CG137-08 and CG137-12 Generator Sets Caterpillar

Cylinder Block

Usage:

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Illustration 1	g02717802

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Table 1
Specification for 351-1920 Cylinder Block Gp
Item	Qty	Part	Specification Description
During assembly, the top of cylinder block must be free of fuel, oil, water, gasket adhesives, assembly compounds, and any other contaminants.
1	1	355-7181 Stud	Torque to 25 ± 3 N·m (221 ± 27 lb in).
2	12	197-9322 Cylinder Block Liner	Lubricate the inside diameter of the cylinder liner thoroughly with clean engine oil.
3	2	225-3100 Spacer Plate	During assembly, the bottom of spacer plates must be free of fuel, oil, water, gasket adhesives, assembly compounds, and any other contaminants.
3	2	225-3100 Spacer Plate	Thickness is 8.585 ± 0.025 mm (0.3380 ± 0.0010 inch).
4	2	225-3101 Plate Gasket	During assembly, both sides of plate gasket must be free of fuel, oil, water, gasket adhesives, assembly compounds and any other contaminants.
4	2	225-3101 Plate Gasket	Thickness is 0.208 ± 0.025 mm (0.0082 ± 0.0010 inch).
5	4	4N-1650 Dowel	After installation extension (B) is 18.5 ± 0.5 mm (0.73 ± 0.02 inch).
6	3	7C-9614 Taperlock Plug	Lubricate the threads of the taperlock plug with White Loctite low break loose PST. Torque to 80 ± 15 N·m (59 ± 11 lb ft).
C	-	-	Dimension from centerline of crankshaft bearing bore to the top of the block is 419.10 mm (16.500 inch).
D	-	-	Dimension from centerline of crankshaft bearing bore to bottom of block (pan rails) is 165.10 mm (6.500 inch).
E	-	-	Width of the main bearing cap is 215.9 mm (8.50 inch). Width of cylinder block for the main bearing cap is 215.900 ± 0.013 mm (8.5000 ± 0.0005inch).
F	-	-	Bore in the cylinder block for the main bearing is 129.891 ± 0.013 mm (5.1138 ± 0.0005inch).
7	14	3P-1323 Bearing Cap Bolt	Use the following procedure in order to tighten the bearing cap bolts: 1. Tighten the tab end bolts to 258 ± 14 N·m (190 ± 10 lb ft). 2. Tighten the opposite end bolts to 258 ± 14 N·m (190 ± 10 lb ft). 3. Again, tighten the opposite end bolts to an angle turn of 120 ± 5 degrees. 4. Again, tighten the tab end bolts to an angle turn of 120 ± 5 degrees.
8	1	3B-0645 Cup Plug	Apply high strength, high temperature Anaerobic Flange Sealant to the threads of the cup plug. Installation depth is 1.25 ± 0.25 mm (0.049 ± 0.010 inch).
9	2	3S-6605 Cup Plug	Installation depth is 1.25 ± 0.25 mm (0.049 ± 0.010 inch).

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Illustration 2	g02717803

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Table 2
Specification for 351-1920 Cylinder Block Gp
Item	Qty	Part	Specification Description
10	3	6L-4428 Taperlock Stud	Torque to 35 ± 5 N·m (26 ± 4 lb ft).
11	4	4N-0683 Dowel	After installation extension (H) is 19.0 ± 0.5 mm (0.75 ± 0.02 inch).
12	12	7E-6479 Special Bolt	Torque to 25 ± 6 N·m (221 ± 53 lb in).

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