TM 5-685/NAVFAC MO-912, TECHNICAL MANUAL, OPERATION, MAINTENANCE AND REPAIR OF AUXILIARY GENERATORS (AUG 1996)., This manual covers the various types of auxiliary power generating systems used on military installations. It provides data for the major components of these generating systems; such as, prime movers, generators, and switchgear. It includes operation of the auxiliary generating system components and the routine maintenance which should be performed on these components. It also describes the functional relationship of these components and the supporting equipment within the complete system.