packing

Looking for assistance, changing out my risers and I see a line goes from riser to shaft as if I have a mechanical seal. I have packing glands and am wondering if I need to hook up the line from the riser to the shaft, for that matter why is the line even there. I could understand if it was a...

Hello all. Anyone ever repack rudder stuffing box while in the water? 1995 Sundancer 330. Is it possible to do? We are a month or so away from putting it up for the winter. It can probably wait, but the bilge runs more often than I would like. Any pictures and instructions would be greatly...