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 Jack Stand Placement		  New Topic  Topic Locked
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willy
Captain

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USA
422 Posts
Initially Posted - 04/06/2009 :  20:04:01  Show Profile
I am about to shim my centerboard as it has developed considerable lateral wobble. I am planning to use a bottle jack with a 2X4 attached (between jack & hull) to raise the bow off the trailer and then use jackstands to support it while I lower the front of the centerboard with the same bottle jack to do the work. My questions for anyone out there that has done this before are:
1. Is there a recommended place on the hull for the jackstands? I have seen enough boats supported this way to be able to eyeball it, but was wondering if there are any special precautions to be taken here.
2. Is it possible to just jack the front of the boat for this process? I am thinking it would make things lots easier, but may add unwanted stress to the hull. I am assuming raising it about 2 to 3 feet should do it. Any recommendations regarding how high it needs to be?
3. Anything else that I should concern myself with during the procedure?
Willy
Edgy, WB#655
Dewey Beach, DE
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bear
Admiral

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USA
909 Posts
Response Posted - 04/07/2009 :  07:44:26  Show Profile
Willy, When I reshimmed "Brandy" I used a Sears automobile jack placed on the trailer on 2x4s just behind the bogey wheel attachment. I was probably close to a foot back on the bottom of the hull where the point of raising was. I used what ever was available 2x4s etc to close the gap between the jack pad and the hull of the boat before jacking. I never used jack stands nor did I go up 2-3 ft. You only need access to the thru pin. I don't think you need a jack to lower the center board either. Another pair of hands works good. Also when reinstalling the centerboard I cut the heads off two of the old attachment bolts to help in alignment when reinstalling. One other point of consideration was to have the nose of the trailer all the way up to allow your body to slide under the boat. It's not as bad as it seems.
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willy
Captain

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USA
422 Posts
Response Posted - 04/07/2009 :  12:02:29  Show Profile
THANK YOU Wayne!
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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.