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 Note. Before the fuel injection pump is in- Figure 4-68. Timing marks on fuel injection pump bearing retaining plate and diaphragm coupler hub alined. Figure 4-69. Disconnecting or connecting primary fuel filter drain line. stalled on the engine, the engine must be properly timed with number one right bank cylinder in the firing position. In order to set engine timing, it is necessary to remove the primary fuel filter bracket and throttle linkage to check position of camshaft. lobes (fig. 4-73). 1. Remove three screws (A) and lock washers attaching primary fuel filter bracket and throttle linkage plate to number 1R cylinder assembly. 2. Remove two bolts (B) attaching throttle linkage bracket to crankshaft damper and oil fiber housing. 3. Remove cotter pin, nut (C), flat washer, and bolt and disconnect rod from lever. Discard cotter pin. 4. Move filter, bracket and plate (D), and throttle linkage to expose camshaft lobes. Discard gasket. Install 1. Position filter, bracket and plate (D), and throttle linkage on engine using new gasket. 2. Install three screws (A) and lock washers securing primary fuel filter bracket and throttle linkage plate to number 1R cylinder assembly. 3. Install two bolts (B) securing throttle linkage bracket to camshaft damper and oil filter housing. 4. Install bolt, flat washer, nut (C), and new cotter pin connecting rod to lever. Figure 4-70. Removing or installing primary fuel filter bracket and throttle linkage. 4-36