vertical tracking angle

Does anyone know how to adjust the verticle tracking angle on an old grace 747 tonearm? I just replaced my old dynavector cartridge (karat 19a) with a new karat17dmkII and at present it appears that the arm is not parallel with the record (e.g. the tonearm is slightly higher at the cartridge end) Thus I need to raise the tonearm at the pivot end or raise the cartridge at the cartridge end.) Given that I've spent a good amount of time aligning the cartridge in other respects, I think it would be easier to raise the tonearm at the pivot end. The rest of the rig is an old luxman pd 300 and the grace tonearm. I'm the original owner and they are both in great shape. Unfortunately, I can't find the owner's manual and don't want to fool with it too much. I would really appreciate any guidance you guys could give me. As I live on a small rock in the middle of the caribbean, I have no local audio shops which I can turn to for help.

Thanks - Scott