TM-9-2815-220-24 Maintenance Manual for AVDS-1790-2CA AVDS-1790-DA and AVDS-1790-2DR Engines Download
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TM 9-2815-220-24 FUEL INJECTION NOZZLE REPLACE/REPAIR 0114 00 DISASSEMBLY NOTE Fuel Injection Nozzle Assemblies NSN 2910-01-037-4984 are now being manufactured with a retaining sleeve and hard (steel) nozzle gasket. The new nozzle assemblies are identified by stamping 'D1' on the body top. The correct installation torque for the nozzle assembly using the retainer sleeve and hard steel gasket is 1275-1325 inch-pounds, using torque wrench (item 125, WP 0176). During repair the retaining sleeve replaces the retaining spring. The hard steel gasket replaces the soft (copper) gasket. The correct installation torque for the nozzle assembly using the spring sleeve and soft copper gasket is 490-510 inch-pounds. CAUTION Do not mix soft gaskets with solid retaining sleeves or hard gaskets with spring retaining sleeves. Apply the correct torque for the application; 1275-1325 inch-pounds for the solid retainer with hard gasket and 490-510 inch-pounds for the spring retainer with soft gasket. Hard Gasket Soft Gasket Solid Retainer Spring Retainer Identification Stamp D1 WP 0114 00-7