TM 5-3805-261-34ENGINE MAINTENANCE.13-5. CrankshaftMainBearings.(Sheet 11 of 12)INSPECTION (Intermediate Main Bearings)11. Tighten two of four bolts (7)opposite tab side of two bearingcaps (9) a further 90 degrees,using chalk mark as an aid inestimating how far to tightenbolts (7).12. Remove four bolts (7) and twoitems 10 and 9 as an assembly(Figure 13-30).13. Remove plastigage.14. Using micrometer, measure andrecord thickness.15. Compare recorded measurementsfrom step 14 with range of 0.0037to 0.0068 inch. Replace crank-shaft if measurement fallsoutside this range.Figure 13-31.Go to Sheet 1213-31
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