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Old 08-08-2012, 04:11 PM   #15
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Hi, is there any problem with jacking it up? I have mine on 4 jack stands, and the tires are covered right to the ground. The tires barely touch on the rear axles. Though alittle bit of a pain, is this the best case scenario?
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Old 08-08-2012, 09:35 PM   #16
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If at all possible, use the trailer more. Keeps the tires round and flexible. Also exercises the suspension.
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Old 08-08-2012, 09:40 PM   #17
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Originally Posted by jcanavera View Post
I attended a tire safety class and the instructor gave a thumbs down to longer term storage of tires directly on content. The reasons were a leaching of the tire compounds by the concrete and the tell tale sign is the black spots left on the concrete. Since that time I have always rolled the trailer wheels back on to cardboard which provides the separation from the concrete.

Jack
I've always followed this advice. Parking longterm on concrete will pull oil out of your tire bodies and leave dark marks on the floor. I don't do this during my multiple back-and-forths in the summer but I do roll the tires onto 6 mil poly for the longer winter storage.
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Old 08-09-2012, 12:48 AM   #18
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Quote:
Originally Posted by TG Twinkie
If at all possible, use the trailer more. Keeps the tires round and flexible. Also exercises the suspension.
I posed this question to a tire tech at Belle Tire (Plano, TX) in June. Any tire sitting on a hard and flat surface can get a flat spot. You will notice this spot as the tire rotates the SLOWER the rotation. The faster the rotation, the spot is not going to be evident. In a travel trailer or 5th wheel unit, there should be no one in the trailer to notice! Additionally, this would happen to "old school" tires -- new modern tires just resist flat spotting unless left for years and air has leaked out of them, thus causing a flat area.
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Old 08-09-2012, 06:28 AM   #19
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I've always followed this advice. Parking longterm on concrete will pull oil out of your tire bodies and leave dark marks on the floor. I don't do this during my multiple back-and-forths in the summer but I do roll the tires onto 6 mil poly for the longer winter storage.
It's not the concrete that pulls oil out of the tire bodies. It's simple gravity. A smooth, light-colored concrete surface just makes it easier to notice where the oil has come out because the oil soaks into the concrete and leaves a stain. Parking long-term on ANY surface, with the tires not rolling for long periods of time, does the same thing. If you left the trailer parked long enough for black spots to form under the tires on concrete, black spots would form on the poly sheets, too, except that the oil washes off the poly sheets when it rains.

Most people don't let their RVs sit long enough for oil to leach out of the tires onto the pavement, unless they end up accidentally or deliberately turning their RV into a lawn ornament.
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