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Old 01-11-2019, 03:33 PM   #1
summer home
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M.O.C. #21038
The Cross Brace Fell Off!!!!

SO, we went to get our camper out of storage (been there since about 10/15/18). When I bent over to take the tire covers off, I saw a 6' long pc of black steel channel laying on the ground under the camper.....
As I looked at the underbelly, I noticed the marks and broken/rusted screws where it FELL OFF from.... Fortunately, it happened in storage, not at 60+ mph on the highway where it would have eaten my tires and probably killed someone behind me.....
As far as I can tell, this channels only function is to support the Coroplast bellypan.... It is now re-installed (by me) to continue its job.
It appears that the original screws, which were probably TEK drill point, were installed to the point of twisting them almost completely apart, then the rust handled the rest of the destruction..
If these channels were made 2" longer, they could have been fastened to the outside visible flange of the frame, and actually thru bolted in place.... Oh wait, that would have cost a few cents more.....
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Old 01-11-2019, 05:29 PM   #2
1retired06
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M.O.C. #12156
Good it happened while in storage.
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Old 01-11-2019, 06:47 PM   #3
rohrmann
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M.O.C. #12947
After I repaired our grey tank a few years ago, I added a couple more braces along with those two channels and added blocking to the tanks so when all the braces were reinstalled, they support the black and grey tanks. At least now, besides just holding up the coroplast, they are performing a better function, keeping the tanks from breaking. I understand that stainless steel TEK screws are available, and maybe in corrosive conditions, the stainless screws would be a better option.
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Old 01-11-2019, 11:55 PM   #4
Texan
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M.O.C. #19873
I did the same as Bob on the tank's and added another bolt to each side of the cross braces as I didn't want to have happen to me as to what happen to you. Now would be a good time to brace up your tanks.
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Old 01-12-2019, 08:58 AM   #5
Montana Man
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M.O.C. #21963
When you say broken/rusted screws it makes me wonder what could make a screw in this instance break. Those braces hold very little weight. I would look further to see if something else affected the separation. A broken tank could be a possibility.
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Old 01-17-2019, 08:53 AM   #6
summer home
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M.O.C. #21038
Looking at the cross section of the broken screws, they appear to have been over torqued to almost the point of failure... For some reason, Keystone ran these TEK screws up into the vertical flange of the frame, far exceeding the capabilities of TEKS...
By spec, TEKS are not to be used in material thicker than the length of the drill point section of the screw....(39 year career in the fastener industry)
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