It's time to restore the 11/45.

[Sean Caron]

Indeed, thank you; I don't follow it closely and I probably would have been
caught short when stocks ran down. Guess it's time to go and pick up a case
or two down at the home store... I needed to make a light bulb run anyway,
LOL.

Best,

Sean


On Thu, Feb 5, 2015 at 4:45 PM, Jacob Ritorto <jacob.ritorto at gmail.com>
wrote:

> excellent information - thanks!
>
> On Thu, Feb 5, 2015 at 4:38 PM, Tothwolf <tothwolf at concentric.net> wrote:
>
> > On Wed, 4 Feb 2015, Jacob Ritorto wrote:
> >
> >> On Wed, Feb 4, 2015 at 10:00 PM, Jon Elson <elson at pico-systems.com>
> >> wrote:
> >>
> >>>
> >>> The 11/45 has a row of little step-down regulator modules, all plugged
> >>> in with those horrible AMP Mate-n-Lock connectors.  We often had bad
> >>> contacts on those and they would sometimes burn the connector housings
> or
> >>> char the ends of the wires.  That was all about 1980, I can't imagine
> >>> they've improved with age.  I think you may have more trouble with
> these
> >>> than anything else in the machine.
> >>>
> >>
> >> I wonder if spraying out with crc contact cleaner and a nice slathering
> >> of dielectric grease would help.
> >>
> >
> > Never use silicone (dielectric) grease anywhere near this sort of stuff.
> > Western Electric / AT&T learned the hard way back in the day when the
> stuff
> > damaged switch and relay contacts in their telephone switches. On the
> other
> > hand, something like Sanchem A-Special would be fine, although a little
> > messy. (And before someone asks, no, A-Special is not anything at all
> like
> > that nasty "Noalox" zinc particle garbage from Ideal Industries...totally
> > different product families and applications.)
> >
> > The main issue with AMP Mate-n-lock connectors (and similar pin and
> socket
> > connectors from Molex) is the use of tin plated spring brass contacts
> > instead of tin plated beryllium copper contacts. Spring brass contacts
> are
> > not rated for very much current compared to beryllium copper contacts,
> but
> > manufacturers tend to buy whatever is cheapest. I've successfully used
> both
> > types of contacts for years without issues and haven't (yet) had the
> > catastrophic failures some people have described. If I use these type of
> > connectors for power though, I use beryllium copper contacts.
> >
>