TM 5-1940-277-34 MAIN BEARING INSPECTION AND REPLACEMENT INSTRUCTIONS (Continued) LOCATION ITEM ACTION REMARKS INSTALLATION: CAUTION All upper main bearing halves have oil holes and grooves.  Do not fit   any lower half main bearing liners to upper locations. 6.    Cylinder block a. New main a. Clean off any Note that all (1) and main bearings preservative. upper bearing bearing caps halves incor- (6,7,8,9) porate oil feed b. Match and holes (lower fit upper bearing halves bearing do not have halves (14, holes) and oil 15) to block. grooves. Note that center and rear lower c. Fit lower bearing halves bearing halves have oil grooves. (12,13) to bearing caps (6,7,8,9). b. Main bearing Repeat inspec- Repeat steps 3 caps (6,7,8, tion procedures thru 5. 9) to make sure clearances are within limits. c. Crankshaft Install into (11) cylinder block. d. Main bearing a. Install onto caps (6,7,8,9) cylinder block. and 14 bolts (10) b. Torque bolts Use 5/8 in socket to 115 - 120 and torque ft-lb (15.89 wrench (0 - 175 to 16.58 ft-lb). kfgm). 3-55