TM-9-2815-220-34 Direct Support Manual for AVDS-1790-2C and AVDS-1790-2D Engines Download
Page 254 of 532
TM 9-2815-220-34 JG I IJ Figure 3-123. Re111011ing or iru10/li11g oil Jeol 01> and ho11$ing. Ir. Remove four capscrews and flat washers (fig. 3· 125) attaching oil seal housing support to crankcase assembly. Remove support from dowel pins in crank· case and remove and discard candlewick packing. NOTE It may be necessary to loosen No. 7 main bearing engine crankcase rod nuts (fig. 3- 1<) before removing support. i. Cut lking wire and remove twelve bolts (fig. 3- 125) attaching accessory drive gear to flange on crankshaft. Install three 7/16 x 1-1/8 in. accessory drive gear mounting bolts (fig. 3-1:) in tapped holes provided in accessory drive gear and alternately tighten bolts and pull accessory drive gear from flange on crankshaft. Remove puller bolts from gear. 3-52 figure 3-124. Remouing or iruto/ling oil 1eol howing n1ppor1. Figure 3·125. Re111011i11g or im111W11g acceuory tlriue gear mounting bolu. ) ) )