Crankshaft, Main Bearings and Flywheel 1 9. Tighten main bearing cap screws to specifications. When tightening, start at center main bearing cap and work your way out, alternating to the ends. Turn crankshaft by hand. If it does not turn easily, disassemble the parts and find the cause. 11.Dip entire connecting rod cap screws in clean engine oil. Install new cap screws and tighten to 23 N•m (203 lb-in.) . 12.Install timing gear housing. (See Camshaft and Timing Gear Train in this section.) IMPORTANT: Connecting rod caps must be installed on the same connecting rods they were removed from. 13.Install crankcase extension housing, if equipped.
(See procedure in this group.) 14.Install flywheel housing, if equipped. (See procedure in this group.) Never reuse connecting rod cap screws, replace with new. 15.Install rear oil seal. (See procedure in this group.) 10.Match the connecting rod caps to the rods using alignment marks. Install caps. 1-48 4/7/95 AllTractorManuals.com Block Thrust Bearing Cap Thrust Bearing Tangs Main Bearing Cap Crankshaft Flywheel End Grooved Bearing Insert Smooth Bearing In 1 2 Main Bearing Cap Screw (8) 3 Dip in clean engine oil. 3TN66: 54 N•m (40 lb-ft) 3TNA72 (3009):79 N•m (58 lb-ft) sert M82283A Smooth Bearing In sert