TM-9-2815-200-35 Maintenance Manual for AVDS-1790-2M AVDS-1790-2A and AVDS-1790-2AM Engines Download
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Remove 1. Remove six bolts (A), lock washers, and flat washers attaching camshaft gear housing cover. 2. Remove cover and gasket (B). Discard gasket. Install 1. Position new gasket (B) on camshaft gear housing. Install camshaft gear housing cover. 2. Install six bolts (A), lock washers, and flat washers securing cover. Figure 4-198. Removing or installing cam- shaft gear housing cover. Figure 4-200. Removing or installing cam- shaft drive gearshaft plug using mechanical puller-5120-678-5282. d. Special Timing Instructions. With cylinder 6R intake valve set at the just closing point (fig. 4-195) turn flywheel approximately 1/8 of a turn (or 45 degrees) clockwise (viewed at flywheel end) to remove backlash in g-ear train ; then turn flywheel counterclockwise until timing mark (fig. 4-196) is alined with the timing pointer. Install camshaft drive shaft (fig. 4-201), mating splines of drive shaft with splines on drive gearshaft and with splines on cam drive bevel gearshaft. When splines of drive shaft will not enter splines of cam drive bevel gearshaft, withdraw drive shaft and turn slightly before again attempting insertion. Figure 4-199. Removing or installing cam- shaft drive gearshaft plug retaining ring. Figure 4-201. Removing or installing cam- shaft drive shaft using mechanical puller-5120-678-5282. 4-102