TM-9-2815-220-34 Direct Support Manual for AVDS-1790-2C and AVDS-1790-2D Engines Download
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TM 9-2815-220-34 Figure 3-133. Installing or removing cranks/1aft and co1111ec1ing rod sling al cra11ksl1aft torsionol 11ibra1io11 damper flange. NOTE Exercise care when removing or inst,alling crankshaft, assembly to prevent damage to the main bearing cap studs and crankshaft journals. i. Remove crankshaft with connecting rod assem- blies installed as shown in fig. 3-134 using a suitable hoist. Place crankshaft assembly on suitable "V" blks with crankshaft resting on bearing journals. Remove sling from crankshaft. . . � . . . / --. �- l_t Figure 3·134. Removin8 or lmtnlli11g crarokshaft and con11ec1i11g r amblie ui11g cmalul1af1 arod conneeling r sling. j. Remove six upper main sleeve bearing halves (fig. 3-135) from bearing bores in crankcase assembly. Mark respective lations of bearings on the back of bearing half using a grease pencil; e.g.," 1-case", " case", etc. Remove upper main thrust sleeve bearing half and mark as "4-case" for identification. . - • - figure 3·135. emoving or insralli11g upper main sleeve bearing /10/vn 3-56 ) ) )