I thank the three of you for the advice! Sorry for the delay- the weekend got full of I-don't-know-what.
Roland, I will surely look at the adjustments outlined in the service manual. That looks like exactly what I need. They are very specific about the ft lbs it should take to move that lever! When I'm done, and if it still drifts a little, well thats fine. But it's drifting a lot. I will soon try to make the adjustments and will write back with results