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 37. Assembly . . a. Install one pipe plug (4, fig: 3-146) Model AVDS-1790-20 only. Install five pipe plugs (3) in crankcase oil gallery along right side of crankcase. Install one pipe plug(2). Install two pipe plugs (1) in damper end of crankcase. a. 1. Install one pipe plug (4, fig. 3-146). Install ur pipe plugs (3) in the oil galle1·y holes lated o n right side of crankcase excep t be t we e n t h e mounting p+ds for cylinder Nos. 2R and 3R. Install one pipe plug (2). fnstall two pipe plugs (I) in damper end of crankcase. Install pipe bushing in the oil gallery opening located below and between the mounting pads for cylfoder Nos. 1 R and 2R. Install a 90° elbow in the bushing with leg directed toward the front of the engine, refer to figure I 3-180.1. b. Install one pipe plug(2, fig. 3-145) and four pipe plugs (1) in main oil gallery. SECTION V. REPAIR OF TRANSMISSION ADAPTER, STARTER, AND GENERATOR DRIVE COMPONENTS 38. General This section covers the repair of the transmission adapter, starter and generator drive components. These procedures include disassembly, cleaning, inspection, repair, and assembly. 3-49. Transmission Adapter a. Disassembly. 8 (I) Remove two bolts (6, fig. 3-l S8) attaching lifting eye (3) to tns mi ss i o n adapter (7). Remove lifting eye. Cut locking wire and remove two bol t s (5) at ta chi n g timing pointer to adapter. Remove timing pointer. (2) Do not remove the two dowel pins (2) or the two resilient mounts (1) unless inspection shows replacement necessary. To remove dowel pin or resilient mounts, press from adapter using an arbor press. b. Cleaning, Inspection, and Repair. Refer to paragraphs 3-36 tht'ough 3-38. c. Assembly. (1) If dowel pins (2, fig. 3-158) or resilient mounts(l)wel'e removed from transmis"sion adapt- er (7), install new parts using an arbor press. (2) Position timing pointer (4) on adapter and install· two bolts (5) securing pointer on adapter. Install locking wire securing bolts. Position lifting I eye (3) ·on a dapte r and install two bo lt s (6) securing lifting eye on adapter. 3-2. Starter Drive a. Disassembly. (1) Press the starter driven gearshaft from bearing cage. Using a suitable arbor press (fig. 8-169), remove oil seal from the bearing cage. Dis- card oil seal. 3·76 Change 2 (2) Press starter driven gearshaft (fig. 3-160) from upper ball bearing and press gearshaſt from lower ball bearing in a similar manner. 1 Resilient mount 2 Dowel p in (Models AVfl$.1790-2C and A VOS·17Z-20 only) 3 Lifting eye 4 Timing inter (Models AVOS·l7Z· 2C and AVDS-17Z-20 only) S Boll (Models AVDS·l7Z-2C and AVOS. AVOS.17Z-20 only) 6 Boll 7 Transmission adapter Fig1ffe 3·158. Removing or i+st11/li11g tm11smissio11 adapter lifting eye and timing pointer. ) )