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Jacking up a Cruiser

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David & Carolyn View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote David & Carolyn Quote  Post ReplyReply Direct Link To This Post Posted: 06 Apr 2012 at 3:46pm
axcvb
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joemusic321 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote joemusic321 Quote  Post ReplyReply Direct Link To This Post Posted: 06 Apr 2012 at 8:17pm
I use the same boards I do for leveling to get the wheel off the ground, ala the trailer aid. Quick, easy and no dirt on the knees while placing a jack.  Haven't had a flat yet (he said while knocking on his head) on the Cruiser but more than I care to admit to on a previous fiver.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote danskool Quote  Post ReplyReply Direct Link To This Post Posted: 06 Apr 2012 at 9:24pm
Originally posted by Captain Mike Captain Mike wrote:

I thought the axles will crush when lifted by a jack?



I would love to see a picture or proof that this happened.  Even a link.
I read lots of chatter about crushing, I see lots of people lifting axles..  Never a picture of a dent or bent axle from lifting a tire 1".  I would also like to know the tube size, Id/OD. And material, For calculations purposes. Can't find that. The ubolts don't crush the axle like a ubolts crushing exhaust pipe.  Threads/nuts apply thousands of pounds of force.


I hear about damage to axles,, Loose ubolts, pot holes  etc.. No jack damage. 

The manual says don't lift by axles,  So you shouldn't.    But I will continue to do so with my 2ton 4,000lbs bottle jack. Lifting tire 1 inch.

When I lifted the frame it was my last. Rain came and i went to shut my door.. The door was not going to close it was so misaligned.. Way to much tweaking going on when i lifted it that way.Felt bad for the window frames and all the screws holding the camper together.

I do use the 1 tire ramp idea. Man that is fast.. Easy.. And i can shut my door.




Dan

2005 Cruiser
2001 F250 7.3




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John B View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote John B Quote  Post ReplyReply Direct Link To This Post Posted: 07 Apr 2012 at 6:40pm
  I use a 10 ton short bottle jack with an adaptor I made to cradle the axle for no slip .I get as close to the ubolt plate as is possible. Have done many times & it works very well & safely too. I believe if this is supposed to damage the axles then so will every chuck hole or curb you may contact.. JMHO jb I believe in keeping things simple & safe & both are acomplished this way..
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Captain Mike Quote  Post ReplyReply Direct Link To This Post Posted: 07 Apr 2012 at 9:17pm
John B,
Do you have a picture of your adapter. Are you lifting the spring with this instead of the axle?
-Michael-


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Post Options Post Options   Thanks (0) Thanks(0)   Quote Captain Mike Quote  Post ReplyReply Direct Link To This Post Posted: 07 Apr 2012 at 9:30pm
Sorry John B,
I mis-read your post. You are lifting the axle close to the ubolts.
This post got me motivated today to check brakes and grease axles.
Moving forward, I am going to weld up a tool that stratels the axle and puts pressure on the leaf springs.  It may be overkill but I think it will satisfy mfg recomendations.

-Michael-


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Post Options Post Options   Thanks (0) Thanks(0)   Quote danskool Quote  Post ReplyReply Direct Link To This Post Posted: 08 Apr 2012 at 9:23am
 The trucks jack has a flat top with sort of the rounded cut out to not slip out on axles. Truck jack works well for lifting axles also, Except for having to crank it.

I made an adapter.. I took a pc of pipe that had the same ID  as the axle's OD.  I cut the tube around 2" long. Then cut the tube in half like a "U" shape.  Then i found a pc of tub that had the same ID as the jacks head OD.. Cut that tube to 2" . Then i welded it to the bottom of the "U".. Whalla.  more secure lifting for fear of the jack head slipping out.  Used them on the farm, we used to have a bunch of these laying around.  Also a "V" shape will work better because it will do multiple size axles.  Heard you can buy them at RV dealer or harbor freight or someplace

Dan

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John B View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote John B Quote  Post ReplyReply Direct Link To This Post Posted: 08 Apr 2012 at 11:42am
   Mike: I used a 6 in piece of 2 x 2 x 1/4 in angle so it is kind of self aligning for multiple sizes, I came up with a pipe nipple that just fit over the shaft of my jack snugly so as not to contribute to unsteadyness. I place it as far out next to the ubolt plate as I can get it. I have probably used it 20 times on dirt or concrete if need I put a thin board or something on soft soil.
    I have two dear friends who built off from mine and are very happy too. As I stated if you are going to injure the axle doing this it surely will get injured just going down the road hitting who knows what & mine never have been either way.. See the above picture by cool I think as it is the same except mine is angle instead of half round.. JMHO jb  Ps I agree with an above poster about tweaking the dickens out of everything when lifting on the frame as you can hear things popping. Lippert aparently cares more about their axles than your coach,(Oh yes they don't warrnty the coach just the axles)  JMHO jb
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Post Options Post Options   Thanks (0) Thanks(0)   Quote mikenannie Quote  Post ReplyReply Direct Link To This Post Posted: 08 Apr 2012 at 4:57pm
Interesting discussion. I'm a new ST owner and last night I read through most of the material in the new owner packet. It states in the manual, I believe, to lift the trailer by the frame when changing a flat tire. Is this not what everyone is doing or is your manual different?  

BTW, I found nothing in my materials from Llippert even though they made the axles on our new trailer. I was told by the dealer that their was suppose to be info in the packet from Lippert. I was also told during my factory tour last week that ST was using Dexter axles. 
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Post Options Post Options   Thanks (0) Thanks(0)   Quote danskool Quote  Post ReplyReply Direct Link To This Post Posted: 08 Apr 2012 at 11:21pm
Been looking for days for proof that you can crush the axle tube..  Everywhere i can think of.  One dang picture..  Millions of people using jacks on axles, and not one picture.. Come on, there has to be one picture of a "CRUSH" from a jack.  If i can get the wall thickness i can tell you how much I can apply using my little 3/4 diameter bottle jack head before the tube crushes?  Maybe i could just guess.. .250" ?  Is that tube 3.5" OD?  I can enlist the engineers from work to help me out and double check.  I would bet they are stating to use the frame only for safety reason Solely.  (jack can kick out due to the round service)

Lippert states to use the frame..  Mike, I can email you the lippert manual if you would like.  Send me a Pm if want it.

Give it a shot. Try lifting by the frame as per you manual and you will get a feel for the weight capacity of the jack and how high you need to ; to get the wheel off the ground. It will surprise you. Do it on the passenger side(awing side)..  Then try to open and shut you door and see the misalignment(tweaking) going on... Then try the 2 ton bottle jack on the axle.  A few pumps the wheel is up.   The door will open and shut as it always has.

If you had road side service pull in, how would they do it?  If you didn't tell them otherwise..  I had a flat right after i left the dealers(stem was leaking).  The dealer sent out the service guy..  ha.  He used the axle... Bottle jack under the axle, close to the ubolt.  No wood under the jack, When he left to go get  a new stem,, I had to call the dealer back in a hurry to tell them the jack was sinking into the black top..   Then i realized i had the trucks jack on me so i used that to support his bottle jack until they came back.. 
Dan

2005 Cruiser
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