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Old 03-15-2014, 02:33 PM   #1
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Checked your lag bolts lately?

Just got back from a three week trip to Yuma. Doing PM on my tt, and it always amazes me how loose the lag bolts that connect frame outriggers to the floor of the unit become. I tighten them after each trip, but today, some turned three or more times. Sure, they have lock washers, but mine still work loose. Checked yours lately?
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Old 03-15-2014, 03:55 PM   #2
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I get under my TT annually just to check things out and spray some lubricant around, but never had an issue with the floor bolts/screws loosing up (have checked them).

If lag bolts are backing out as often as you describe, I would investigate further because I wouldn't think this should be a frequent issue.

Bob
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Old 03-15-2014, 04:32 PM   #3
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I would suggest using Loctite.
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Old 03-15-2014, 06:55 PM   #4
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I call them lag bolts, but they are really 1/2 inch bolts coming from topside down thru a hole in outrigger, and fastened with a lock washer and nut. I wonder how they are supported inside the above wall?
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Old 03-15-2014, 06:59 PM   #5
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Replace them with nylon insert lock nuts.
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Old 03-15-2014, 07:25 PM   #6
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Quote:
Originally Posted by arkhillbilly View Post
snip..... they are really 1/2 inch bolts coming from topside down thru a hole in outrigger,....snip
Does appear that any of the bolts themselves are being drawn through (more thread being exposed)?

Do all the outrigger bolts loosen, or is it the same select few?

Bob
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Old 03-15-2014, 11:59 PM   #7
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Most are loose , some more than others. One over rr tire will not tighten, just spins. I just snug them up good. At 75, not sure I could overdo it. Any way to know or see how they look topside? What do they go through above the floor?
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Old 03-16-2014, 02:16 AM   #8
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My guess would be that they are carriage bolts (with the square section under the head that keep the bolt from spinning). I haven't checked mine in the three years I've owned it. I will before I move it again. Thanks for the tip Arkhillbilly.

You might try replacing the lock washers with new ones next time you tighten them up. A dab of locktight (blue, probably) on the threads would probably work too.
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Old 03-16-2014, 08:26 AM   #9
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Quote:
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snip..... What do they go through above the floor?
I did an internet search, but couldn't find a good photo showing the actual bolt assembly attaching the floor structure to the steel frame/outrigger. On one Jayco video the representative referred to lag bolts being used on the floor, but the assembler wasn't working near the outriggers.

I did find one RV manufactures using carriage bolts recessed into the floor, then the wall structure placed over them. In another case (Arctic Fox) used a steel fastener (similar to a washer) used with the bolt-head.

It might take a call to Jayco to confirm what is going on top-side...: 574-825-5861 (have your VIN handy).

Bob
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Old 03-16-2014, 12:50 PM   #10
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Rustic Eagle, please expand on your question of the bolts pulling down,ie., more thread showing. That thought is starting to be of concern! Tks
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