Lifting tires off ground when storing for extended period? - Page 2 - Fiberglass RV


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Old 02-10-2017, 11:37 AM   #15
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I guess what we need is a scientific experiment to settle this once and for all. We need someone to buy two identical Scamps, park them side by side, perform identical maintenance on both, take and use them both on every trip (guess that means we're looking for a couple with two tow vehicles, sleeping, cooking and eating in separate trailers). Store one on jacks and the other on the ground. Continue for 20 years and assess the axle condition. Then we'd need to recruit several dozen other couples to do the same to control for climate, driving habits, frequency of use, and other variables.

Until that happens, I will continue to do what Scamp recommends:
"Removing weight from axle: Jack up the axle and block it up to take the weight off the suspension. The tires don't have to be off the ground. Just take the main weight off the axle. Leaving the weight of the trailer on the suspension for extended periods while stored is extremely hard on the torsion axle. The rubber will compress and not relax as fully as before. Relieve tire pressure to 10 or 15 pounds while stored. This will extend your tire life."
from Winterization Checklist - Scamp Trailers
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Old 02-10-2017, 11:50 AM   #16
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If you go the jack stand route Tractor Supply sells some combo bottle jack, jack stands. Powerbuilt 3-Ton All-in-One Jack - For Life Out Here.
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Old 02-10-2017, 11:56 AM   #17
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That's pretty neat. Another thing I do, I have an old "scissor" jack I use with my cordless drill. Works great and is fast. (along with jack stands)

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If you go the jack stand route Tractor Supply sells some combo bottle jack, jack stands. Powerbuilt 3-Ton All-in-One Jack - For Life Out Here.
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Old 02-10-2017, 12:03 PM   #18
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Two things damage tires on an RV when it is stored. One is sitting in the same position for extended periods and the second is the UV light from the sun.
If my trailer is to sit for a month or more I lift the wheels off the ground. I installed four 5000 lb scissor jacks, two on each side slightly ahead and behind the axles. They have the capacity to lift the trailer completely of the ground and raising each a little at a time in succession evens the pressure on the chassis. This not only saves my tires but also relieves the tension on my suspension.
I'm a boondocker so I use these jacks quite a bit to level my unit in the back country and then use the original stab jacks that came with the trailer for added stability.
I have grease fittings on my axles that I use prior to each camping season.
I cover my tires to protect from sunlight when ever my unit is parked.
I drop the tire pressure to 20 psi each fall before storage.
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Old 02-10-2017, 12:22 PM   #19
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Question - I was told years ago that radial ply tires should always rotate in the same direction . When my tires are rotated on my vehicles they are rotated front to back always on the same side of the vehicle. Is it OK to swap sides on a trailer thus reversing the rotation direction ?
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Old 02-10-2017, 12:28 PM   #20
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Escape advises to swap front to back. Not side to side.
Since I have a single axle, I can strike that chore off my list.
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Old 02-10-2017, 12:33 PM   #21
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Since the standard rims have zero offset , could you not rotate the tires from side to side if you flipped the rims so the paint stripe is to the inside ?
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Old 02-10-2017, 12:39 PM   #22
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Years ago the advice was to keep the rotation the same on radial tires, but now the advice is for non-directional tires to rotate on cars just like we used to do on the old Bias ply, putting the full sized spare into the rotation and cross rotating.
I can't speak for the Chinese maypop tires, however.
With the age of the tires being more important the wear for most of us I don't see ap problem either way.

I very carefully leave my camper parked with the exhaust fans pointed up, dirty side down.
I know about the care of bearings and how important, but I wonder how cars go 300,00 miles like my last one with no wheel bearing service whatever?
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Old 02-10-2017, 01:06 PM   #23
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[QUOTE=widgetwizard;626744]I think you already know the answer to that if you are honest. THAT is the main reason for the curb-side tire failures that we see.
QUOTE]

Most likely just the camber of the road surface!
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Old 02-10-2017, 01:32 PM   #24
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If tires are oriented to turn in one direction it will be marked on the sidewall.
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Old 02-10-2017, 03:16 PM   #25
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I didn't have the means to lift my trailer this winter, so I just kept the snow off of it and cleared around it, and about mid-way through winter, I just pulled it forward about a foot to avoid flat spots. Once I get my RV lifestyle completely dialed in, I'll definitely lift the trailer and give the tires a spin now and then.

At least with my truck tires, I always have them installed with the "black wall" out, instead of the white wall. So if direction matters, I've been driving backwards on all four of my tires for decades. Since the tire place never mentioned it, and I think they actually asked me once which way I wanted them, it must not matter on modern tires.

With rims, however...I feel like they're only meant to face one way. Could be wrong, since most vehicle tires do have some offset, but I'd be hesitant to mount a rim backwards without asking the manufacturer, even if it does have zero offset.
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Old 02-11-2017, 12:18 PM   #26
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I take half the weight off my tires and rotate them every couple of days. I call it camping
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Old 02-11-2017, 04:58 PM   #27
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Quote:
Originally Posted by emij View Post
Ours is stored exactly the same way. We go over every couple of weeks to check on it, spin the tires, dream about camping season I think we are breaking her out in April this year, though! May seems too far off!
Casita manuals say do not lift under the axle. Period. It will bend since it is a tubular type.
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Old 02-11-2017, 05:09 PM   #28
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Quote:
Originally Posted by Jann Todd View Post
Casita manuals say do not lift under the axle. Period. It will bend since it is a tubular type.
Steve said, "The trailer is supported with wooden blocks positioned under the frame on both sides of the axle" (emphasis added).

Emily responded, citing Steve's post, "Ours is stored exactly the same way."

I think we're on the same page. Lift and support on the frame, not the axle tube.
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