Downloaded from https://www.everyspec.com MIL-STD-1808C w/CHANGE 1 SYSTEM SUB-SYSTEM TITLE DEFINITION 72 (2) ENGINE: RECIPROCATING 00 GENERAL The portion of the system covering general information, limits, and procedures. 10 FRONT SECTION The portion of the system containing propeller shafts and reduction gears. Includes drives for nose mounted accessories, etc. 20 POWER SECTION The portion of the system containing the crankshaft, master and link rod assemblies, cams, cam drive gears, tappet guides, rollers, carriers, etc. 30 CYLINDER SECTION The portion of the system containing the cylinders, valves, pistons, push rods, intake pipes, baffles, etc.
Also includes rocker arm assembly, valve springs, etc. 40 SUPERCHARGER/ TURBOCHARGER SECTION The portion of the system containing cases, shroud plates, Power Recovery Turbine (PRT) coupling and gearing, impellers and drives, accessory drives, bushings, etc. 50 LUBRICATION The portion of the system used to distribute oil throughout the engine. Includes front and rear pressure and scavenger pumps, sumps, strainers, valves, etc. Also includes oil lines not included in System 79, OIL. Does not include items that form integral passages within the engine. 83