Originally Posted by T37Chef
My bad, one of the primary reasons I selected Harken was no need to lube it, just spray once and a while with fresh water. I just assumed all Harkens, older models even, were the same.
This link to the instructions for the MK4 unit has lubrication instructions on page 31. Not too different than those for my MK2 unit except mine suggest using WD40. I suspect McLube wasn't available then.