Etienne Guest Nov 15, 2005 #1 On the my 1480 grooved sleeves have a greasing device which prolongs the life of the sleeves
big_orange Guest Nov 15, 2005 #2 Silver combines have had greasable couplers for ever.Sure saves the splines.
mech1 Guest Nov 19, 2005 #3 usually the shafts don't wear the couplers do if you put on new couplers that would take away some wear
usually the shafts don't wear the couplers do if you put on new couplers that would take away some wear