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Old 07-12-2013, 12:58 PM   #1
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Tires off the ground problem

Recently there was a discussion about the auto level system raising the wheels off the ground. Good suggestions were made how to prevent this from happening.

I have the EZ Flex suspension system on my 325 res. Something I noticed when the wheels came off the ground was one end of the equalizer (that triangle thing between the wheels) flipped. When in the correct position the end of the equalizer attached to the spring is on top. When the wheels come high enough off the ground, the suspension will drop, what was on the top is now on the bottom. When you let the trailer down it may not correct itself and the equalizer will now be pushed tight up against the frame.

I drove for several miles with this condition and now the rubber is split and coming apart.

Anybody that had the wheels off the ground may want to check for this condition.
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Old 07-12-2013, 02:01 PM   #2
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Can you post a pic of that please. Also..did you contact prime time & lippert ?
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Old 07-12-2013, 02:18 PM   #3
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Interesting - thanks for posting. Sounds like a design flaw.
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Old 07-13-2013, 01:26 AM   #4
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EZ Flex

If you contact the manufacturers, the EX Flex system is from Dexter Axle and not Lippert. PT Customer Service told me awhile back they switched to Dexter sometime ago because of problems with the Lippert suspension system.
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Old 07-16-2013, 10:13 AM   #5
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Dexter axle has reviewed my case and is sending me two new EZ Flex equalizers under their warranty program.
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Old 07-16-2013, 10:38 AM   #6
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Attached is a picture of the split rubber.
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Old 07-16-2013, 12:58 PM   #7
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Quote:
Originally Posted by Crusaderguy View Post
If you contact the manufacturers, the EX Flex system is from Dexter Axle and not Lippert. PT Customer Service told me awhile back they switched to Dexter sometime ago because of problems with the Lippert suspension system.
OK..Axles made by Dexter not Lippert...got it..Lippert makes the auto leveling system..got that...So..Was the split rubber caused by the wheels coming off the ground ? Or..are there defective Dexter axels on Our Crusaders ?
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Old 07-16-2013, 04:11 PM   #8
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Neither. When the wheels came off the ground, the spring end of equalizer flipped. Now that end is hard against the frame. The constant pounding of the trailer shoved the metal against the rubber. This pounding on the rubber is what split the rubber. The Dexter people were very good about this problem and understood what was happening.
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Old 07-16-2013, 06:49 PM   #9
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Wheels coming off the ground..Should that have even happened in the first place ?? And..If..the wheels had NOT come off the ground..Would the equalizer have flipped up ??
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Old 07-16-2013, 10:56 PM   #10
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I have a definitely negative opinion on auto-levellers. Whoever programs the computer is removed from the real world.

The system on my rig gets stupid and we often ended up with all four wheels off the ground. I finally gave up on the stupid thing. My technique now is to look where and how far we're out of level once we're in the site. If it's too much in either axis, I ask for a better site or move on to another CG.

My technique is to first, lower the jacks until they just make contact. My system runs the jacks in pairs (front, back, left and right). I then figure out which pairs to run to get level with the minimum amount of "off-the-ground" risk.

When we first got the rig and I had it parked on my slightly downhill driveway, I put a 24" spirit level on the bottom of the interior of the fridge. I used the levellers to get it as close as a gnat's whisker to being level in both longitudinal and lateral axes. I then stuck a couple of the 90-cent bubble levels on, one on the front of the TV cabinet and the other on the driver's side front-corner window. This gave me fore/aft and side-to-side level as seen by the fridge.

I can see both of them from the driver's seat and the controls for the levelling system are to the left of the main instrument pod. Usually, if a site is reasonably close, it takes less than a minute to get us set up.

At daughter's house, their driveway slope takes a couple of 6" blocks under the front wheels and the front wheels are off the ground before we're level.
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