Have a look at the information on this site to help you understand and find your correct pressures - scroll down for the Motorhome info.
and Download the guide.
You must know axle weights and understand what the numbers mean on your tyre walls before deciding the pressures required.
Tyre Safety Information | TyreSafe - Promoting UK Tyre Safety and Driver Awareness
For Youtube videos of Aires and other stuff - www.youtube.com/user/keithchesterfield
I had the van weighed, 3340kg, so I split the weight in half for that form - which appears to be a (semi) valid method - after all, it's the 'axle' load they're asking for, rather than the weight on each wheel.
The maximum pressure only applies to the USA ...
Remember - POI additions and updates can be sent by email to POI@wildcamping.co.uk
Some systems tell you to use 80PSI regardless of load, if you are using Camping tyres. Presumably because they think you are going to grossly overload the vehicle.
Far better to get accurate weights for each axle and use thise figures. And don't say you have camping tyres, even if you have.
As per other posts, I weighbridged the van fully loaded, emailed the weights, exact make model of van + exact details of tyres, to the tyre manufacturer, Continental, and they emailed me back a chart matrix indicating the safe range of pressures for each axle for optimum safety, tyre wear and comfort.
Pressures were considerably less than Peugeot's generic standard door pillar/Autocruise's handbook readings. Improved comfort on our potholed roads and the tyres have now done 26000 miles with 4-5 mm left and are wearing very evenly with no excess wearing in the centre or outer edges such as you get with overinflation.
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