hydraulic steering

Hey Everyone, I have a Cooper 353 pilothouse. Both helm pumps are Wagner Engineering B1s. I’m trying to understand if both pumps need to be connected via a return line of some sort. I see a third line exiting the top of my inside helm but nothing like this connected to the outside helm. I’m not...

Not my boat but researching for a fellow mariner... On the hydraulic pump there are two bolts on either side of the unit, they may be fill plugs, one of which is leaking. The O-rings need to be replaced, any information would be helpful. 1. are they fill plugs? 2. any info on O-ring sizes...