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Old 02-02-2019, 08:14 AM   #1
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Tire Pressure

I just purchased a 2012 Allegro Open Road 32CA I am hoping someone can give me tire pressures I can use until I can ge it weighed. I can not find a tire weight chart any where in th coach.
Thanks Chuck
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Old 02-02-2019, 08:51 AM   #2
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For a trip to the scales, use the PSI on the sidewall. No harm no foul. Just a bit bumpy.

I found a tag in a cabinet up and bring the drivers seat on one MH.
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Old 02-02-2019, 10:25 AM   #3
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Agree with twin boat, go with the max on the side wall. If you have Michelin’s, go to their site and find the chart that matches your tire model and size. Use that as a guide once you are loaded and fueled up etc for a trip. Add 5% . Tire pressure should not be set any lower than 75% of the max.
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Old 02-02-2019, 01:51 PM   #4
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My tire/ weight sticker is on the upper inside henge side of the main entry door frame. ( I had to ask here on the forum or would have never looked there. All my previous RVs had it near the driver seat someplace. )
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Old 02-05-2019, 07:42 AM   #5
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Until you get weighed, use the weight posted inside the door. Probably 90 pounds.
I has a 32SA. After weighing I calculated using instructions in manual, that I could go as low as 75 pounds, but thought that too low, I am now at 85 pounds and can't beleive how much better the ride is! Much more pleasure to drive.
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Old 02-10-2019, 07:36 AM   #6
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I perused the Michelin pamphlet on the tires and they call for independent wheel weighing to get the job done correctly. There are no such facilities in North Fort Myers Fl. that I can find. The closest place is on the East Coast of Fl. with the safety gang.
Do people approximate the pressures based on the axel weight that can be obtained at a CAT scale?
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Old 02-11-2019, 05:38 PM   #7
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I used the CAT scale by leaving one side tires on cement and weighing first with just one front tire, then pulling up till just the two tires on same side were on scale. ,
THen backed up and did the other side same way. Then weighed frontvtogether , back together and who rig.
So it takes several weights but gets you what you need to know.
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Old 02-11-2019, 05:43 PM   #8
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Quote:
Originally Posted by cseidel View Post
I just purchased a 2012 Allegro Open Road 32CA I am hoping someone can give me tire pressures I can use until I can ge it weighed. I can not find a tire weight chart any where in th coach.
Thanks Chuck
There should be tire pressure recommendation inside hinge side of door.
Probably 90 pounds.

If you use max pressure on tire sidewalls you will be safe, but will sacrifice ride quality and handling. It will ride very rough.

I have mine at 85 and rides much better. Still above minimum calculated after wheighing fully loaded including water and full tank of gas.
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Old 02-11-2019, 05:44 PM   #9
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Quote:
Originally Posted by Rspitler View Post
I used the CAT scale by leaving one side tires on cement and weighing first with just one front tire, then pulling up till just the two tires on same side were on scale. ,
THen backed up and did the other side same way. Then weighed frontvtogether , back together and who rig.
So it takes several weights but gets you what you need to know.
CAT has a very specific mention about not being able to do that. Maybe I can swing a deal with the local facility.
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Old 02-11-2019, 05:53 PM   #10
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Pressure on the sidewall of a heavy duty tire in NOT the maximum, it is the minimum cold pressure to support the maximum rating of the tire.
On a car tire it is the maximum cold pressure the tire should ever have.
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Old 02-12-2019, 06:41 AM   #11
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When in doubt, run Max air pressure listed on tire. After you have a four corner weight you can adjust your pressures
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