Hynautic Steering Leak

Author Message   MMantell Visitor Posted on Sunday, May 28, 2006 - 07:32 am:    My 1989 Hynautic H-50 started leaking from the helm shaft. Can I change the seals myself or should I sent the unit out for repair?   Sleeper Visitor Posted on Sunday, June 04, 2006 - 08:37 am:    I haven't done this, but everything I read makes it sound very simple. There is a dealer on Ebay that sells the kits for about $20. I believe they include the instructions.   MMantell Visitor Posted on Tuesday, June 06, 2006 - 02:07 pm:    Thanks for responding I found the seal kit locally, and installed it with no problems. When I put the helm unit back in the bar, I can't get the air out of the system. I followed the directions to a tee, and even tried a few tricks recomended by others. still no luck.   Sleeper Visitor Posted on Wednesday, June 07, 2006 - 08:17 pm:    What type of set-up do you have? I am assuming you have the H-50, and a reservalve, how many engines and steering cylinders?   GusH50 Visitor Posted on Thursday, June 08, 2006 - 12:55 pm:    Does anybody have an H-50 hynautic helm,or even just the housing.   GusH50 Visitor Posted on Thursday, June 08, 2006 - 12:57 pm:    Does anybody have an H-50 hynautic helm,or even just the housing. If you do, fourarrow@hotmail.com   MMantell Visitor Posted on Thursday, June 08, 2006 - 08:31 pm:    I have the H-50 with a reservalve and a K-10 ram assy for a single outboard. The reservalve is not holding pressure, so I have to find the leak. I don't think it is the air in the system that is causing the pressure to drop. And I still do not have any steering.   Sleeper Visitor Posted on Thursday, June 08, 2006 - 09:33 pm:    I'm sure you know the drill. Reservalve is to be filled 3/4 of the way. Pump pressure up to about 30 pounds, etc. Are you saying that when you do this, the pressure is not holding? Any evidence of leaks at the helm, any of the fittings, or the ram? This will make the second time I have repaired mine. I followed Hynautic's instructions: You open the relief valves on the lower front of the reservalve, maintain fluid and pressure, then turn the wheel slowly 60 times in one direction. You then reverse, 60 times in the other direction. On my boat, I also had to bleed the steering cylinders. They have bleed screws, but had to be removed so that they could be angled up to get all of the air out. The only time mine would not hold pressure was when one of the steering cylinders was leaking. Of course, you could clearly see the oil comming out at the seal. I guess logically, the only way it can lose pressure is if it has an oil leak, or an air leak. If it is an oil leak somewhere, you should be able to find drips at fittings, lines, or seals where the problem exits. If you have no evidence of oil leaking, and it will not hold pressure, I would suspect the O-ring on the plug, or the shraeder fill valve on the top of the reservalve. The kid's bubble soap works great here. Use an old paint brush and generously paint some around the plug and valve. The bubbles will tell it all.   Joe Eagle Visitor Posted on Friday, April 04, 2008 - 11:36 pm:    While installing new seals in my H-50 helm I noticed 2 of the 9 pins around the inside of the case are longer than the other 7. They seem to interfere with the assembly of the plastic ball cage. What gives with that? Anyone know?   1983mainship Visitor Posted on Friday, May 02, 2008 - 08:16 pm:    I am working on a hynautic reservalve. When opening one of the purging screws, the screw sheared off. Anyone know if I can just replace this pin or do I have to replace the whole $550 unit? I was thinking about trying to drill it out or dremel out a flat spot for a screw driver. There is stil a bit of it sticking out. HELP

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