Don't matter what you do with it, it won't row up cleanly. Myself, Lely dealer and Lely rep spent two hours trying to prove otherwise!
Meanwhile a Haybob on another tractor had rowed up the rest of the field as clean as a whistle ready for baling.
The 600 Combi is not a bad machine, but it will never ever rake as clean as a Haybob.
I like to see a haybob rake grass up