TM-9-2815-200-35 Maintenance Manual for AVDS-1790-2M AVDS-1790-2A and AVDS-1790-2AM Engines Download
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Section IX. REPLACEMENT OF FLY WHEEL AND CRANKSHAFT OIL SEAL 4-19. General This section covers the replacement of the and installation of the flywheel and crankshaft flywheel and crankshaft oil seal. Refer to Table oil seal. Figure references are listed under ap- 4-8 for illustrations and instructions for removal propriate headings in the table. Table 4-8. Flywheel and Crankshaft Oil Seal Component Removal Installation Flywheel 4-171 through 4-174 4-174, 4-183, 4-171 Crankshaft Oil Seal 4-171 through 4-180 4-181, 4-182, 4-179, 4-178, 4-176 through 4-174, 4-183, 4-171 4-20. Replacement Instructions 1. Install three bolts (A) from transmission drive gearshaft and flywheel into puller screw holes provided. 2. Pull transmission drive gearshaft from crankshaft dowel pins by alternately tightening the three bolts (B). Figure 4-172. Removing transmission drive gearshaft using bolts as puller screws. Remove 1. Using splined wrench - 5120-793-7895, as shown in figure 4-51, position flywheel so that lifting eye bolt hole (A) is located on top of flywheel. 2. Straighten tabs of lock plates (B) securing nine bolts. 3. Remove nine bolts (C) and three lock plates attaching transmission drive gear shaft and flywheel to crankshaft. Discard lock plates. Install 1. Install three lock plates (B) and nine bolts (C) securing transmission drive gear shaft and flywheel to crankshaft. Tighten bolts to 1000 pounds-inch torque. 2. Bend tabs of lock plates (B) securing nine bolts. Figure 4-171. Removing or installing trans- mission drive gearshaft and flywheel mounting bolts. 4-88