Deep Grove Ball Brg. . 12 December 2012 Mill Trunnion Replace with Mill Shell. Tuesday, 11 December 2012 ' V ' Belts; Monday, 10 December 2012 Shaft Alignment; Microsoft Word DD_489_ AMC 05 Pinion OB Brg greasing. 06 Main . (not more than 5 drums of balls will be kept near mill. Ball drums .