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Old 08-05-2015, 04:43 PM   #1
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Floor Bounce in 5th Wheels

I have a 2014 Columbus 340rk with the standard 4 point leveling system with stabilizer bars..I want to add 4 more scissor jacks one behind and one in front of the trailer Tire's on each side to firm the unit up and get rid of the bounce.. Do I just measure equally and divide the distances to the standard levelers or keep them closer to the tires..

Thanks for your thoughts


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Old 08-05-2015, 04:50 PM   #2
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i think divide equally but realize that those distances are not cast in cement. convenience should play a role in location.
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Old 08-06-2015, 11:03 AM   #3
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When you say stabilizer bars, are you referring to JT Strongarms? If so, are you following the instructions they provide on how to set them up? When set up properly, my 320RS is pretty stable.
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Old 08-06-2015, 11:26 AM   #4
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Yes, I have ... It really doesn't make a difference of concrete, gravel or grass..my 50 lb. granddaughter walking inside gets a bounce..


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Old 08-06-2015, 11:29 AM   #5
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I'm also thinking of a set of those X type expandable Tire chocks might help..


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Old 08-06-2015, 11:44 AM   #6
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X Chocks stop the for and aft movement. JT Strong-arms stabilize the trailer front to back further and on the Landing Gear side to side. Think of the landing gear being silts. Our Fifth Wheel is stable now.
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Old 08-07-2015, 07:10 AM   #7
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I use home made JT'S, tripod, slide stabs, and I still get movement but with 4 Slides and 4 kids it is expected..

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Old 08-07-2015, 07:38 AM   #8
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Putting jacks in front of the axles will stop the bouncing floor that will not be eliminated with X Chocks or JT Strongarms.
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Old 08-07-2015, 11:55 AM   #9
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First trip with X-Chocks and tripod and it really helped a lot. Pleasantly surprised me. Additional benefit of the tripod it took away 80% of the squeak in the bedroom floor.
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Old 08-11-2015, 07:11 PM   #10
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Why not spend some $$$ and have 3rd set of leveling jacks installed in front of the wheels? Sounds like too much frame flex. That long of a 5er should have 6pt leveling.
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Old 08-11-2015, 08:49 PM   #11
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I agree.. I'm thinking of adding a set of leveling jacks but why in front of the wheels? I notice the bounce more behind the wheels..
The rear electric stabilizer jacks really doesn't have much lift ..


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Old 08-11-2015, 08:56 PM   #12
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Quote:
Originally Posted by olsonm View Post
I agree.. I'm thinking of adding a set of leveling jacks but why in front of the wheels? I notice the bounce more behind the wheels..
The rear electric stabilizer jacks really doesn't have much lift ...
The reason you put them in front of the axles is to remove the bounce from the tires and suspension. I reinforce the legs of the jacks and can lift the rear just fine. I do believe I could lift the 5er wheels off the ground by playing with the rear jacks, axle jacks and the landing gear. I wouldn't do it as no doubt it would bend the flimsy frame.
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Old 08-11-2015, 09:01 PM   #13
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Sounds good .. Front it is.. thanks , putting the set on this weekend..


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Old 08-11-2015, 09:05 PM   #14
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I would much prefer to put the jacks between the axles, but there is nothing to attach them to unless I added a 2x4 tube which would require welding on the frame which I will not do.
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Old 08-11-2015, 09:38 PM   #15
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My project this winter is to add air bags to my axles of the 5er, I have 2 sets just sitting around and lots of line, that will get rid of the jiggling I get from the kids running around, they don't seem to notice us in the front moving around with the JT'S I made and the tripod I use now. Don't think I will air the bags above 20 while traveling but I will experiment with pressure. Sitting on the site and them aired to 70 should quiet it down nice

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