3054B Engine for Caterpillar Built Machines Caterpillar

Illustration 1	g00642412
Typical Cylinder Block

(1) Diameter of bore in cylinder block ... 103.000 to 103.025 mm (4.055 to 4.056 inch)

(2) Bolt

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) Camshaft bearings

Diameter of bore in cylinder block for No. 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 No. 2 journal ... 50.55 to 50.60 mm (1.990 to 1.992 inch)

Diameter of bore for No. 3 journal ... 50.04 to 50.09 mm (1.970 to 1.972 inch)

(4) Bolt

Tighten the bolts that fasten the rear oil seal housing to the bridge to the following torque: ... 22 N·m (16 lb ft)

(5) Main bearing bore

Diameter of bores in cylinder block for main bearings ... 80.416 to 80.442 mm (3.1660 to 3.1670 inch)

(6) Bolt

Tighten the bolts for the main bearing caps to the following torque: ... 250 N·m (185 lb ft)

(7) Bolt

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)