General measurements coal drier number 1 and 2, diagnosis, conclusion and recommendations. Hot Axis Alignment (direct method), girth gear run out and wobbling, tyre wobbling and roller axis deflection, shell external topography, roller axis position, tyre and rollers topography. Burner axis alignment. Stifness matrix. Lead wire test (contact pattern). Hertzian pressure analysis of tire, rollers and shell. Visual inspection.