TM-9-2815-200-35 Maintenance Manual for AVDS-1790-2M AVDS-1790-2A and AVDS-1790-2AM Engines Download
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6-169 Figure 6-201 6-31 (t) Rotate the adjusting ring (fig. 6-201) 1 / 16-inch toward the rear of the bench (retard position) if the advance assembly advanced too soon. Move the adjusting ring 1 / 16-inch in the opposite direction (advance position) toward operator, if the advance assembly advanced too late. Tighten the slotted nuts, install cover and repeat steps (c) through (h), above. When ad- vance readings are within the prescribed limits. the advance assembly may be removed from the bench as outlined in step (i), above. Secure the adjusting ring slotted nuts with cotter pins. (5) Rear fan and accessory drive assembly. Refer to figures 6-154, 6-155, 6-188, 6-151, 6- 152, 6-153, 6-189, 6-190, 6-172, 6-202 6-170 through 6-168, 6-203, 6-153, or 6-152, 6-204 or 6-205, 6-164, or 6-162, 6-161 through 6-159.