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Old 11-25-2015, 08:55 AM   #1
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Ramp door flex - hinge line

The original ramp door on my toy hauler failed at the hinge line. Lippert looked at my pics, said the failure was caused by water damage. The door was replaced 6 months ago. I am watching it very closely. These doors cost a lot.

I have noticed that there is a considerable "flex" at the bottom of the door when it is opened. Have any of you other toy hauler owners noticed the same thing?

New door


Looks OK when closed


Inside pic when open


Outside pic when opened
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Old 11-25-2015, 09:22 AM   #2
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Another fine LCI design..... taking about 10 minutes to weld those mitres, and maybe add a reinforcement plate must have been to expensive.
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Old 11-25-2015, 09:35 AM   #3
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It seems that weight on the door would bend the mitred joints the other way. I agree, the mitres should have been welded... if possible.

I ran out and checked mine (ok, so I walked) and all is straight and true.
WW
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Old 11-25-2015, 01:59 PM   #4
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Wolf Whistle - the weight of the door is suspended in air by the pressure of the springs against the hinges.
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Old 11-25-2015, 05:52 PM   #5
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Quote:
Originally Posted by andy29847 View Post
Wolf Whistle - the weight of the door is suspended in air by the pressure of the springs against the hinges.
Make sense. Its the weight of the door that has cause the joints to bend / pull apart and not a the weight of a toy being loaded. Wow
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Old 11-25-2015, 08:07 PM   #6
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I agree the spring is causing the issue along with lack of structural fastening of the aluminum trim.

I think if the spring was on the other side of the chassis hinge (more towards center) it may help.
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Old 11-26-2015, 08:01 AM   #7
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There are six springs across the hingeline -


The deflection is the same on both sides -


The engineers at Lippert are looking at my pics. When I look, I see 3 things. Poor door construction, hinges too short, springs too strong.

If the springs were weaker, the door might not be manageable (dangerous to open or close).
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Old 11-26-2015, 09:41 AM   #8
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I wonder: when lowering the ramp, how much weight are you feeling? Wonder if the total spring assist is too much / more than necessary? I will test mine and let you know about how much weight I have to take.

Also, on your unit, could they hinge pins be binding? This would be difficult to prove.

The hinges, springs from Lippert are on thousands of units and I have to wonder if others are having this issue. But more importantly, that they will take care of your problem.
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Old 11-26-2015, 10:56 AM   #9
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The door is nearly weightless - up and down with one hand.

The hinge pins are not binding.

I have the same question about other doors. It is not something easily noticed. Web info seems to indicate there was similar problems in 2009-2011. Not much recent info posted.
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Old 11-26-2015, 11:10 AM   #10
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I wonder if your springs are stronger than mine causing the issue? My door is moderately heavy with two hands. Not bad but certainly not weightless.
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