21077 Mercruiser SCREW, WATER DISTRIBUTION BLOCK TO CYLINDER HEAD (7/8")

Illustration 1 g03346697
Right side view of engine
Table 1
Specification for 384-9627 Cylinder Block Gp    
Item     Qty     Parts     Specification Description    
The bottom of spacer plate (2), the top of cylinder block, and both surfaces of gasket (1) must be free of fuel, oil, water, adhesives, assembly compounds or any other contaminants during assembly.    
2     1     6I-4421 Spacer Plate     Maximum thickness of the spacer plate is
8.585 0.025 mm (0.3380 0.0010 inch).    
3     2     230-3728 O-Ring Seal     Before installation, lubricate the bore lightly with the lubricant that is being sealed.    
A     1     4N-1650 Dowel     Before installation, apply green Loctite 609 to the surfaces.
Extension of dowel is
18.5 0.5 mm (0.73 0.02 inch).    
B     1     1S-9540 Dowel     Extension of dowel is
16.0 0.5 mm (0.63 0.02 inch).    
C     1     6I-1055 Dowel     Before installation, apply green Loctite 609 to the surfaces.
Extension of dowel above the top surface of the cylinder block is
20.0 0.5 mm (0.79 0.02 inch).    
E     4     4N-0683 Dowel     Extension of the dowel is
19.1 0.5 mm (0.75 0.02 inch).    
G     1     100-7399 Plug     Installation depth of the plug
2.1 2.0 mm (0.08 0.08 inch).    
Illustration 2 g03346700
Front view of engine
Table 2
Item     Qty     Parts     Specification Description    
4     6     322-1126 Cylinder Block Liner     Thoroughly lubricate the full inner diameter of the liner with clean engine oil.    
5     6     155-0809 Liner Seal     Lubricate the liner seals with 5P-3975 Rubber Lubricant prior to installation of cylinder liner.    
6     12     155-2793 Liner Seal     Lubricate the liner seals with 5P-3975 Rubber Lubricant prior to installation of cylinder liner.    
7     14     3P-1323 Bearing Cap Bolts     Use the following procedure in order to tighten the crankshaft bearing cap bolts:
1. Apply clean engine oil to the threads of the bolts.
2. Tighten the bolts that are in the tab end to
258 14 N m (190 10 lb ft).
3. Tighten the bolts that are opposite to the tab end to
258 14 N m (190 10 lb ft).
4. Again, tighten the bolts that are opposite to the tab end to an additional angle of 120 5 degrees.
4. Again, tighten the bolts that are in the tab end to an additional angle of 120 5 degrees.
Repeat the procedure for each bolt.    
H     -     -     Dimension from the centerline of the crankshaft bearing bore to the top of a new cylinder block is
425.45 mm (16.750 inch).    
J     -     -     Bore in the cylinder block for the main bearings is
129.891 0.013 mm (5.1138 0.0005 inch).    
K     7     167-8081 Crankshaft Bearing Cap     Width of the crankshaft bearing cap is
215.9 mm (8.50 inch).
Width of the cylinder block for the crankshaft bearing cap is
215.900 0.020 mm (8.5000 0.0008 inch).    
L     -     -     Dimension from the centerline of the crankshaft bearing bore to the bottom of cylinder block pan rails is
165.1 mm (6.50 inch).