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 Catalina 25 Specific Forum
 Pivot pin bolts		  New Topic  Topic Locked
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JamesBird
1st Mate

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USA
68 Posts
Initially Posted - 05/10/2016 :  12:19:17  Show Profile
Having just bought this boat I thought it prudent to inspect the pivot pin assembly. Dropped it down using the 4 long bolt method. All was good but I noticed that the bolts are not all the same length. three were 1", one was 1/1/4". Does anybody know what the correct length should be?

Thanks
Jim
Jim
Danvers, MA
79 Cat25/SR/SK/(1185)

Dave5041
Former Mainsheet Editor

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USA
3754 Posts
Response Posted - 05/10/2016 :  18:31:04  Show Profile
Mine are all the same, but I can't say 1" or 1 1/4" The good thing is that you should replace them anyway. Apparently 5/16 x 1.25: http://www.catalina-capri-25s.org/forum/topic.asp?ARCHIVE=true&TOPIC_ID=13801 5/16x1 1/4:

Dave B. aboard Pearl
1982 TR/SK/Trad. #3399
Lake Erie/Florida Panhandle
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JamesBird
1st Mate

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USA
68 Posts
Response Posted - 05/10/2016 :  19:41:03  Show Profile
Interesting, mine are 3/8. I'll replace them with 3/8 x1 1/4 " for peace of mind.

Thanks Dave.
Jim
Danvers, MA
79 Cat25/SR/SK/(1185)
Edited by - JamesBird on 05/11/2016 05:35:32
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Dave5041
Former Mainsheet Editor

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USA
3754 Posts
Response Posted - 05/11/2016 :  13:03:54  Show Profile
3/8 sounds right. Perhaps they were changed at some point - just quoted the link. You might lube the threads and gently run them in all the way to be sure.

Dave B. aboard Pearl
1982 TR/SK/Trad. #3399
Lake Erie/Florida Panhandle
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Lee Panza
Captain

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USA
465 Posts
Response Posted - 05/11/2016 :  22:05:18  Show Profile  Visit Lee Panza's Homepage
In case you haven't encountered this advice before, be sure to coat the bolts with a lubricant before installing them. Stainless-to-stainless can result in galling of the threads (male or female or both), causing the bolts to begin to seize-up before they have attained their required holding capacity. They feel like they're in tight but they aren't. In bad cases they seize-up before they even get close. And when they do it's sometimes a serious problem because they won't go in all the way and they won't come out without a great deal of effort. By that time the threads on the part you're bolting into (the parts that are embedded in glass in this case) are ruined. Different folks have different preferences for this, but I favor Tef-Gel because it's sticky and I don't feel as though the lubricant is encouraging the bolts to work themselves out later.
The trouble with a destination - any destination, really - is that it interrupts The Journey.

Lee Panza
SR/SK #2134
San Francisco Bay
(Brisbane, CA)
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JamesBird
1st Mate

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USA
68 Posts
Response Posted - 05/12/2016 :  12:03:31  Show Profile
Is there a torque setting for these?
Jim
Danvers, MA
79 Cat25/SR/SK/(1185)
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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.