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PostPosted: Wed Jul 28, 2010 1:12 pm 
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Location: Maui, Hawaii
I checked the 4 screws deep in my TI's mast cup recently to find them all loose especially the two rear ones. They were mostly tight when I received them.

Something more to keep an eye on, as it'd be messy if the were to come loose in higher winds. Requires quite a long #2 screwdriver.

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PostPosted: Wed Jul 28, 2010 3:27 pm 
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Thanks for the data, I'll check mine this weekend. I would have never thought of that.

Again Thanks for the heads up.

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PostPosted: Wed Jul 28, 2010 4:52 pm 
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Thanks for the info. I will check mine.

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PostPosted: Wed Jul 28, 2010 11:35 pm 
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I am surprised this fault has not been corrected by Hobie before shipping new boats. The problem is known and described by Hobie as early as 29 April 2009 in Adventure Island Tech Notes. "Maintenance note!!"
viewtopic.php?p=68667#p68667
I now have to find a long screwdriver at the ironmongers.

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PostPosted: Thu Jul 29, 2010 2:06 am 
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Yep, I've had this. Found a couple of screws fell out duing transit (inverted on roofracks). Another reason to stuff some pool noodle in there. I check my screws before each trip. And yes it does require a long screwdriver.

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PostPosted: Thu Jul 29, 2010 11:56 am 
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Thanks, just checked and the screws in mine were very loose, especially the rear ones as in your case. One of them didn't seem to bottom out when I tightened it, it felt like the threads might be damaged. I wonder if that's going to be a problem?


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PostPosted: Fri Jul 30, 2010 7:28 pm 
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Not sure if this should be a new thread? But what type of regular maintenance or checks do people do before or after they go out on the water?

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PostPosted: Fri Jul 30, 2010 8:54 pm 
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As of last weekend's sail, RUDDER PINS! Definitely. :shock:

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PostPosted: Fri Jul 30, 2010 9:40 pm 
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Paul67 wrote:
Not sure if this should be a new thread? But what type of regular maintenance or checks do people do before or after they go out on the water?


Before rigging and sailing off, ensure only non sailor types are watching. :wink:

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 Post subject: Mast Cup Screws
PostPosted: Sat Jul 31, 2010 5:22 am 
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I had to tighten the Mast Cup screws on my AI a couple of times last year...until
I used LokTite on them. I checked the Cup screws on my new TI and two were
slightly loose at the time of delivery. A couple of months later and after reading the above thread...I checked again and three of the screws were loose about 1 1/2 turns. So I immediately reinstalled all four using Loktite to lock them down. I think that will solve the problem because the AI's screws have never loosened again.


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PostPosted: Sun Aug 01, 2010 1:07 am 
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Does anyone know whether the screws are fixed to cast in metal nuts or to treads in the plastic cup?
If plastic I am considering using split or toothed washers under the pan head as Loctite is not recommended for plastic components.

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PostPosted: Mon Aug 02, 2010 12:36 pm 
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They thread into brass fittings embeded in the plastic.

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PostPosted: Mon Aug 02, 2010 6:11 pm 
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My AI was made as part of an upgrade kit and when installed those screws I neglected to use loctite. A year later I eventually found the baseplate held in place with just one screw. Not good, but easily fixed.

The side effect of these screws coming loose is poor furling control. Rather than being nice and smooth as usual, it's very much the opposite. SO if furling starts to feel rough and ready, check the integrity of those screws.

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PostPosted: Sun Aug 08, 2010 1:55 pm 
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Location: Hilo, Hawaii
During a recent wash down, thought I check on a few maintenance items I learned from being on this post. And low and behold, three of the four screws were missing from the base of the mast receiver cup.
Image

I did'nt realize it while out at sea, but the mast was rattling a bit more than usual. And the mast would bind more often when furling and unfurling my sail - exactly as Yakass described. Luckily I found the other three screws in my truck bed which probably fell out when I flipped my hull over onto the truck racks.

Image

I was fortunate that the conditions were relatively calm 5mph variable winds; 3-4' seas. Not sure what would've happened if conditions became marginal. I went ahead screwed them back in using a tube to extend my screwdriver; but a 12' screw driver would work better. I'm now considering using Locktight and/or stainless steel locking washers before heading out again.

Aloha,

Cliffs2Yak


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PostPosted: Sun Aug 08, 2010 2:39 pm 
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And speaking of loose screws, I had to tighten the screw that holds the "latch" that locks the mast into the cup. While sailing a couple of weeks ago (20 knot winds) a heard a "bang" from that general area - I think that might have been the mast unlocking, rising out of the cup and then seating again suddenly on a jibe...

I think it might be wise to inspect all screws every few outings, just to be sure...

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