techy: soldering Vamo v5 top cap

[2risky]

I'm trying to replace my duff Vamo V2 top cap with a V5 top cap like this here
www.stealthvape.co.uk/vamo-top-cap?filter_name=vamo%20top%20cap

It looks like it will fit OK.
Unfortunately the vendor (Rob) is ill and his wife isn't techy.

The problem I am having is soldering the wire onto the centre pin. With a V2 cap it's a matter of pulling the pin out of the body so the pin can get hot enough to take the solder joint. With this new cap design I have tried gently pushing the pin out, it doesn't want to budge, but I don't want to get rough with it until I know it's meant to come out. I can't solder it with the pin in place inside the cap because the heat drains away too fast and even high lead solder won't stick. I have used lashings of flux to no avail.

Anyone know if the V5 pin comes out? If so, how?
Am I just being pathetic?
I don't want to break anything.
Assume please that I am capable of basic soldering.

Should this be in tips tricks etc, sorry if so.

[Super-Shiny]

This thread here might help: allaboute-cigarettes.proboards.com/thread/23046/vamo-top-replace-guide-needed?page=1&scrollTo=428153

Or here: www.e-cigarette-forum.com/forum/vamo/484751-vamo-v5-v2-head-replacement.html

[2risky]

Thanks very much for those.
I did some web searching, but i haven't found anyone with this specific problem.
Lots of stuff about how to get the old cap off, which isn't a problem.
The only thing I need to know is how to join the white wire to the centre pin.
For that, it would be useful to know whether the centre pin is supposed to come out of the body or remain fixed. It doesn't shift with strong finger pressure which is why I suspect it's not meant to be removed, but then I can't get a solder joint. Catch 22.

The alternative is that I will keep getting more and more violent with the centre pin until either something breaks or it pops out.

edit: it came out when I pushed it hard with a screwdriver. panic over.

[Super-Shiny]

Center pins get pushed out from under the cap and should pop out quite easily if the wire has been de-soldered off.

Also when soldering a new wire to it, it's best to give the part you are going to solder a bit of a rough sand with sandpaper for the solder to get a better grip to it and maybe put some heatshrink over the connection to make sure nothing touches anything.

[2risky]

It's working now with the new cap.
It's easy enough to get the centre pin soldered as long as it isn't inside the cap.
Grateful for your advice.

[Super-Shiny]

Glad you got it sorted 2risky