TM-9-2815-200-35 Maintenance Manual for AVDS-1790-2M AVDS-1790-2A and AVDS-1790-2AM Engines Download
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1. Turn engine using splined wrench -5120-793-7895 as shown in figure 4-51 until one pair of bolts (A) on the diaphragm coupler is exposed for removal. 2. Remove two bolts and lock washers. Turn engine until remaining pair of bolts are accessible and remove them. Figure 4-54. Removing fuel injection pump diaphragm coupler bolts. 4-28