TM 5-3805-261-34ENGINE MAINTENANCE. (cont)13-5. CrankshaftMainBearings.(Sheet 6 of 12)INSPECTION (Front, Center and Rear MainBearings) (cont)8. Position one piece of plastigageinside surface of lower mainbearing (4) in each crankshaftbearing cap (3, Figure 13-22).CAUTIONArrow in bottom of crankshaftbearing cap must face frontof engine; number on cap mustmatch bearing number onoutside of cylinder block.Failure to follow thisprocedure could result indamage to equipment.9. Position three items 4 and 3 asan assembly and plastigage undercrankshaft journal, aliningholes.10. Coat six bolts (1) with cleanengine oil and install fingertight.11. Tighten six bolts (1) at bearingtab side of bearing cap (3,Figure 13-23) to 30 ft-lb torque.12. Mark six bolts (1) and threebearing caps (3) with chalk.13. Tighten three of six bolts (1)opposite tab side of threebearing caps (3) a further 90degrees, using chalk mark as anaid in estimating how far totighten three of six bolts (1).Go to Sheet713-26Figure 13-22.Figure 13-23.
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