TM-9-2815-220-34 Direct Support Manual for AVDS-1790-2C and AVDS-1790-2D Engines Download
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- � TM 9-2815-220-34 all maintenance levels are listed in and prescribed by TM 38-750. 1-3. Reporting of Errors (Deleted) REAR STARTER L4 VOLTAGE PROTECTIVE MODULE FAN HOUSING LEFT TURBOSUPERCHARGER FRONT FAN HOUSING FIRE EXTINGUISHER TUBE PRIMARY FUEL FILTER CONSTANT - - - - - -� ������� �� -LEED LINE SMOKE GENERATOR MANUAL FUEL SHUT-OFF VALVE PRIMARY FUEL FILTER ENGINE INSTALLATION GUIDES FUEL/WATER SEPARATOR AUTOMATIC DRAIN CONTROL CYLI NOER HEAD 01 L DRAIN TUBE TA265602 I Fire 1-R. AVDS-17Z-RC e11gi11e assembly - leſt fro11l view. 1-4. Differences Between Engine Models a. The Model AVDS-1790-2C engine is equipped with a 28 volt, 650 ampere, oil cooled de generator (fig. 1-1). b. The Model AVOS-1790-20 engine is equipped with a 28 volt, 300 ampere, air cooled de generator (fig. 1-5). c. The Model AVOS-1790-20Rengine is similarto Model AVOS-1790-20 except that it has a power take-off unit mounted on the damper housing, and a solenoid controlled throttle linkage designed to maintain a minimum engine speed for operation of the power takff unJt (fig. 1-7.1 ). The turbo- superchargers are located approximately 2.50 inches inboard which necessitated rendexing the turbosupercharger outlets to accommodate the 1-2 Change 3 new location (figs. 1-7.l and 1-7 .2) . The flywheel has an inteal ring gear for dring the trans- mission and is mounted to U1e crankshaft through an adapter (fig. 1-7.4). TI1e transmission adapter (housiJ1g) serves a spacer for attaching the transmission to the engine. Fuel injection pump overflow fuel is routed back through the front engine sl1roud, and the fuel retu tube cross at the rear of the engine is blocked. Th.is model is not equipped with engine installation guides or wiring haess. d. The Model AVDS-l 790-2CA is slmilar to the Model A VDS- l 790-2C except it js equipped with a clean air package (fig. 1-7 .5 ). Description and repair procedures for the Model AVDS-1790-2CA are covered in Chapter 4 of this manuaJ.