TM 10-4320-310-146-3.REPAIR/REPLACE CONNECTING ROD (Continued)2Inspect rod bushing (1) for scoring, overheating, or other damage. Replace if damaged.3Measure inside diameter of rod bushing (1). Measurement should be 1.104 to 1.103 inches (28.048 to 28.035 mm).If measurement is outside specified limits, replace rod bushing.Be certain that the numbers on both halves of the connecting rod match.NOTEClean rust preventive from replacement connecting rod. Also make surebearing bore is thoroughly cleaned to prevent trapped contaminants fromadversely affecting bearings.4If required, clamp connecting rod in a padded vise and install new rod bushing (1) into connecting rod bushing bore.INSTALLATION:Be certain that bearing halves are installed correctly. The bottom bearing half(3) has a hole which fits into lower connecting rod half (4).1Carefully insert bearing halves (3) into connecting rod.Be certain that the numbers on both halves of the connecting rod match.When installing connecting rod, make sure it does not knock againstcrankcase. This could result in serious damage to connecting rod.2Install top half of connecting rod (2) on crankshaft.3Install bottom half of connecting rod (4) (with dipper opening to dipstick side) and hexagon socket head cap screws (5). Tighten screws to 29.50 foot-pounds (40 N-m).4Lubricate preformed packing (6) with lubricating oil and install into cover (7).5Install cover (1) with four caps (8) and hexagon socket head cap screws (9).6-9
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