ROCKER ARM AS 3704657 - Caterpillar

Illustration 1 g01620388
(1) Cylinder block (2) Cylinder bore ... 105.000 to 105.025 mm (4.1338 to 4.1348 inch)The first oversize bore diameter ... 105.5 to 105.525 mm (4.1535 to 4.1545 inch)The second oversize bore diameter ... 106.000 to 106.025 mm (4.1732 to 4.1742 inch)The maximum permissible wear for the cylinder bore ... 0.15 mm (0.0059 inch) (3) Camshaft bearings Diameter of the bushing in the cylinder block for the number 1 camshaft bearing ... 55.563 to 55.593 mm (2.1875 to 2.1887 inch) Diameter of the bore in the cylinder block for the number 2 camshaft journal ... 50.546 to 50.597 mm (1.9900 to 1.9920 inch) Diameter of the bore in the cylinder block for the number 3 camshaft journal ... 50.292 to 50.343 mm (1.9800 to 1.9820 inch) Diameter of the bore in the cylinder block for the number 4 camshaft journal ... 50.038 to 50.089 mm (1.9700 to 1.9720 inch) (4) Main bearings Bore in the cylinder block for the main bearings ... 88.246 to 88.272 mm (3.4742 to 3.4753 inch)
Illustration 2 g01690573
(5) Torque for the main bearing cap bolts ... 80 N m (59 lb ft)After torquing the bolts for the main bearing caps, the bolts must be rotated for an additional 90 degrees.