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Old 11-11-2019, 02:17 PM   #1
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Tires or Jacks?

I have a 40' Class A dp. It will be sitting idle for approx 2 months. Is it better to keep it resting on the tires, or should I level it with the hydraulic leveling jacks?
The location has a slope to it for drain purposes. The slope is steep enough that I cannot open the slideouts without leveling. Just curious whether there are issues with the jacks remaining in the extended position for 2 months.
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Old 11-11-2019, 03:18 PM   #2
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My RV Port in WI is on level ground. For the past 16 years, when I park the coach, I just dump the airbags and let it sit. It's surrounded with trees, so no need to cover the tires. Here in AZ, I do the same except that it is in the open so I cover the tires. I don't think it matters whether you store on the jacks or the tires. I've stored dozens of trucks and heavy farm equipment on their tires for several months at a time with no problems.
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Old 11-11-2019, 04:02 PM   #3
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1 night or 2 months on the jacks.
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Old 11-11-2019, 04:24 PM   #4
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I put the jacks down, then let the air suspension down onto the jacks. That way a lot of pressure is removed from the tires.

Here is what Goodyear indicates:

Quote:
Storing Your Vehicle Without Removing the Tires

Ideally, a vehicle in storage should be placed on blocks to remove all weight from the tires. If the vehicle cannot be put on blocks, follow these steps for tire protection:

Completely unload the vehicle so that minimum weight will be placed on the tires
Inflate tires to recommended operating pressure plus 25%. Ensure that the rim manufacturer’s inflation capacity is not exceeded
Be sure the storage surface is firm, clean, well drained and reasonably level
Avoid moving the vehicle during extremely cold weather
Move the vehicle at least every three months to prevent ozone cracking in the tire bulge area, as well as “flat-spotting” from the prolonged strain of sidewall and tread deflection
Adjust inflation before putting the vehicle back into service
https://www.goodyearrvtires.com/tire-storage.aspx
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Old 11-11-2019, 04:33 PM   #5
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Let the jacks down such that pressure is off the tires and suspension.
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Old 11-11-2019, 05:06 PM   #6
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Just enough jacks to take the weight off of the tires and prevent making a flat spot.
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Old 11-11-2019, 05:19 PM   #7
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Dealers don’t store inventory with jacks down. Some rigs sit for months on end without being moved. 2 months is nothing.
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Old 11-11-2019, 05:26 PM   #8
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Thanks everyone for your replies.
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Old 11-11-2019, 10:52 PM   #9
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Quote:
Originally Posted by Triple H View Post
Dealers donít store inventory with jacks down. Some rigs sit for months on end without being moved. 2 months is nothing.
I agree that dealers do not store inventory with any consideration to speak of.

However, quoting or mimicking actions of a dealer/service center tech/salesman is not the best way to honor your motorhome.

OP, one common method is to level with the jacks. Manually raise an extra inch or two, insert pads/blocks under the frame and then raise the jacks. Some pressure should be off the tires (good), the MH will be stable (good), there is no stress on the jacks, and there is no possibility of a hydraulic leak leading to greater damage while being stored.
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Old 11-11-2019, 11:35 PM   #10
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Does everyone who swears that jacks down is the way to go put all their other vehicles up on blocks when not in constant use? Ever seen a 747 up on blocks to take the weight off the tires?
Other than protecting tires from sunlight and moisture/weather while parked nothing else is really necessary.
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Old 11-12-2019, 07:36 AM   #11
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Quote:
Originally Posted by awol50 View Post
Does everyone who swears that jacks down is the way to go put all their other vehicles up on blocks when not in constant use? Ever seen a 747 up on blocks to take the weight off the tires?
Other than protecting tires from sunlight and moisture/weather while parked nothing else is really necessary.
Correct, nothing else is "necessary" and we often hear about folks that have parked their farm vehicles for years in the fields and simply started them up and driven without problems (perhaps not optimal?).

But, for those with a compulsive disorder you can read the recommendations from the folks that designed, manufactured and warrant the tires...

