TM-9-2815-220-34 Direct Support Manual for AVDS-1790-2C and AVDS-1790-2D Engines Download
Page 191 of 532
TM 9-2815-220-34 CHAPTER 3 REPAIR INSTRUCTIONS Section I. PREPARATION OF ENGINE FOR DISASSEMBLY 3-1. General This section covers the preparation of the engine for disassembly. Refer to the pertinent TM's cover- ing the removal of powerpack from the vehicle and separation of the transmission from the engine. 3-2. Draining, Cleaning, and Preliminary In- spection a. Lift engine using multiple sling part number 12257229 (fig. 3-1) and pl ace engine on suitable blocks. a.1. Lift Model AVDS-1790-2DR using engine lift- ing sling, part number 11671664, in a manner simi- lar lo paragraph a. above. However, the front of the engine is lifted al the crankshaft damper and filter housing lifting eyes. b. Remove oil pan drain plug (lig. 3-2) and drain oil into a suitable container with approximately twenty gallon capacity. c. Remove oil vent capscrew and seal washer (fig. 3-3). Remove and discard seal washer. Loosen oil drain valve six complete turns and allow oil to TA02I°995 Fil 3-J. Liſti 11g �m{li 11e, model A \IDS-J 790·2C e119i11e shown. Change 2 3-1