[GreenKeys] M28 Troubleshooting Question

[David Christ]

Do you have 60 ma loop current going through the selector magnet?

David


On May 3, 2013, at 11:59 AM, Cory Heisterkamp wrote:

> Hi guys,
> 
> So I'm in the process of bringing a (new to me) 28 back into service after several years storage. This week I've managed to degrease the keyboard/base and the typing unit, and have lubed them according to the books. Everything appears to move freely.
> 
> What I'm seeing when 'hand powering' the typing unit is a series of spaces until it reaches the end of the platen. Is this normal or should the printing mechanism 'jump' in place? I can force a Car Ret by faking out the codebars during rotation.
> 
> When the TU is on the KB/base and I power the motor directly, I get the same result (obviously) along with a jumping 'Keyboard Lock' key. 
> 
> Is this normal? Anything obvious I should check?
> 
> Thanks,
> Cory Heisterkamp
> ______________________________________________________________
> GreenKeys mailing list
> Home: http://mailman.qth.net/mailman/listinfo/greenkeys
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:GreenKeys at mailman.qth.net
> 
> 2002-to-present greenkeys archive: http://mailman.qth.net/pipermail/greenkeys/
> 1998-to-2001 greenkeys archive: http://mailman.qth.net/archive/greenkeys/greenkeys.html
> Randy Guttery's 2001-to-2009 GreenKeys Search Tool: http://comcents.com/tty/greenkeyssearch.html
> 
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html