PowerPoles are not fragile, when correctly assembled/soldered. I think there is 
an issue, either with your assembly to the lead or possibly with the units 
mounted on the PCB in the K3 (it has been known to be in the K3).

Although I crimp all mine (well worth getting the West Mountain Radio Deluxe 
crimp tool if your going to use a lot of APPs) I have to use a reasonable force 
to separate them. At least as much as you'd use to separate a molex (ignoring 
the clips of course). They will not separate by accident. The main issue with 
soldering is solder running out the 'pot' onto the blade and preventing a good 
wipe-fit when plugged together.

You can take the contact out of the housing to check it, but it requires a bit 
of care. You need a very small screwdriver (watch-makers), insert it under the 
blade at the front and lift, so the blade comes clear of the spring steel that 
is under the blade. Then pull the lead from the back and it should come apart 
with minor force.
See 
http://www.arrl.org/files/file/Public%20Service/TrainingModules/Technical/Anderson%20powerpole.pdf
 for instructions and good pics.

There is a tool available to do this (see Quicksilver Radio - 
http://qsradio.com/Powerpole%20Insertion%20Tool.jpg).

73 de David, M0XDF (K3 #174, P3 #108)
I'm not associated with Quicksilver other than being a very satisfied customer.

-- 
Always remember, half the people in the world are above average intelligence!

> On 17 Feb 2015, at 14:58, Chris Hallinan <challi...@gmail.com> wrote:
> 
> Hi list,
> 
> I've noticed that almost every time I move my K3, it powers down.  I
> have little doubt it's the power pole connectors.  I soldered them,
> and I'm pretty good with a soldering iron.  It seems to be plugged in
> and fully seated.  But why is it so fragile?  I used the powerpole
> connectors and contacts that came with my K3 kit.
> 
> Has anyone else notice this phenomenon?  Any advice?
> 
> Thanks and 73,
> 
> Chris
> K1AY

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