HP-21MX bootstrapping?

[Roy J. Tellason]

On Saturday 23 February 2008 20:45, Chuck Guzis wrote:
> On 23 Feb 2008 at 18:30, J. David Bryan wrote:
> > I'll second that.  With an arbor press and mandrels designed for to
> > receive the connector halves, it goes together easily.  If you have to
> > use Vise- Grips, it's quite difficult.  A bench vise with smooth jaw
> > faces is a bit better if you do things slowly and carefully and ensure
> > that the parts and the cable line up correctly as you squeeze them
> > together.  It takes quite a bit of force to punch through 50 conductors
> > simultaneously.
>
> Even a cheapie hand press, such as Jameco 73252 (Hanlong IDC Crimping
> Tool) at $16 will pay for itself in connections not botched.  The
> problem with a Vise-Grip or any sort of pliers is that the jaws move
> in an arc, meaning that one side gets more pressure than the other.
> Unless you're very careful, you can end up bending some of the pins.

I have a pair here,  I just looked at 'em,  and the only markings I see that 
would indicate a model or part number say "6SP" -- and the nifty thing is 
that they have pads on the ends of the jaws that swivel,  so that with proper 
adjustment they'd do exactly the job needed.   :-)

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