Roller mill with removable separator structure

A roller mill including a mill housing with mill rollers therein, a separator positioned above said mill housing, and an exhaust air duct positioned above said separator, the combination therewith of track means extending from adjacent said roller mill to a position beyond said roller mill for supporting said separator and for guiding said separator horizontally from between said mill housing and said exhaust duct, whereby said separator can be removed from between the mill housing and the exhaust duct and moved along the track until the mill rollers in the mill housing are accessible to a crane or the like movable along the same track.