A fruitfull evening

[E. Groenenberg]

On Tue, April 12, 2016 23:55, Christian Gauger-Cosgrove wrote:
> On 12 April 2016 at 15:55, E. Groenenberg <ed at groenenberg.net> wrote:
>> First thing I did was to replace the gooed up rubber hammer, only to
>> find out that my replacements were also starting to deteriorate :(
>> (but still stiff enough to be usable for some print test).
>> I can either use a piece of hose or one of those little self adhesive
>> rubber feet.
>>
> So, first thing's first, I'll going to provide you with this link the
> the GreenKeys mailing list. They know pretty much everything about
> Teletype machines, and more importantly one of the list members there
> has started making reproduction/replacements for the old Teletype
> print hammers. <http://mailman.qth.net/mailman/listinfo/greenkeys>
>
> Don't go with the adhesive rubber foot, it'll fly off and either hit
> you, or lodge in the mechanism and you'll have a bad time. Rubber hose
> is the best, unless you decide to buy a new hammer.
>
>
>> Only thing what does not work yet is that the paper reader does not
>> start
>> when I flip the switch to the 'start' position (it is a 3 position
>> switch).
>> Any ideas how to make this work?
>>
> If it has the DEC LT33 modifications, which might be the case if it
> used to be part of a DEC system, or was similarly modified by other
> manufacturers it will have a reader run relay, which can be triggered
> on the DLV11-K. I don't have the pinouts to hand to tell you exactly
> which one. If the reader run relay isn't energized the reader won't
> run; it's how the computer did flow control when using the reader.
>

I know of the Greenkeys list, I joined them 2 weeks ago. I'm going to
look for a proper hose in a few days.
I remember that I used some years go one of those rubber feet, and it did
work well but then I bought some parts from nc.com (when they did stock
much more than today), and acquired a few original rubber hammer pads.
But all the pads I have have become useless now due to gooeing.

It does not have the LT33 modification, although I have seen one once.
That punchread mechanism had an extra position.
My machine is a more or less 'standard' ASR33.

I was not aware of the possible reproduction of rubber hammer pads, I
certainly would be interested in some.


Ed
--
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