TM 10-4320-307-243-39GEAR COVER ASSEMBLY INSPECT/REPAIR (CONT).2.Remove crankshaft oil seal as follows:a.Use three crankshaft damper mounting capscrews(1) to secure top plate (2) of oil seal puller/installer tofront of crankshaft.b.Install drill pilot (3) in one of the 1/4-inch holes in topplate (2).c.Insert No. 31 (0.120-inch) drill bit in drill pilot (3) anddrill a hole through seal casing.d.Remove drill pilot (3) and repeat the same procedurein two remaining holes in top plate (2).e.Install three seal puller screws (4) in top plate (2).f.Remove three crankshaft damper mountingcapscrews (1) from top plate (2).g.Install center puller screw (5) in top plate (2) andcontinue turning puller screw clockwise until oil sealis removed from the gear cover.3-152
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