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 Catalina/Capri 25/250 Sailor's Forums
 Catalina 25 Specific Forum
 Swing keel upgrade		  New Topic  Topic Locked
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sailboat
Navigator

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USA
149 Posts
Initially Posted - 12/19/2012 :  15:17:45  Show Profile
When installing the upgraded weldment provided by Catalina Direct is it necessary to cut through the hull liner on the inside to do that. I am not clear on how to remove the old weldment. Any guidance would be greatly appreciated. Thanks.
Mike
Chariots of Fire
1981 Cat-25. sail number 2230
SR/SK Dinette Version
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sethp001
Mainsheet C-25 Tech Editor

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814 Posts
Response Posted - 12/19/2012 :  20:19:12  Show Profile
Are you talking about the keel pivot pin hangers? If so, they bolt on to the bottom of the boat from the outside.
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Dave5041
Former Mainsheet Editor

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USA
3758 Posts
Response Posted - 12/19/2012 :  20:50:46  Show Profile
Assuming that you are actually talking about the threaded fittings that the pivot assembly bolts go into, that is the weldment, then you are talking about major surgery that should be done professionally. The fitting is imbedded in the hull layup during construction and carries very high loads. Are your current ones damaged or a bolt broken off? Let us know what your actual problem is. There are services for broken bolt and tap removal; removing a broken SS bolt is not an easy job. The weldment receivers have thin walls and cannot be tapped if the threads are damaged.
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sailboat
Navigator

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USA
149 Posts
Response Posted - 12/20/2012 :  08:01:36  Show Profile
I am referring to the pivot pin assembly. Catalina Direct strongly recommends installing a new wider pivot pin assembly plus the spacers in order to eliminate the "keel klunk". Does that make sense?

Thanks
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Dave5041
Former Mainsheet Editor

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USA
3758 Posts
Response Posted - 12/20/2012 :  10:40:45  Show Profile
Several owners have reported that the spacers fell off their keels by the end of the season. I would drill and tap the keel so I could use counter sunk flathead screws in addition to the adhesive. My actual solution to keel clunk was cheaper, reliable and has lasted for 3 years so far. Machining the wider pivot supports would work well, but using the original hangers and adding replaceable wearing parts seemed like a better idea to me. I posted it and a couple of comments about the process, but I've never been able to find the original post:

http://www.catalina-capri-25s.org/forum/topic.asp?TOPIC_ID=19780
http://www.catalina-capri-25s.org/forum/topic.asp?TOPIC_ID=21678
http://www.catalina-capri-25s.org/forum/topic.asp?TOPIC_ID=22172
Edited by - Dave5041 on 12/20/2012 10:45:04
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dmpilc
Master Marine Consultant

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USA
4593 Posts
Response Posted - 12/21/2012 :  08:35:26  Show Profile
The pivot pin assembly consists of the pivot pin and two castings the hold the pin. The castings are attached to the boat by four bolts. Before replacing the castings, I would consider adding spacer washers to the pin between the keel and the castings and add the keel spacers first. If properly installed, they will stay put. Mine did, mainly because I didn't try to do it myself. I had them installed by the guy who did my bottom job when I bought the boat.
If you plan to lower the keel to add spacers to the pin, go ahead and replace the pin too, and make sure you have new bolts to re-install the castings.
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Frank Law
Navigator

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USA
159 Posts
Response Posted - 12/21/2012 :  08:39:45  Show Profile
When I last worked on my swing keel I added 1 / 2 Large stainless washers . I did use the nylon (not sure) ones before but found they recessed into the keel pin hole that was enlarged from wear. I did have room for them without binding the keel .
Frank Law
"ABOUT TIME"
1983 3519
SWK , SR
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sailboat
Navigator

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USA
149 Posts
Response Posted - 12/21/2012 :  22:29:21  Show Profile
Thanks to all. I hope to haul the boat in the next two weeks.
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Notice: The advice given on this site is based upon individual or quoted experience, yours may differ.
The Officers, Staff and members of this site only provide information based upon the concept that anyone utilizing this information does so at their own risk and holds harmless all contributors to this site.