TM 5-3805-261-34ENGINE MAINTENANCE.13-5.CrankshaftMainBearings.(Sheet 7 of 12)INSPECTION (Front, Center and Rear MainBearings)14.Remove six bolts (1) and threeitems 3 and 4 as an assembly(Figure 13-22).15.Remove plastigage.16.Using micrometer, measure andrecord thickness of plastic gage.17.Compare recorded measurementsfrom step 16 with range of 0.0037to 0.0068 inch. Replace crank-shaft if measurement fallsoutside this range.INSTALLATION (Front, Center and RearMain Bearings and Thrust Bearings)1.Install two new thrust bearings(5, Figure 13-17) on crankshaftjournal of rear main bearing,fifth bearing from front.2.Position three items 4 and 3 asan assembly (Figure 13-14) undercrankshaft journal of rear mainbearing, alining holes.3.Coat six washers (2) and bolts(1) with clean engine oil andinstall finger tight.Figure 13-Go to Sheet 813-27Figure 13-
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