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Old 06-21-2018, 10:32 AM   #1
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Jacking up travel trailers

I'm taking my Hemisphere Lite down to the tire store to have new tires put
on.....Is there a correct way and/or a wrong way to jacking up a trailer?
I assume you place the jack somewhere on the frame? I have one of those
tire roll up one wheel things (it's a tandem axle) that I've used, but I'm sure
that they're going to want to jack it up and get both wheels off the ground.

Thanks!:
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Old 06-21-2018, 10:50 AM   #2
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Just don't let them do it on the axles!
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Old 06-21-2018, 10:51 AM   #3
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Couple years ago I was at Les Schwab in Brookings getting a potential blowout replaced. In the parking lot was guy with a 5er getting 4 tires installed. They had 4 jacks under each axle spring at the U-bolt area. Jacking up by the frame takes a lot of blocking to get the jack up high enough to lift the tires off the ground especially on larger trailers.
Not sure how high or low yours is off the ground. That may determine how they go about it.
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Old 06-21-2018, 10:52 AM   #4
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Quote:
Originally Posted by JayArras View Post
Just don't let them do it on the axles!
Why?
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Old 06-21-2018, 11:01 AM   #5
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if you have spring axles it is OK to lift under the spring shackles. If you have torsion axles don't lift on the axle use the frame.
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Old 06-21-2018, 11:15 AM   #6
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if you have spring axles it is OK to lift under the spring shackles. If you have torsion axles don't lift on the axle use the frame.
Exactly.
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Old 06-21-2018, 11:35 AM   #7
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Oh, and don't let them take a look and think "Hey, he's already got jacks (stabilizers) at the four corners of the trailer, lets just use these."
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Old 06-21-2018, 04:23 PM   #8
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Quote:
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Just don't let them do it on the axles!
X2! Both Lippert & Dexter tell you (WARN YOU). Do not jack on the axles! Jack on the frame. Additionally, springs and shackles are designed to "suspend" the weight, not lift it.

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Old 06-21-2018, 07:08 PM   #9
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This is the way my friendís tire store did it. Iím assuming theyíre doing it right.
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Old 06-21-2018, 08:05 PM   #10
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X2! Both Lippert & Dexter tell you (WARN YOU). Do not jack on the axles! Jack on the frame. Additionally, springs and shackles are designed to "suspend" the weight, not lift it.

You do know that when the tire hits a drive entrance like a gas station or even a bump in the road that the tire is making the axle push up on the leaf springs?
Show me how it's different when using a jack under the U-bolts or the above simulation.
You're actually putting less upward pressure on the axle when lifting under the U-bolts as opposed to when the tire pushes up because the tire is further away from the U-bolts.

Lippert and Dexter say that as a CYA so some guy doesn't stick a jack 2' under the trailer and bend the axle. Kinda like don't drink hot coffee.
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