KIT (Cartridge) 4J8494 - Caterpillar

Cylinder Block
Illustration 1 g00642412
Typical Engine Block (1) Diameter of bore in cylinder block ... 103.000 to 103.025 mm (4.055 to 4.056 inch) (2) Tighten the bolts that fasten the rear oil seal housing to the cylinder block to the following torque: ... 22 N m (16 lb ft) (3) Diameter of bore in cylinder block for number 1 journal of the camshaft front bearing ... 55.56 to 55.59 mm (2.188 to 2.189 inch)Diameter of bearing bore for camshaft ... 50.79 to 50.85 mm (2.000 to 2.002 inch)Diameter of bore for number 2 journal ... 50.55 to 50.60 mm (1.990 to 1.992 inch)Diameter of bore for number 3 journal ... 50.04 to 50.09 mm (1.970 to 1.972 inch) (4) Tighten the bolts that fasten the rear oil seal housing to the bridge to the following torque: ... 22 N m (16 lb ft) (5) Diameter of bores in cylinder block for main bearings ... 80.416 to 80.442 mm (3.1660 to 3.1670 inch) (6) Tighten the bolts for the main bearing caps to the following torque: ... 250 N m (185 lb ft) (7) Tighten the bolts to the bridge under the cylinder block to the following torque: ... 16 N m (12 lb ft)Total height of cylinder block between top and bottom faces (not shown) ... 441.12 to 441.33 mm (17.367 to 17.375 inch)Piston Cooling Jet
Illustration 2 g00308883
(1) Cylinder wall (2) Tighten the piston cooling jet for number one cylinder to the following torque: ... 27 N m (20 lb ft)Note: Ensure that the piston cooling jet is positioned correctly on the dowel in the cylinder block (not shown). (3) Use a rod with a diameter of 1.70 mm (0.067 inch) in order to check the alignment of the piston cooling jet. The rod must extend beyond the top of the cylinder. (4) Diameter of circle ... 14.00 mm (0.550 inch)Dimensions for the center of the circle (5) ... 33 mm (1.3 inch) (6) ... 21 mm (0.8 inch)