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 Catalina/Capri 25/250 Sailor's Forums
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 proper way to jack up the boat trailer		  New Topic  Topic Locked
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josgood
1st Mate

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USA
57 Posts
Initially Posted - 01/25/2009 :  23:15:23  Show Profile
I have the C-25 on the hard on the trailer for winter storage. I plan to jack up the tandem trailer with the boat still on it and check out my brakes and do the bearings / seal deal on each wheel. the boat is VERY heavy and don't want to muck this up and crack an axle or trailer frame. I have jack stands to use and will use a 3 ton floor jack... do I take some of the weight off the axle by jacking up the trailer some and putting jack stands under it? or just put the jack under the axle and trust nothing will bust
John Osgood
MastConfusion
'87 C-25 Std. WK
Lake Dillon, Colorado

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Happy D
Admiral

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921 Posts
Response Posted - 01/26/2009 :  09:02:38  Show Profile
When I jacked up my trailer so I could put brakes on the wheels, I just put the jack under the leaf spring at the axle and jacked it up.
Did one wheel at a time. Shouldn't be a problem. Stay out from under it at all times.
Blocking the axle further in from the spring is a little scary as it does act like it will bend the axle. I wouldn't do that.
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Prospector
Master Marine Consultant

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Canada
3159 Posts
Response Posted - 01/26/2009 :  09:11:26  Show Profile  Visit Prospector's Homepage
I haven't had to jack a trailer, but I did jack the boat up on the cradle. Used a pair of 3 ton(ne?) bottle jacks under the keel, with axle stands on either side. I only had to lift it about 2", but that did the trick for me.I don't know if you could lift the weight of the boat off the trailer, and then raise the trailer to the boat.
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josgood
1st Mate

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USA
57 Posts
Response Posted - 01/26/2009 :  11:09:14  Show Profile
the keel took the whole weight of the boat?
i don't have any leaff springs on my trailer
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Prospector
Master Marine Consultant

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Canada
3159 Posts
Response Posted - 01/26/2009 :  11:22:42  Show Profile  Visit Prospector's Homepage
Yes The keel Did (with some padding beneath it - scrap 3/4" plywood. Mine is a fin keel, but placed properly you may get similar results beneath your wing. No guarantees.

I lifted the back of the boat, letting the jack and forward pads take the weight, and then raised the back of the cradle. After that I raised the bow, letting the aft pads and the jack take the weight, then raised the front of the cradle.

Bottle jacks were used to lift the boat, and a lighter carriage jack was used to raise the cradle. My reason for needing to move it was that the boat was badly out of level, and water was pooling forward in the cockpit.
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Happy D
Admiral

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921 Posts
Response Posted - 01/26/2009 :  12:19:29  Show Profile
<blockquote id="quote"><font size="1" face="Verdana, Arial, Helvetica" id="quote">quote:<hr height="1" noshade id="quote">i don't have any leaff springs on my trailer<hr height="1" noshade id="quote"></font id="quote"></blockquote id="quote">

You have to have springs. If you don't then it is most likely a yard trailer and not suitable for travel on the road.
Is there a manufacturers name on the trailer somewhere?
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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.