TM-9-2815-220-34 Direct Support Manual for AVDS-1790-2C and AVDS-1790-2D Engines Download
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Figure 2-107. fn41a//ing ywl1eel and trntUmi"ion drii:e 1pur gear on crankshaft. TM 9-2815-220-34 (6) Secure transmission drive spur gear and flywheel to crankshaft with three new lockplates (fig. 2-97) and nine bolts and torque tighten to 10 pound-inches. Secure nine bolts by bending tabs of lkplates. 2-33. Oil Pressure Regulator Valve WARNING The valve cover is spring loaded. Exercise care when removing cover. a. Removal. (1) Remove two self-locking nuts (fig. 2-108) and flat washers attaching cover to crankshaft damper and oil filter housing. Remove cover, shim washers and gasket. Remove and discard gasket. (2) Remove stop, spring, valve, and valve sleeve. NOTE The valve sleeve may be difficult to remove because of the presence of varnish from the oil. An improvised tꝏl (fig. 2-3) used with mechanical puller, Part No. 8708712 may be used to assist in removing valve sleeve. Insert hook end of tꝏl into hole in sleeve and gently tap until sleeve is free. figure 2-108. Remouing or intalling oil preure rgu/ator 1-a/a•e. 2·71