While running my boat this past weekend I noticed the steering getting sloppy I added fluid and repressurized to get back to the dock. Looked for my leak and the steering cylinder was the culprit. Here is my problem: I had to fly home that evening and was sure the model number was in my documentation (at home). The previous owner ha a comprehensive list of every part on the boat. He must not have ever touched the steering cylinder, because it was not listed. I have the original Hynautic documentation from Trojan. I am sure it is a Hynautic and probably either a K1 or K2. Has anyone rebuilt their steering cylinder on an 11 meter? Which model was it? I really don't want to buy them both for my next trip to my boat. Any help would really be appreciated.
http://www.collegefair.org/11_meter_progress_page.htm
11 meter steering cylinder
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smiller192
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RWS
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Scott gardener completely rebuilt the hynautic system on his 10
Meter
Try a search
Meter
Try a search
1983 10 Meter SOLD after 21 years of adventures
Yanmar diesels
Solid Glass Hull
Woodless Stringers
Full Hull Liner
Survived Andrew Cat 5,Eye of Charley Cat 4, & Irma Cat 2
Trojan International Website: http://trojanboat.com/
WEBSITE & SITELOCK TOTALLY SELF FUNDED
Yanmar diesels
Solid Glass Hull
Woodless Stringers
Full Hull Liner
Survived Andrew Cat 5,Eye of Charley Cat 4, & Irma Cat 2
Trojan International Website: http://trojanboat.com/
WEBSITE & SITELOCK TOTALLY SELF FUNDED
I did as well but it twas the the pump at the helm, not the cylinder that connects to the tiller arms. I think Scott did the same, I got the idea from him 
If you get leaks either at the wheel or just behind it, the rebuild kit will take care of that. I haven't see a rebuilt kit for the cylinder itself though but probably a good thing to source for any of us with Hynautic installs.
Bob
If you get leaks either at the wheel or just behind it, the rebuild kit will take care of that. I haven't see a rebuilt kit for the cylinder itself though but probably a good thing to source for any of us with Hynautic installs.
Bob
1988 10m mid cabin
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smiller192
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- Location: Dover, DE
hynautic steering cylinder
Just a followup from my initial post, finally got back down to my boat. The 11 meter (and the 10 meter from what I can tell) uses the Hynautic K1 cylinder. The rebuild kit is a model KS-11. It is readily available from TELEFLEX. I paid $32.00 for the kit from Lewis Marine supply in Ft Lauderdale. It took about 1 hour to replace the seals and reinstall the unit. if anyone is interested in replacing the cylinder rather than rebuilding, the Hynautic K1 is replaced by the Seastar HC5369. The id tag was long gone from my cylinder, I finally identified it by measurement from the original literature. My boat is an 1985 and it was dripping pretty good. The seals were hard and the wiper had disintergrated from both ends.
http://www.collegefair.org/11_meter_progress_page.htm
http://www.collegefair.org/11_meter_progress_page.htm