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 13-32. Flywheel, Flywheel Adapter, Trans· mission Adapter, Transmission Hous- ing Adapter, Crankshaft 011 Seal Hous· Ing, and Accessory Drive Gear . Straighten tabs of lock plates (fig. 3-117) anc remove nine bolts and three lock plates attachin� transmision drive spur gear and flywheel tc crankshaft. Install three 9/16 x 1-3/4 in. transmis· sion spur gear mounting bolts into puller scre\1 holes and remove transmission drive spur gea1 from crankshaft dowel pins by alternately tighten ing the three bolts. Remove the pu1ler screws from tho spur gear. Figu3·117. Removing or installi+g lrana111iBSio11 drive spur gear, moclct AVDS·l790·2C and AVDS-1190-20 engines. b. Position flywheel to locate lifting eye bolt hole at top center. Install three 9/16 x 1-3/4 in. bolts(fig. 3-118) from transmission drive spur gear and flywheel into flywheel puller holes. Alternately tighten bolts until flywheel is far enough from crankshaft dowel pins to permit installation of lift· ing eye bolt. Install lifting eye bolt Par t No. MS5l937-7. CAUTION Use care in removing the flywheel from the dowel pins so as not to bind the flywheel on lhe pins. c. Remove flywheel from the two dowel pins in flange of cxankshaft. Remove three puller bolts from flywheel. c.J. Position flywheel to locate lifting eye bolt hole at top center. Install lifting eye bolt, Part No. MS51937-7 (fig. 3-118.1). Cut locking wire and re· 3·50 Change 1 fLUHEEL t'i3·118. Uc11101•i11yfly1d1e1•l, 11wdet A \IDS-1790-C a11d Al'DS-1790-tD t•11yi11es. move eight machine bolts. Remove flywheel and remove lifting eye bolt. c.2. Straighten tabs on three lock plates (fig. 3-118.2). Remove nine machine bolts and lock plates securing flywheel adapter to cranksahft. Disr.ard lock plates. Figure,./ 18.1. Remoi•i11y or 1nst111/i119Jlyn•licet, owdrl AVDS-1790-DR engi11r. ) )