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Old 10-09-2018, 07:30 AM   #1
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steering wheel jumps

I have hydraulic steering. The wheel seems to "jump". It doesn't impact steerage but it's a little unsettling. It's the same, at the dock or underway.
Any usual cause??
Many thanks, as always
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Old 10-09-2018, 08:20 AM   #2
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Sounds like air in the system that needs to be bled out.
Have you tried bleeding?
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Old 10-09-2018, 10:25 AM   #3
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I agree, air. Bleeding isn't particularly difficult; requires two people and a little patience.

Best if one of you has experience. When I installed my autopilot, I had the assistance of my son the avionics technician, but the actual process is pretty simple.
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Old 10-09-2018, 11:09 AM   #4
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I agree, air. Bleeding isn't particularly difficult; requires two people and a little patience.

Best if one of you has experience. When I installed my autopilot, I had the assistance of my son the avionics technician, but the actual process is pretty simple.
Interesting - I have never had any help bleeding my steering systems.
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Old 10-09-2018, 11:11 AM   #5
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I can be done alone, I've done it, the marina techs do it.
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Old 10-09-2018, 11:29 AM   #6
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Interesting - I have never had any help bleeding my steering systems.
Yes. I could have been more clear. My system has three pumps and one reservoir/filler. Hard to exercise the system while adding fluid.
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Old 10-09-2018, 11:38 AM   #7
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Yes. I could have been more clear. My system has three pumps and one reservoir/filler. Hard to exercise the system while adding fluid.
We have always had two stations with autopilot and one reservoir- a hynautic system.
I have rebuilt a half dozen of the steering station pumps and bled the systems over the years while on a mooring ball with no help.
Here is a good link on how to rebuild the pumps with another good link at the bottom on how to bleed the system.

Hydraulic Helm Rebuild
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Old 10-09-2018, 11:51 AM   #8
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Okay, okay! We're just going to have to accept the possibility that you guys are better at this than I.
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Old 10-10-2018, 11:11 AM   #9
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Air in line

Thank you one and all for the info, especially the link. I'll try it over the weekend
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