I have an original Century Hawk. I have recently converted it to CCPM. I
have a Futaba 9C, set up for "SR3" swash plate, as the instructions detail
for this particular style of swash plate.

My problem is, when I get light on the skids, it tries to roll right, and
pitch forward. Once the thing is hovering, it hovers hands off.

Has anybody seen this before? It didn't do this before the CCPM conversion,
or the change over from the T6XH to the 9C.

Anybody?

Sounds like you may have some interaction happening.

Check to be sure that all servos arms are parrallel to the level swashplate when at midstick and that all three servos have the same amount of movement up and down (you will have to adjust your ATV's on each servo for this.

I am assuming that you are using three of the same make and type of servo on each point.

P.S. a good place to go for advice on the Century helicopters is to the special Century helicopter forum here on RCU or in RunRyder.