Teflon tape is a lubricant.

Loctite is a brand name applicable to several different types of glue. If you use the glue intended for bearing mounts to secure threaded fasteners, you will have difficulty removing those fasteners. If, on the other hand---------------------------------

When all else fails, please read the instructions.

Now---about that yoke falling out. I suspect you'll find it's not an uncommon issue for those who don't bother with the screw which secures it.

Ralph Tremaine