815822A 7 Mercruiser GEAR HOUSING ASSEMBLY

Illustration 1 g06341337
Table 1
Specifications for 7E-8758 Cylinder Head Gp, 203-2169 Cylinder Head Gp, 203-2170 Cylinder Head Gp, 242-5326 Cylinder Head As and 350-5202 Cylinder Head Gp
Item Qty Part Specification Description
1 2 130-2607 Valve Seat Insert During installation, shrink the valve seat insert with reduced temperature (Reference temperature: −60° C (−76° F)) and press the insert into the cylinder head counterbore.
2 2 130-2608 Valve Seat Insert During installation, shrink the valve seat insert with reduced temperature (Reference temperature: −60° C (−76° F)) and press the insert into the cylinder head counterbore.
3 5 3B-0645 Cup Plug Before assembly, apply high strength or high temperature Anaerobic Flange sealant to the bores.
4 1 3B-0623 Cup Plug Before assembly, apply high strength or high temperature Anaerobic Flange sealant to the bores.
5 2 3B-0623 Cup Plug Before assembly, apply high strength or high temperature Anaerobic Flange sealant to the bores. Installation depth (E) is 1.0 0.5 mm (0.04 0.02 inch)
6 2 3B-0623 Cup Plug Before assembly, apply high strength or high temperature Anaerobic Flange sealant to the bores. Installation depth (D) is 9.0 0.5 mm (0.35 0.02 inch)
Illustration 2 g06341342
Table 2
Bolt Tightening Procedure with the 110-6991 Cylinder Head Gasket
Item Qty Part Specification Description
Note: Bolt Tightening Procedure with the 110-6991 Cylinder Head Gasket (Cellulose) and 110-6994 Spacer Plate (Aluminum) or 362-9677 Spacer Plate (Aluminum).
7 6
131-0420 Cylinder Head Fastener Gp
Use the following procedure in order to tighten the bolts for the cylinder head: Refer to Illustration 2 for bolt tightening sequence.
1. Before assembly, apply clean engine oil to the bolt threads.
2. Tighten bolt 1 through 8 in the numerical sequence to 30 5 N m (22 4 lb ft).
3. Again, retighten bolts 1 through 8 in the numerical sequence to 200 15 N m (148 11 lb ft).
4. Again, retighten bolts 1 through 8 in numerical sequence to 200 15 N m (148 11 lb ft).
5. Turn bolt 1 through 8 in numerical sequence to an angle of 180 5 degrees.
Note: Tighten bolts 9 only after bolts 1 through 8 have been turned 180 5 degrees.
6. Tighten bolts (9) to 55 10 N m (41 7 lb ft).
8 2
131-0421 Cylinder Head Fastener Gp
9 2
5B-0213 Bolt
Illustration 3 g06341366
Table 3
Bolt Tightening Procedure with the 362-8264 Cylinder Head Gasket
Item Qty Part Specification Description
Note: Bolt Tightening Procedure with the 362-8264 Cylinder Head Gasket (MLS) and 519-7297 Spacer Plate (Iron).
Note: Refer to Disassembly and assembly manual for the alternate tightening procedure of cylinder head using 362-8264 Cylinder Head Gasket (MLS) with 110-6994 Spacer Plate (Aluminum) or 362-9677 Spacer Plate (Aluminum).
7 6
131-0420 Cylinder Head Fastener Gp
Use the following procedure in order to tighten the bolts for the cylinder head: Refer to Illustration 3 for bolt tightening sequence.
1. Before assembly, apply clean engine oil to the bolt threads.
2. Tighten bolt 1 through 8 in the numerical sequence to 30 5 N m (22 4 lb ft).
3. Again, retighten bolts 1 through 8 in the numerical sequence to 145 15 N m (107 11 lb ft).
4. Again, retighten bolts 1 through 8 in the numerical sequence to 145 15 N m (107 11 lb ft).
5. Turn bolts 1 through 8 in the numerical sequence to an angle of 180 5 degrees.
Note: Tighten bolts 9 only after bolts 1 through 8 have been given the final torque.
7. Tighten bolts 9 to 55 10 N m (40 7 lb ft).
8 2
131-0421 Cylinder Head Fastener Gp
9 2
5B-0213 Bolt