3500E Marine Engines Caterpillar


Cylinder Block

Usage:

3516E MD5


Illustration 1g06195339
Rear view of engine

Table 1
Specification for 513-7643 Cylinder Block Gp 
Item  Qty  Part  Specification Description 
During assembly, bottom of the plate, top of the block, and both the sides of the gasket plate must be free of all visible fuel, oil, water and gasket adhesives, assembly compounds, or any other contaminates. 
32  8T-0099 Dowel  Extension (A) of the dowel from the top face of the cylinder block is 21.0 ± 0.5 mm (0.83 ± 0.02 inch)
16  197-7008 Dowel  Extension (C) of the dowel from the top face of the cylinder block is 21.0 ± 0.5 mm (0.83 ± 0.02 inch)
18  101-1198 Camshaft Bearing  All centerlines through oil holes in the camshaft bearings and the camshaft bearing junctions must be positioned as shown in Illustration 1 on each side of cylinder block. 
Oil holes must be positioned from horizontal at an angle (D) of 20 ± 5 degrees as shown in Illustration 1.
Bore in the cylinder block for camshaft bearing is 98.00 ± 0.02 mm (3.858 ± 0.001 inch).
223-1696 Crankshaft Bearing Cap  Width of the crankshaft bearing cap is 340.030 ± 0.015 mm (13.3870 ± 0.0006 inch).
Width of cylinder block for main bearing cap is 339.985 ± 0.015 mm (13.3852 ± 0.0006 inch)
New dimension from centerline of crankshaft bearing bore to the top of the cylinder block is 586 mm (23.1 inch)
New dimension from centerline of crankshaft bearing bore to bottom of cylinder block (pan rails) is 230 mm (9.1 inch)
Bore in the cylinder block for the main bearings is 169.742 ± 0.020 mm (6.6827 ± 0.0008 inch)


Illustration 2g03497817
Section B-B

Table 2
Item  Qty  Part  Specification Description 
7N-2047 Dowel  Extension of the dowel from the rear face of the cylinder block is 6.0 ± 0.5 mm (0.24 ± 0.02 inch)
7N-2047 Dowel  Extension of the dowel from the front face of the cylinder block is 6.0 ± 0.5 mm (0.24 ± 0.02 inch)
4N-0683 Dowel  Extension of the dowel from the rear face of the cylinder block is 19.0 ± 0.5 mm (0.75 ± 0.02 inch)
7N-2044 Dowel  Extension of the dowel from the front face of the cylinder block is 40.0 ± 0.5 mm (1.57 ± 0.02 inch)


Illustration 3g06060441
Front view

Table 3
Item  Qty  Part  Specification Description 
4W-4813 Plug  Torque to 100 ± 15 N·m (74 ± 11 lb ft)
8T-2929 O-Ring Seal  During assembly, apply Krytox GPL-205 to secure O-rings. 
8T-2928 O-Ring Seal  Lightly lubricate the bore with 5P-3975 Rubber Lubricant. 
36  7X-7925 Bolt  Use the following procedure to tighten the crankshaft bearing cap bolts:
1. Before assembly, lubricate the threads completely with clean engine oil.
2. Hand tighten the bolts in the tapped holes.
3. Tighten the bolts in the numerical sequence as shown in Illustration 3 to 190 ± 14 N·m (140 ± 10 lb ft).
4. Again, tighten the bolts for an extra angle of 180 ± 5 degrees. 
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