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. Remove fuel injection pump (A) from mounting base. 2. Remove and discard preformed packing (B) from mounting base. 3. Remove bolt (C) and washer. Note. Plug or cap fuel and oil openings in pump. Figure 4-58. Removing fuel injection pump and preformed packing-diaphragm coupler. 1. Place a metal rod in one of the sleeve alinement holes (A) as shown in figure 4-63. Coupler sleeve must be in rigid position to remove nut. 2. Remove plain nut (B) and lock washer. Note. The nut, lock washer, and key are part of the pump assembly and must be installed on pump after hub is removed. Caution: The splined coupler halves are a matched set. Damage or wear to the sleeve or hub of either coupling half requires the replacement of a complete coupler assembly. Figure 4-59. Removing fuel injection pump front splined coupler sleeve nut and lock washer. 4-31