[GreenKeys] Model 28 - Top edges of letters barely visible

[Jack Hart]

Great!



-----Original Message-----
From: N4BE_Jim [mailto:N4BE_Jim at Yahoo.com] 
Sent: Friday, July 4, 2014 2:52 PM
To: Jack Hart
Cc: <greenkeys at mailman.qth.net>
Subject: Re: Model 28 - Top edges of letters barely visible

Thanks Jack.  Turns out the bottom tab on the type box was improperly
inserted (jammed) into its clip by a previous owner, bending the clip.  The
clip is what is tilted by the adjusting screw you mentioned.  Straightened
the clip and it prints ok now.

Jim N4BE

Sent from my iPad

> On Jul 4, 2014, at 11:27 AM, "Jack Hart" <wa2hwj at att.net> wrote:
> 
> Jim,
> 
> There's a small set-screw below the typebox that adjusts the "tilt" of 
> the typebox against the platen. Give it a tweak. Usually, this 
> adjustment is never touched...but, platen wear could call for the tweak.
> Also, make sure the typebox is OK...clean and lubricated.
> Not to be mentioned, but worth it...check the ribbon, too!
> 
> 73,
> Jack K0TTY
> NNNN
> 
> -----Original Message-----
> From: GreenKeys [mailto:greenkeys-bounces at mailman.qth.net] On Behalf 
> Of N4BE_Jim via GreenKeys
> Sent: Tuesday, June 24, 2014 10:14 PM
> To: greenkeys at mailman.qth.net
> Subject: [GreenKeys] Model 28 - Top edges of letters barely visible
> 
> I have a 28 KSR I am refurbishing, and its printing on a loop, but the 
> top half of all characters is faded or not visible.  New ribbon. 
> Cleaned the type box.  I've increased the hammer spring tension 
> adjustment, it gave me a bit more of the tops but mostly just made the 
> bottoms darker.  I slow motioned the machine by turning the motor by 
> hand and the hammer strikes perfectly horizontally but it appears to 
> be striking toward the tops of the plungers.  Is there some kind of
vertical alignment adjustment?
> 
> I have read about platens hardening with age.  Hopefully thats not the 
> problem.
> 
> Thanks,
> Jim
> 
> Sent from my iPad
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