Done it! If anyone else ever has to do this, when you get the 10mm nut off, the plastic top with the tab that goes into the metal flap to lock the top of the box, has to be levered out as it seems that the locktite used to secure the nut sticks the threaded part of the barrel into the plastic part. ...

Yea, I've tried that. The bit at the back wont come off the end of the barrel.
I'm starting to think maybe the locktite used to hold the nut is holding the barrel in.

I'd looked at that. He starts from the point where he had the barrel and the insert out. I need to get the barrel out 1st. In fact, I can leave the insert in, even though it comes as a complete unit, I need to get the metal barrel out from the lock to replace it...

I did Google, but the ones I found didn't show the removal of the barrel, just a warning about not loosing the ballbearing inside.

The URL got truncated, so you can only see the one picture. I will put some pictures from my phone on FB and post a link back here.

I have Givi Trekker panniers and top box, and I want to change the barrel on the top box to use the same key as for the panniers. I've managed to get the lock assembly off and removed the nut from the back of the barrel, but the barrel wont move from inside the assembly. If you look at the link, You...

I'm interested.

Might be worth looking at this link.
The couple might have a few ideas that may help.
http://www.c90adventures.co.uk/

Auction sniper, and its like, I'm sorry but they ruined the idea of an auction, in my opinion (let's not get into the problems they cause in 'real' share markets, eh?) because, if I bid, I want to bid. If there's a sniper on, I might as well give up now because someone, somewhere, will set it to the...