|
|
2-170 5. Inspect the bearing dowel pins for wear. 6. Inspect the sealing surfaces of the crankcase halves for trueness by placing each crankcase half on the surface plate covered with #400 grit wet-or- dry sandpaper. Using light pressure, move each half in a figure eight motion. Inspect the sealing surfaces for any indication of high spots. A high spot can be noted by a bright metallic finish. Cor- rect any high spots by continuing to move the half in a figure eight motion until a uniform bright metallic finish is attained. NOTE: Care must be taken not to remove an CM160 CRANKSHAFT NOTE: If any servicing of the connecting rods, 1. Wash the crankshaft with bearings in parts-clean- ing solvent. 2. Inspect the bearings for wear, scoring, scuffing, damage, or discoloration. Rotate the bearings. Bearings must rotate freely and must not bind or feel rough. If any abnormal condition is noted, replace the bearing. FC039 3. Inspect the connecting-rod bearings by rotating them. The bearings must rotate freely and must not bind or feel rough. If a connecting-rod bearing must be replaced, the connecting rod and crank pin must also be replaced. FC040 4. Inspect the oil-injection pump drive gear for any signs of worn or chipped teeth. If either condition exists, replace the gear. NOTE: Lubricate bearings thoroughly prior to REMOVING/INSTALLING OUTER NOTE: The end bearings are not pressed onto CM161 ! CAUTION Water or parts-cleaning solvent must be used in |