Hynautic K-25 Cylinder Replacement

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4 years 8 months ago #2170 by Debi Shaimas
Hynautic K-25 Cylinder Replacement was created by Debi Shaimas
Good Day,

Have discovered that the rod on our K-25 cylinder has been scored resulting in fluid leaks.
The K-25 is not made any more, nor are repair parts.
Research on the internet says one can replace it with The Teleflex HC5369.

Has anyone replaced their K-25? With what? Any advice to share or pitfalls to warn against?

Thanks,
Debi
Serenity #110
Bahia de Caraquez, Ecuador

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4 years 8 months ago #2173 by Dale Kramer
Replied by Dale Kramer on topic Hynautic K-25 Cylinder Replacement
We had the same problem and replaced the hydraulic cylinder with the model you specified. We had to have a new bracket made to hold the new cylinder but other than that, we have had no problems.

Dale Kramer
S/V Puffin.
The following user(s) said Thank You: Debi Shaimas

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4 years 8 months ago #2174 by Debi Shaimas
Replied by Debi Shaimas on topic Hynautic K-25 Cylinder Replacement
I was concerned that that the HC5369 has a shorter stroke (9" versus 10"). Good to hear that it has not been a problem for you.

Am thinking to take the existing cylinder apart and have a new rod machined when we fly to the U.S. for Thanksgiving. Have been in contact with some machine shops and they say it is do-able. If we get up there and find they cannot do it, will have to buy a new cylinder I guess.

Will report back.

Thanks again.

Debi
sv Serenity (Whitby 42, #110)
Puerto Amistad, Bahia de Caraquez, Ecuador

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