BOLT 8T4184 - Caterpillar

Illustration 1 g03343105
Front view
Table 1
Specification for 240-6650 Cylinder Block Gp and 383-2090 Cylinder Block Gp
Item Qty Part Specification Description
The top face of the cylinder block, bottom surface of spacer plate (4) and both sides of plate gasket (2) must be free of fuel, oil, water, gasket adhesives, assembly compounds and any other contaminants during assembly.
1 12 197-7008 Dowel Extension of the dowel is 21.0 0.5 mm (0.83 0.02 inch).
2 12 144-5692 Plate Gasket Thickness of plate gasket that is between cylinder block and spacer plate is 0.194 to 0.218 mm (0.0076 to 0.0086 inch).
3 24 8T-0099 Dowel Extension of the dowel is 21.0 0.5 mm (0.83 0.02 inch).
4 12 110-6994 Spacer Plate Thickness is 12.313 mm (0.4848 inch).
5 3 4W-4813 Plug Torque to 100 15 N m (74 11 lb ft).
A 14 116-1359 Camshaft Bearing Bore of the bearing after installation is 86.00 0.06 mm (3.386 0.002 inch).
B - - All centerlines through oil holes in the camshaft bearings and the camshaft bearing junctions (6) must be positioned as shown in Illustration 1 on each side of the cylinder block.
Oil holes must be positioned from horizontal at an angle of 20 5 degrees.
C - - New dimension from centerline of crankshaft bearing bore to the top of the block is 586 mm (23.1 inch).
7 8 6V-3348 O-Ring Seal Lubricate the bore lightly with sealant that is being sealed.
8 7 223-1696 Crankshaft Bearing Cap Install crankshaft bearing caps with the part number and FRONT toward the front of the block. Each cap has a number. Each cap must be installed in the same position as the correct number on the side of the cylinder block pan rail.
Width (D) of crankshaft bearing cap is 340.030 0.015 mm (13.3858 0.0006 inch).
Width in the cylinder block for crankshaft bearing cap is 339.985 0.015 mm (13.3852 0.0006 inch).
E - - Bore in the block for the crankshaft bearings is 169.742 0.020 mm (6.6827 0.0008 inch).
F - - New dimension from centerline of crankshaft bearing bore to bottom of block (pan rails) is 230.00 mm (9.055 inch).
Illustration 2 g03343107
350-1413 Cylinder Block
Table 2
Item Qty Part Specification Description
9 12 352-6061 Liner Seal Assemble dry seals on clean and dry liner grooves.
Before assembly, cover seals with either P-80 Rubber Lubricant Emulsion or liquid soap.
10 36 7N-2046 O-Ring Seal Before assembly, cover seals with either P-80 Rubber Lubricant Emulsion or liquid soap.
11 28 7X-7925 Bolt Use the following procedure in order to tighten the crankshaft bearing cap bolts.
1. Before assembly, Lubricate the threads with clean engine oil .
2. Tighten the bolts by hand.
Tighten the bolts in the numerical sequence as shown in Illustration 2 to 190 14 N m (140 10 lb ft).
Again tighten the bolts to an additional angle of 180 5 degrees
Illustration 3 g03343110
Right side view
Table 3
Item Qty Part Specification Description
G 3 7N-2047 Dowel Extension of the