the primary winding going to the first stage RF 
> > amplifier.
> > It is probably pretty obvious but sometimes obvious things slip by us.
> > 
> >                                     Kurt, W6PH  (HBR-13C)
> > 
> > 
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