Michelin*says this:

"LONG TERM STORAGE OF RV TIRES
Unless the RV owner is a full-time RV-er, the vehicle
probably spends some time in long-term storage. But
what the RV owner probably didn’t know is that rubber
tires age when not being used. So, if the owner must store
the RV, a cool, dry, sealed garage is the best bet. Also, some
storage surfaces can cause tires to age faster. That’s why
Michelin recommends placing a barrier (cardboard,
plastic or plywood) between the tire and the storage
surface.
Here are some other steps the RV owner can take to
help reduce the aging effects from long-term storage:
1) Thoroughly clean tires with soap and water before
placing into storage.
2) Cover tires to block direct sunlight and ultraviolet
rays.
3) Store out of a high ozone area.
Note: When a vehicle is stored, tires should be inflated
to the inflation pressure indicated on the sidewall.
Before removing the vehicle from long-term storage,
thoroughly inspect each tire – this includes sidewalls,
tread area, and pressure. If the tires have lost pressure, be
sure to inflate them to the correct pressure before driving
"
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Old 11-12-2019, 12:32 PM   #12
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Quote:
Originally Posted by Domo View Post
Michelin*says this:

"LONG TERM STORAGE OF RV TIRES
Unless the RV owner is a full-time RV-er, the vehicle
probably spends some time in long-term storage. But
what the RV owner probably didnít know is that rubber
tires age when not being used. So, if the owner must store
the RV, a cool, dry, sealed garage is the best bet. Also, some
storage surfaces can cause tires to age faster. Thatís why
Michelin recommends placing a barrier (cardboard,
plastic or plywood) between the tire and the storage
surface.
Here are some other steps the RV owner can take to
help reduce the aging effects from long-term storage:
1) Thoroughly clean tires with soap and water before
placing into storage.
2) Cover tires to block direct sunlight and ultraviolet
rays.
3) Store out of a high ozone area.
Note: When a vehicle is stored, tires should be inflated
to the inflation pressure indicated on the sidewall.
Before removing the vehicle from long-term storage,
thoroughly inspect each tire Ė this includes sidewalls,
tread area, and pressure. If the tires have lost pressure, be
sure to inflate them to the correct pressure before driving
"
Does anyone actually do the above when storing their RV?? Do they wash all 12 sides of the tires of a non tag coach or all 16 sides of a tag coach? What about the 8 or 10 inside surfaces that never see soap and water in their lifetime? Do the unwashed sides fail more than the washed?? The only directive that has any practical benefit is covering them when exposed to long term sunlight. In my 60+ years of vehicle ownership of many heavy trucks and RVs, the only tire failures I can recall were caused by a puncture or valve stem leak that lead to underinflation. Common sense, correct pressure, visual inspections and covered when in storage will result in trouble free tire life.
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Old 11-12-2019, 01:52 PM   #13
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Quote:
Originally Posted by Crasher View Post
Does anyone actually do the above when storing their RV?? Do they wash all 12 sides of the tires of a non tag coach or all 16 sides of a tag coach? What about the 8 or 10 inside surfaces that never see soap and water in their lifetime? Do the unwashed sides fail more than the washed?? The only directive that has any practical benefit is covering them when exposed to long term sunlight. In my 60+ years of vehicle ownership of many heavy trucks and RVs, the only tire failures I can recall were caused by a puncture or valve stem leak that lead to underinflation. Common sense, correct pressure, visual inspections and covered when in storage will result in trouble free tire life.
As I have owned a significant number of tires on different equipment as has Crasher and simply wouldn't have had the time or resources to do anything but park the equipment. Nothing special was ever done except air pressure to avoid having a low tire sit. Tires on an RV typically age out and if they don't then you are a lucky one to be traveling that much.

Way to much overthinking on this one
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Old 11-12-2019, 01:56 PM   #14
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Quote:
Originally Posted by Triple H View Post
Dealers donít store inventory with jacks down. Some rigs sit for months on end without being moved. 2 months is nothing.
Years at times
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