I'll try and get some closeups posted but until then I think I can tell you....maybe:

The bell hiller head adds two pitch levers to each side of the head block. these arms (probably some tech term..but) have a long side and short side with the fulcrum in the center attached to the head block. These act as pitch levers and the long corse threaded metel linkage arms go from the balls on the long side of the pitch levers to opposite sides of the swash plate. the short linkages (no metel or threads) go from the short side of the arms to the ball links on the blade grips. the long stock blade cp linkages go from the flybar control frame to the swash just like stock except the ball link for the new frame (bigger to fit the new pitch levers) are on the inside instead of the outside.

make all the threaded linkages equal length and instal before pinning the head to the main shaft (I found it easier to install all ball links to the head first). When tracking the blades, disconnect the links from the swash, not the head because the new pitch levers are rather delicate. I didn't break one or anything but don't want you to either. In any case it seemed easier to get to the swash ball & link for adjusting.

....hope that helps.

Only pics I have right now I posted earlier in this thread....here: http://www.rcuniverse.com/forum/m_30...37/key_/tm.htm