ALTERNATOR GP-CHARGING 4214022 - Caterpillar

Illustration 1 g00840601
(1) Cylinder block Diameter of the bore in the cylinder block ... 84.000 to 84.019 mm (3.3071 to 3.3078 inch) Service limit ... 84.200 mm (3.3150 inch)Flatness of the top of cylinder block ... Less than 0.05 mm (0.002 inch)Service limit ... 0.12 mm (0.005 inch) (2) Oil hole in the cylinder blockNote: Ensure that oil hole (4) in front crankshaft bearing (6) is aligned with oil hole (2) in the cylinder block. (3) ChamferNote: The chamfer of the bearing faces the front of the engine. A press should be used to press the bearing into the cylinder block from the front of the cylinder block. (4) Oil hole in the crankshaft bearing (A) The center of the oil hole in the bearing should be the following distance from the front face of the bearing. ... 15.0 0.2 mm (0.59 0.01 inch)Replace the bearing if the distance is not within the given tolerances. (B) The center of the oil hole in the bearing should be the following distance from the rear face of the bearing. ... 12.5 0.2 mm (0.49 0.01 inch)Replace the bearing if the distance is not within the given tolerances.Refer to Specifications, "Crankshaft" for additional information about the main bearings and bearing caps.Place engine oil on the bore of the front oil seal before installation in order to prevent damage to the oil seal. (5) Oil groove (6) Crankshaft bearingNote: The front face of crankshaft bearing (6) should be evenly aligned with the front face of cylinder block (7) . (7) Front face of the cylinder block