TM-9-2815-200-35 Maintenance Manual for AVDS-1790-2M AVDS-1790-2A and AVDS-1790-2AM Engines Download
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Note. The hydraulic head outlet ports are Note. Tighten fuel injector tube fittings until numbered on late fuel injection pumps. a sharp increase in torque becomes apparent. 1. Connect the left bank fuel injector tubes to the rear This will indicate that the fitting sleeve is seated. injection pump hydraulic head (A) in the following When this point is reached, draw the nut up order: No. 5, 3, 1, 6, 2, and 4. approximately 1 / 6 of a turn (minimum) but 2. Connect the right bank fuel injector tubes to the front injection pump hydraulic head (B) in the following not more than 1 / 3 of a turn (maximum), to order: No. 2, 4, 1, 6, 5, and 3. complete tightening operation. Caution: Overtightening will damage tube ferrule causing fuel leaks. Figure 4-86. Connecting fuel injector tubes-schematic diagram. 4-43