OPERATION 3.2 CONSTRUCTION OF THE SHOVEL Eliminator Engine Oil Filtration System Legend for illust. Z 21541 (schematic illustration) (A) Oil inlet from engine (100%) (E) Oil flow to engine oil pan (5%) (B) Oil outlet to engine (95%) (1) Stainless steel filter removes particles as small as 20 µm (C) Backflush oil (5%) for cleaning the filter (2) Centrifugal separator removes particles up to a size of 2 µm (D) Oil flow to centrifuge (5%) 71