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tireman9

Cold Inflation or CIP

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Just a reminder. When inflating tires we do not adjust for expected future temperature changes. Inflate tires to your goal inflation which you learned after learning your actual load on each tire. AKA "4 Corner weight" which means the load on each position RF, LF, RR, LR (If you have a Tag axle than you also need RT and LT. If you have not learned your corner weights then I suggest you at least get individual axle loads and assume a 2% axle end-to-end unbalance that means take the truck scale printout for each axle and assume that one end has 52% of the total on that axle. This 2% adjustment may not be enough for all RVs as we know that some axles have been found to be 1,000# or even 1,500# out of balance side to side but we are trying to catch as many out-of-balance coaches as possible. If this 52% calculation presents problems with finding the correct CIP this suggests that you really need to find a scale where you can weigh each end of each axle. If you are going to an FMCA Int'L Convention then be sure to sign-up to get your coach weighed by RVSEF. Openings can fill up so get signed up as soon as possible. If you can't get to an FMCA Convention then check the RVSEF website for the locations where they are weighing coaches.

If you have a question on just what we mean by "Cold Inflation" here is the statement from US Tire & Rim Association.

Cold Infl.jpg

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Welcome back Roger. It's good to see you here again, seemingly your accurate advice wears-off after a period, and we need a refresher instruction post.

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