[GreenKeys] Model 14 component ID

[Eric Moore]

Thanks Jim! I have isolated the running open issue to the stop arm on the
main shaft being broken.

I do not suppose anyone has a replacement? I need to read the schematics
and find a part number.

-Eric

On Sun, Apr 23, 2023, 8:37 PM Jim Cooper <jim.w2jc at gmail.com> wrote:

> On 23 Apr 2023 at 17:36, Eric Moore wrote:
>
> > Because the stop pawl is not being caught, the FPR runs open.
>
> When problems are encountered with the selector magnet
> not causing code bars to select, one can manually test the
> sequence of opeations by turning off the motor, disconnect
> the local loop, and turn the motor IN THE PROPER
> DIRECTION by hand ...  hold the selector magnet IN by
> hand as you rotate the motor.  As you turn the motor, the
> main shaft should come to rest and no action in the selector
> swords, bars, etc. should be happening.
>
> As you turn the motor, release the selector magnet and the
> main shaft should begin to turn ...  press the sel. magnet
> armature back in and the main shaft should complete one
> revolution and 'disengage' again.
>
> To debug code selection, if you have a keyboard on the FPR
> you can then connect the local loop with the kbd and the
> selector magnet in series.  Turn the motor by hand and
> press a key on the keyboard.  Because everything is run off
> the motor, the kbd contacts and code bar selections will
> be 'synchronized' as you turn the motor by hand.  So press
> the R key on the keyboard as you rotate the motor by hand.
>
> The kbd will begin to open and close its contacts, thus
> opening and closing the local loop which will in turn release
> and pull in the selector magnet, which will then cause the
> selector swords to operate the code bars -- all in "slow
> motion" as you watch the mechanical movements.  If
> something is jammer or sluggish, you will probably be able to
> SEE what is not working properly.
>
> Repeat by pressing Y to shift all the code bars to the
> opposition positions.
>
> w2jc
>
> btw, my impression of  all that extra 'stuff' with the
> magnets and gear was for some sort of tape feedout...
> nothing to base that impression on except suspicion!
>
> I thought you might have fun figuring out the tangled
> mess of cables and connector and gears.   ;))
>
>
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