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RayIN

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  1. When the Michelin dealer removed the failed tire, did he offer any explanation as to cause? When replacing just one dual tire, they must be within 1/4" in diameter: pg 73 of, https://commercial.bridgestone.com/content/dam/bcs-sites/bridgestone-ex/products/Databooks/Bridgestone-TBR-DataBook-v17.1-06-13-2017.pdf As to service life: https://www.michelintruck.com/assets/pdf/bulletins/TB_Service_Life_RV_Tires.pdf
  2. What Bill said, X2! If your valve is leaking, when you remove it, soak it in vinegar for a few hrs. Re-install and see if that corrects the leaking. If not, you only wasted a few minutes of time and 1C vinegar, then you may spend money for a new valve. FWIW, they usually leak when the air pocket/pressure cushion that is supposed to be in the top of the tank is absorbed by the water. Your valve removal, or simply opening the valve handle, plus draining about 1G of water, restores the air pocket.
  3. What richard linked-to is a press-fit, IF the groove is cut to width properly.
  4. Read my reply to richard, I think I explained it correctly. The pressure difference would be small IMO. FWIW, my tires have such a pressure increase, IMO it is due to the tire shops air compressor "water trap" efficiency and level of maintenance.
  5. My apologies, profound was the wrong word, significant would be more suitable to the sentence and subject matter. As to the size of the container, in this instance a truck tire, it is immaterial, as all ideal gas's have the same size molecules and occupy the same space when at the same pressure. ref: Avogadro's Law Normal pressure change is (where is tireman9)2% for every 10° tire temperature change-using dry air/nitrogen. You may calculate that for your specific tires, then factor in Dalton's law. (I'm not up to doing the calculations at my age) Using SgtJoe'''s tires for the example, tires set at 100psi; 2% = 2psi for a 10° temperature change. Now assume his cold tires are at 60° before he begins a trip, an hour into that drive/trip his tire temperature is 120°, a 60° temperature change = 18° when hot- with dry air/nitrogen; then Dalton's law (water into vapor expansion rate) comes into effect to further change pressure. I forgot, each brand of tire has different characteristics due to construction materials and methods, which is an un-calculable variable to this subject.
  6. richard, Daltons law defines the expansion rate of air that contains moisture.As previously stated, if no air dryer is used it can have a profound effect on air pressure. We cannot ignore the fact that ALL tires are mounted at current atmospheric humidity, so some % of moisture content is always present, even when the tires are then pressurized with Nitrogen. When I was in high school I worked part-time at the local Goodyear store as a tire changer. It was not uncommon to break down a tire and see an ounce or more of water in the tire.
  7. When we owned a 5er, I would determine where the roof braces were by observing the roof on a cool morning when there is dew on it. The roof braces will stand-out, I remember their locations, and try to only step on them when I was on the roof. If I was really working on the roof I hauled up a 3' sq piece of 1/2" plywood to stand/work on. Our MH is not made so lightly, I can step anywhere without the roof deflecting.
  8. Nearly all RV transport companies prohibit using anything in the RV, including sleeping on the floor.
  9. RayIN

    TIRE Balance

    This is concerning putting anything other than air inside a Michelin tire. Reference page 4 of : https://www.michelintruck.com/assets/pdf/MLN_Truck_Tire_Warranty.pdf Personal experiences with Tyron bands: https://community.fmca.com/topic/778-tyron-bands/
  10. RayIN

    Open Cummins campaign

    I remember both! You're right, engine # is a public thing, like VIN. That reminds me, I created a document right after we bought our MH(took a few months) listing all the serial numbers for everything in/on our MH that has one, and I could find. Might be helpful if the MH is ever stolen or destroyed.
  11. RayIN

    Open Cummins campaign

    I know, I didn't want to insert my engine #, that was supposed to be an example. I suspect it boils down to which brand air compressor was used on which engine.
  12. RayIN

    Open Cummins campaign

    I remember reading something about this several years ago, but didn't give it much thought at the time. I only recently joined Cummins QuickServe, and this notice was there today. The header says 'Engine parts information- my engine serial # - ISC CM554. I plan to ask the shop owner what all that means when I go pickup my MH tomorrow. The campaign number is C0111, listed "open". Perhaps this statement has something to do with my engine vs other engines: " The ISC engine has been produced with two brands of air compressors since its introduction in March, 1998." reference: https://quickserve.cummins.com/service/toss/2000/05/iscts.htm Cummins QuickServe is free to join, requires your engine serial number and a few other specifics. If you order parts through the website(my original intent) you receive a 10% discount.
  13. Me too wayne, the manual buttons are for tweaking. I usually set the front a smige high so rain water isn't dripping from the gutter at the door. Some day I've got to do it right and re-adjust the leveling "brain box".
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