[GreenKeys] Salvaged Bell System 28

[zeke440 .]

Teletype Corp had a Muffin Fan  field modification kit.

 

The heat problem is probably not the function box switches...

its for the electronics package in the base... lots of heat in descreet

applications...




 

 Andy 


 

> From: wa2hwj at att.net
> To: larryradio at att.net; jhhaynes at earthlink.net
> Date: Sat, 11 Jul 2009 09:53:41 -0500
> CC: greenKeys at mailman.qth.net
> Subject: Re: [GreenKeys] Salvaged Bell System 28
> 
> Very stange...I've seen 28's that were too hot to touch and they
> ran fine...never saw a fan in one of them.
> 
> 
> 
> -----Original Message-----
> From: greenkeys-bounces at mailman.qth.net
> [mailto:greenkeys-bounces at mailman.qth.net] On Behalf Of
> larryradio at att.net
> Sent: Friday, July 10, 2009 8:42 PM
> To: Jim Haynes
> Cc: greenKeys at mailman.qth.net
> Subject: Re: [GreenKeys] Salvaged Bell System 28
> 
> Yes Jim,.....it sez New Jersey Bell Telephone in orange on the base
> and the 
> drawings are unique to NJBT engineering....not ATT numbers on them.
> 
> Someone cut a 4 inch dia. hole in the right side and installed a
> muffin fan. 
> I took out the fan an put a stainless plate over the hole. I learned
> a 
> lesson....leaving the machine on for a few hours, the motor got the
> inside 
> very hot and the codes from the stunt box, ZA FX and RZ failed to
> operate 
> the magnet that unblinds the printer.....it just got way too hot
> inside. In 
> the morning, after being off all nite, the codes worked just fine
> again. I 
> think I have to put the fan back in.
> 
> lar
> ----- Original Message ----- 
> From: "Jim Haynes" <jhhaynes at earthlink.net>
> To: "Larry Tighe" <larryradio at worldnet.att.net>
> Cc: <greenKeys at mailman.qth.net>
> Sent: Friday, July 10, 2009 9:24 PM
> Subject: Re: [GreenKeys] Salvaged Bell System 28
> 
> 
> > Believe you said this was a former police machine? Teletype made a 
> > switching system called TASP that was used mostly by police
> departments,
> > I think. Something for them to buy direct rather than lease through
> > Bell. I don't know how many were made. And then what you have
> could have
> > been some Bell System offering. I guess the documents in the bottom
> > of the cabinet will reveal that. And the presence of the 43A1
> carrier
> > terminal suggests a Bell offering.
> >
> > 
> 
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