73185 2 Mercruiser TUBE, VENT

Illustration 1 g03353083
Front view of engine
Table 1
Specification for 362-1166 Cylinder Block Gp
Item Qty Part Specification Description
1 4 4W-4813 Plug Torque to 100 15 N m (74 11 lb ft).
2 4 5F-9657 O-Ring Seal Before assembly, lightly lubricate the bore with the fluid that is being sealed.
3 18 116-1359 Camshaft Bearing All center lines 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 center line of the bore at an angle (D) of 20 5 degrees as shown in Illustration 1.
Bore of the camshaft bearing after installation 86.22 0.06 mm (3.394 0.002 inch).
4 8 6V-3348 O-Ring Seal Before assembly, lightly lubricate the bore with the fluid that is being sealed.
5 2 5P-8210 O-Ring Seal Before assembly, lightly lubricate the bore with the fluid that is being sealed.
A 32 8T-0099 Dowel Extension of the dowel from the top face of the cylinder block is 21.0 0.5 mm (0.83 0.02 inch).
C 16 197-7008 Dowel Extension of the dowel from the top face of the cylinder block is 21.0 0.5 mm (0.83 0.02 inch).
E 9 223-1696 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).
F - - New dimension from centerline of crankshaft bearing bore to the top of the cylinder block is 586 mm (23.1 inch).
G - - New dimension from centerline of crankshaft bearing bore to bottom of cylinder block (pan rails) is 230 mm (9.1 inch).
H - - Bore in the cylinder block for the main bearing is 169.742 0.020 mm (6.6827 0.0008 inch).
Illustration 2 g03353085
Section B-B
Table 2
Item Qty Part Specification Description
J 2 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).
K 1 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).
L 2 4N-0683 Dowel Extension of the dowel from the rear face of the cylinder block is 19.0 0.5 mm (0.75 0.012 inch).
M 2 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 3 g03353090
Front view of engine
Table 3
Item Qty Part Specification Description
6 16 352-6061 Liner Seal Assemble dry liner seal on clean and dry cylinder liner grooves. Just prior to inserting cylinder liners in the cylinder block cover the liner seals with P-80 rubber lubricant. Immediately install cylinder liner before liner seal can expand.
7 48 7N-2046 O-Ring Seal Just prior to inserting cylinder liners in the cylinder block apply, P-80 rubber lubricant or liquid soap on the grooves for the O-ring seals and on the O-ring seals. Also, lubricate the bottom of the cylinder block bore. Immediately install the cylinder liner before the O-ring seals can expand.
8 36 7X-7925 Bolt Use the following procedure in order 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 additional angle of 180 5 degrees.