Hynautic H50 Repair & Bleeding

These steering systems can be tricky to repair and bleed, some have gone so far to say that it can’t be done without extensive training and experience.

I’m not convinced that is exactly true. Have a look at my video and determine if this is a task you feel comfortable tackling. If you came here from the video, look down a little lower for the bleeding instructions and exploded diagram!

8 Comments on “Hynautic H50 Repair & Bleeding”

  1. Rebuilding a Hynautic H50 Hydraulic steering helm, All new seals, No more leaks!

    Thank you for the nice video.
    I replaced the seals and reassembled the unit. No Leaks. Bled the system.
    The wheel will turn the ruder to the right, but will not turn the rudder to the left?

    Help Please
    Alan

    1. Hi Alan!
      Does the wheel turn smoothly in both directions? or does it bind up turning to the left?
      I had a miserable time bleeding the system this helm came from, I had to bleed each helm (there was 2 on this boat), as well as the cylinder and all the lines, it took several attempts going through the bleeding instructions before it would cooperate.

  2. I am having that trouble. It will go to left when the bleeder valves on the reservoir are closed but free wheels to the right? I had no problem before I changed the seal kit and have even replaced the upper helm steering with Sea star conversion. Going to check the that the hoses are correct tomorrow.

    1. There is likely a little entrapped air, it took me forever to get this system bled, I thought I was done, and I had to re do both helms several more times because of the fluid I lost while rebuilding the helm.

  3. Hi Jarod,
    Thanks for the video it was very clear and easy to follow. However, we neglected to make any alignment marks and rather than have the two Xs to line up to, I understand we have an E and an X. Just wondering if you have any suggestions for how we can figure out the alignment?

    Thank you,
    Jacqueline

    1. I’ll have to look at the spare helm I’ve got sitting here, I’m not sure I’ve seen an E marked and not an X, perhaps it is a derivative or has been repaired before or something, Either way, I’ll take a peek at this helm of mine and see what I can see, hopefully find something useful for you!

    1. Maybe, it may just end up pushing oil out of the other helm, but in theory, I’m not sure in practice, but in theory the check valves should keep the oil where it needs to be, but I would be incredibly careful just in case those check valves don’t hold and you end up losing steering while under way.

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