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Old 11-03-2013, 02:41 AM   #1
Rswett's Avatar
City: Portland Maine
Country: Us
Vessel Model: Ta Chiao CT 35
Join Date: Sep 2013
Posts: 16
Steering help

I have a dual helm, Wagner 700 hydraulic steering system on my Ta Chiao 35 with twins. The boat is new to me and was out of the water for 8 years. After reinstalling the fly bridge (removed for transport) i had a hard time bleeding the system. After checking the steering ram (piston) i found it was leaking. I am looking for info on rebuilding the steering ram. I understand that Wagner is no longer in business however, I am unsure if parts are available? Could a local hydraulic shop reseal this or are the orings universal?

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Old 11-03-2013, 06:37 AM   #2
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Vessel Model: Ontario Yachts Great Lakes 33
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If the cylinder is leaking at the shaft seal it is likely not an o-ring, it is more than likely a U cup or lip seal but having said that most hydraulic seals are common and likely your local hydraulic shop can rebuild it for you or give you the kit required. They will want to know what kind of fluid you are using so that the seal material is compatible. Good luck!

Allan & Ann
If your floatin' your boatin'!!!
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Old 11-03-2013, 10:40 PM   #3
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Some of these cylinder seals are just an 'o' ring. I have an old Wagner with the 7" stroke x 1.25" piston. The seals were all 'o'rings. It works because the pressures are low and the speeds are low. I resealed mine about 20 yrs ago after it was 15-18 years old.

They are quite simple. If there is more to it simply take it to the hydraulic shop. If there is a u cup they will have it. but I'll bet it is just 'o' rings.
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Old 11-03-2013, 11:23 PM   #4
City: Anacortes Washington
Country: U.S.A.
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Vessel Model: 42-ft. Camano Offshore
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Hi The seals could be dry . Paul Wagner's son is still around (auto-nav)he could tell you a good shop. Any good hyd shop should be able to fix it. If it is a "t" ram you might check the barrel bolts aren't lose 4 of them on each one. It happens from time to time. Also salt deposits on the shaft can roughen up the finish on the shaft.
Also you should have a valve in line cross over between rams so you could use emergy steering tiller it helps when trying to remove air in the system you have just worked on. If you don't have one you should think about it.
Thanks Don
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Old 06-28-2014, 11:00 PM   #5
City: gautier ms
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How did you go about replacing the O rings? I have a 700 series Wagner that is leaking in the steering shaft.
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Old 06-29-2014, 03:48 AM   #6
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City: Portland Maine
Country: Us
Vessel Model: Ta Chiao CT 35
Join Date: Sep 2013
Posts: 16
I had the Wagner 700 ram rebuilt by northeast hydraulics in kittery Maine and it works great with no leaks. I think they charged $130. I didn't have them do the steering station unit yet but they said they could do those as well. My upper station is leaking a little so I will have them rebuild it at the end of the season. Good luck Jerry and let me know how you make out.

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