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TM-9-2815-220-34 Direct Support Manual for AVDS-1790-2C and AVDS-1790-2D Engines Download

Page 235 of 532

TM 9-2815·220·34 Fig11rP 3·75. Remnvi11g rig/11 ct+1uaf1. 3-25. Front Fan Drive Housing with Clutch Assembly and Mounting Base and Fuel Injection Pump Mounting Base a. Lꝏsen two hose clamps (fig. 3-76) on horizontal fan drive shaft front and rear covers. Remove two self-locking nuts and flat washers attaching rear horizontal fan drive shaft cover adapter to rear fan drive housing. Remove two self-Jking nuts and flat washers attaching front cover adapter to front fan drive housing. Separate cover adapter (fig. 3-77) from front and rear fan drive housing and push the front and rear fan drive shaft covers together to expose the preformed packings. Remove retaining ring from front fan drive shaft spline groove using retaining ring pliers (fig. 3-78) and push horizontal fan drive shaft into front fan drive housing (fig. 3-79) until op- posite end of shaft is exposed (fig. 3-80). Figure 3·76. Dio1111ec1i11g or co1111ecting laori:onral /011 driue sl1oſt fro111 +ml rear cover adapters. Fixure 3·77. Disco1111er1i11g or 01111ecti11g front and rear /+11 drive covers. Figure 3·78. Removing or i1walli11g liori:o11tal fan drive sli retai11i11g ri11g using ri11g pliers. 3.35