Since another post revived this particular sub-topic...
Originally Posted by onetim
I bought a nylon lubricating pad for it on my way back to New England after realizing that there should probably be some kind of lubrication between the metal-metal contact. I'm not sure why Escape or the hitch shop in Chilliwack didn't mention that.
It might not have been mentioned because it is not required. Although some lubrication is needed, the standard is to use grease.
Those plastic lube plates are popular with RV owners (not commercial operators), and they do make sense to me because they are cleaner than grease... just make sure that it is not too thick, because that would cause the groove in the pin to not properly align with the jaw(s) in the hitch. They seem to be typically nylon, come in 12" and 10" diameter, and from 1/8" to 1/4" thick.