SHIM 1661487 - Caterpillar

Illustration 1 g01628113
Right side view
Note: The bottom of the spacer plate (2), the top of the cylinder block, and both surfaces of the gasket (1) must be free of fuel, oil, water, adhesives, assembly compounds or any other contaminants during assembly.Note: Apply 4C-4032 Bearing Mount Compound to the dowel before installation. (A) Extension of dowel above the top surface of the cylinder block ... 18.5 0.5 mm (0.73 0.02 inch) (1) Thickness of the gasket ... 0.20 0.02 mm (0.008 0.001 inch) (2) Thickness of the spacer plate ... 8.585 0.025 mm (0.3380 0.0010 inch)Projection of cylinder liner above the spacer plate ... 0.025 to 0.152 mm (0.0010 to 0.0060 inch) (3) Torque for the cylinder block plug group ... 145 13 N m (105 10 lb ft) (B) Extension of dowel above the top surface of the cylinder block ... 16.0 0.5 mm (0.63 0.02 inch)Note: Apply 4C-4032 Bearing Mount Compound to the dowel before installation. (C) Extension of dowel above the top surface of the cylinder block ... 20.0 0.5 mm (0.79 0.02 inch) (E) Extension of the dowel beyond the end of the cylinder block ... 19.1 0.5 mm (0.75 0.02 inch)
Illustration 2 g01628133
View D-D
Illustration 3 g01628135
Section F-F
(4) Lubricate the O-ring seals and the bore with clean engine oil. (G) Installation depth of the plug ... 2.0 2.0 mm (0.08 0.08 inch)
Illustration 4 g01628178
Front view of engine
Note: The total flatness of the top contact surface of the cylinder block must be within 0.10 mm (0.004 inch). The flatness must also be within 0.05 mm (0.002 inch) for any 150.0 mm (5.91 inch) section of the surface. (H) Dimension from the centerline of the crankshaft bearing bore to the top of the cylinder block New ... 425.45 mm (16.750 inch)Minimum ... 425.02 mm (16.733 inch) (J) Bore in the cylinder block for the main bearings ... 129.891 0.013 mm (5.1138 0.0005 inch) (K) New dimension from the centerline of the crankshaft bearing bore to the bottom of the cylinder block pan rails ... 165.10 mm (6.500 inch) (L) Width of the main bearing cap ... 215.900 mm (8.5000 inch)Width of the cylinder block for the main bearing cap ... 215.900 0.020 mm (8.5000 0.0008 inch)
Illustration 5 g01628190
Torque-turn tightening method for main bearing cap bolts
Use the following procedure in order to tighten the main bearing cap bolts (5):
Apply clean engine oil to the threads of the bolts.
Tighten