http://camper.hemax.com/News/1538/Dusting_the_Engines

'Dusting an engine' refers to when dust gets past the air cleaner in the air inlet of the engine. Dust in the engine acts like a super-fine abrasive (a very effective one at that) which, over time, depending on how much dust and the size of the dust particles, puts paid to the internals of the engine. As you can gather, it is a very expensive fix!

>>> http://archive.commercialmotor...se-damage-to-engines

http://www.engineprofessional.com/TB/TB012615-1.pdf

https://blog.campingworld.com/...s-engine-air-filter/

https://www.cumminsfiltration.com/south-pacific/air

>>>> https://www.chiptuning.com/en/...otorhome-tuning.html