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bkfw190
PostPosted: Mon Apr 20, 2009 1:59 pm 
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Sting Ray

Joined: Thu Feb 26, 2009 2:42 pm
Posts: 64
Location: lexington, michigan
While i was putting on the last of my wax (under the trailer banging my head every so often)! i noticed on my support bunks that every one had loose washers on them where the wood mounts to the metal upright supports. anyhow... before i tighten them all up, i was wondering if this is supposed to be this way to allow a little "give" or slight movement to help when putting the boat on and off the trailer. (they all appear to have locking nylon insert nuts on them so i'm not worried about them falling off.) - bk
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Barefoot
PostPosted: Mon Apr 20, 2009 6:18 pm 
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Clownfish

Joined: Wed May 17, 2006 8:19 pm
Posts: 40
Location: California
As the wood compresses over time they become loose. You should be able to tighten them without the carrage bolt spinning. On my 1999 they used a torque washer with little spikes at the head of the bolt that stops them from spinning when they use a nyloc nut.

Hope this helps,
Ross

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Aussie_Horizon_190
PostPosted: Mon Apr 20, 2009 6:31 pm 
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Location: Melbourne, Australia
Yep, is just a case of the wood in the bunks shrinking over time. Quite normal!

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Alec

2006 Horizon 190
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bkfw190
PostPosted: Mon Apr 20, 2009 8:27 pm 
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Sting Ray

Joined: Thu Feb 26, 2009 2:42 pm
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Location: lexington, michigan
THANKS- good to hear it's just a tighten-up job. :)
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captkevin
PostPosted: Mon Apr 27, 2009 9:30 am 
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Location: Chicago
Think they get loose from the vibration while towing - something that you should check at least once per year. Have seen cases where all of the nuts fall off & when the person backed the trailer in to retrieve the boat the bunk floated away. Not a good thing.
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230 Mike
PostPosted: Mon Apr 27, 2009 7:05 pm 
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230 Mike
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Joined: Mon May 15, 2006 7:59 pm
Posts: 5141
Location: Kansas City, Table Rock Lake
It's just from shrinkage and compression. Theoretically after a few tightenings they should stay put.

Do you think they know about, uh, shrinkage?

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2005 Four Winns 230/240
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Aussie_Horizon_190
PostPosted: Tue Apr 28, 2009 11:14 pm 
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Location: Melbourne, Australia
Must be the cold water...! :shock:

Edit: They call it "Spanner Water" - tightens your nuts for you... :lol:

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Alec

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