[ARC5] ARC-5 Screws

J. Forster jfor at quikus.com
Sat Mar 10 13:11:56 EST 2012


> What this means is that any part that must be removed for routine service
> is
> held on with nickle-plate (I thought that plating was cadmium) screws,
> whereas those parts that are not normally removed are held with black
> screws.

I think Cd plating was used on steel and Nickel on brass, but I don't know
why. It might be a plating compatability issue.

[snip]

>> What doesn't make sense is why so many of these damned little screws
>> were used at all.
>
> Well, **I** think they are pretty in that use! Makes it look somewhat like
> a
> riveted boiler on a steam engine or the rivets in an airplane. :-)

Well, I'm guessing, but #2-56 might be too easy to overtorque and be
inadequate to hold the capacitors and  magnetics under vibration. It makes
a lot of sense from the manufacturing and service perspective to use
essentially the same screws everywhere. The color coding is a nice
reeminder, but not functionally essential.

YMMV,

-John

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