Introduction Page Description For an example of a Century Class Trucks Maintenance Manual , see Fig. 1 . A B C 11/20/95 D E f020044 A. Maintenance Operation Number consists of the Group Number followed by the Sequence Number B. Group Title C. Group Number D. Release Date E. Group Number/Page Number Fig. 1, Example of a Century Class Trucks Maintenance Manual Page Century Class Trucks Maintenance Manual, March 2011