Okay, I'll admit that I watched it without audio while watching TV, but didn't they end without reinstalling the bearings? Who cares if you insect and regrease if you don't put the trailer back together?
The Dexter Axle
maintenance manual clearly explains how to repack - and reinstall - bearings.
1979 Boler B1700RGH, pulled by 2004 Toyota Sienna LE 2WD
Information is good. Lack of information is not so good, but misinformation is much worse. Check facts, and apply common sense liberally.
STATUS: No longer active in forum.