Raising avis adjusters

I've just had some csp avis adjusters welded into my link pin beam. Just put everything back together. I had the adjusters in about halfway position when assembling as it was easy to get top arms on past the bump stops.

Looking to keep running my stock 4inch wheels with my new Continental 165/80s, so looking to raise suspension to have about 25 to 30mm drop. However I can't seem to raise it! I thinks the top arms resting on the bump stops when car is on stands/jack with wheels off the ground is stopping any more movement of the adjusters upwards.

Any tips, or should I just take of the spindles, adjust the beam and then reassemble?

Thanks
Richard