[GreenKeys] Model 15 help

[ken Schwieker]

Had the same problem with a model 14 reperf recently.  The clutch 
member was gummed up and stuck to the shaft. Oiled and gently pried 
on it until it was loose. Worked fine after the "fix".

Ken S


At 02:51 PM 1/23/2016, you wrote:
>Hi All,
>
>I am trying to restore a model 15 and I've run into an obstacle.  I'm
>hoping that someone here can offer some advice and the benefit of
>their experience.
>
>I can turn the motor by hand and confirm that the selector mechanism
>is working correctly: it samples the state of the selector mag and
>transfers that to the vanes for printing, and it also moves the
>"clutch stop arm" to initiate the printing cycle (screenshots from a
>Teletype Bulletin 144 attached).
>
>However, the print cycle is not happening.  The reason is that the
>"driven clutch member" fails to engage with the "driving clutch
>member".  Even though the clutch stop arm retracts, the driven clutch
>member does not move and the "teeth" between it and the driving clutch
>member don't come into contact, so the printing bail cam doesn't turn,
>and nothing happens.
>
>I can't seem to move it (the driven clutch member) left/right by hand;
>maybe there is something caught in there between the teeth, but no way
>to see that.  It seems like the next step will be to remove and
>perhaps replace the main shaft assembly, but that seems kind of
>daunting.
>
>I would speculate that this may have been the failure that took this
>unit out of service.  Any suggestions or advice would certainly be
>appreciated.  Thanks.
>
>Henry Eck
>N3AX