L.A.B. said:.....then tap the stem upwards with a mallet or hammer and wood block, the yokes should then come off fairly easily.
The head bearings are a sealed *ball* bearing type, these bearings cannot be adjusted, the tightness of the lower stem nut does not affect bearing adjustment.
That is what I needed to know. Thanks! I removed the nut and washer from the yoke assembly but I didn't want to start bashing at things before I asked you guys.
Thanks again.