[wetdog]

OFM I have done loads of them (they used to use them on ground equiptment at UAL) the best trick I can pass on is to make dummy bearings out of your old ones by taking a sanding wheel to the inside of the bearing until it slides on without having to press it on .
The other thing is to make a simple tool to hold the yoke because it takes alot of torque to loosen and tighten...WD