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Seastar Hydraulic Steering problem

Old 11-28-2020, 09:14 PM
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Default Seastar Hydraulic Steering problem

I have a Seastar Hydraulic steering helm and outboard cylinder. Cylinder is HC5345. Problem is when I turn the steering wheel my outboard does not turn. I have bleed both sides to where no bubbles. Opened each single bleeder valve to ensure it is pumping fluid, and there is. Not to sure what the issue is. I can easily push my outboard each way. Seals on the outboard cylinder have just been replaced. Any help greatly appreciated.
Old 11-28-2020, 09:44 PM
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Steering arm disconnected?
No enough pressure?
Seals or valves in the helm are bad or stuck?
Old 11-28-2020, 10:05 PM
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Originally Posted by aplusmiami View Post
Steering arm disconnected?
No enough pressure?
Seals or valves in the helm are bad or stuck?


Steering arm is connected. How do I check pressure? How Do I know if my seals in the helm are bad?
Old 11-28-2020, 10:47 PM
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I would lean towards sludge in the helm and or valve stuck open. Rebuild the helm it is not difficult. Also how old is everything, what size motor and what fluid are you using? Does the helm stop (Hard over) or does it just turn and turn. You could potentially have a big air bubble but you would see some response so..... not sure.
Old 11-28-2020, 10:49 PM
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The ram would show outward leaking if the seals where bad.
Old 11-28-2020, 10:57 PM
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Originally Posted by aplusmiami View Post
The ram would show outward leaking if the seals where bad.

sent u a dm
Old 11-30-2020, 09:39 AM
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Having a similar problem. Mine will turn to starboard, but not to port. Wheel will just keep spinning if I turn to port. Curious is you figured this out?
Old 12-02-2020, 03:37 PM
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If you can push your motor back and forth you still have air in your system most likely. Typically after a bleed you can shake your motor and check. You want no more that 3/8 of an inch of play.
Old 12-02-2020, 03:41 PM
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Originally Posted by rathershort View Post
Having a similar problem. Mine will turn to starboard, but not to port. Wheel will just keep spinning if I turn to port. Curious is you figured this out?
You should hit a "wall' when turning hard port or starboard. Best thing to do is verify what cubic inch helm you have then count your lock to lock turns. 2.0 Helm is 4.2 turns, 1.7 Helm is 4.9 turns, and 1.4 Helm in 5.9 turns. Once you verify all of that it should tell you if there is air in the system or not.
Old 12-02-2020, 06:53 PM
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It does sound like air in the system to have absolutely no response. Try to bleed the system again and continue to push fluid through the bleeder longer than you think you need to. Could be a lot of air in the helm pump. If done properly, when you begin to tighten the bleeder fitting, the cylinder should move and be impossible to stop the movement.

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