807073 Mercruiser BUSHING

Table 1
Required Tools
Tool Part Number Part Description Qty
A(1) 8S-2241 Camshaft Bearing Tool Group 1
8S-8290 Nut 1
8S-8291 Threaded Shaft 1
8S-8287 Thrust Bearing Assembly 1
8S-8288 Cone 1
8S-8292 Extension (Short) 2
8S-8293 Extension (Long) 1
B 9U-7222 Camshaft Bearing Pilot 1
8M-8778 Taperlock Stud (1/2 inch - 13 UNC by 1 9/16 inch) 1
C 9U-7223 Alignment Bushing 1
D 9U-7210 Puller Plate 1
E 9U-7213 Backup Plate 1
0S-1621 Bolt (1/2 inch - 13 UNC by 1 inch) 1
F 9U-7214 Spacer Plate 1
(1) Part of the 8S-2241 Camshaft Bearing Tool Group
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Note: Ensure that the inside of the cylinder head is clean. Inspect the camshaft bore for metal burrs. Put a thin film of clean engine oil on the inside of the camshaft bearing bores and on each camshaft bearing prior to installation.
Illustration 1 g01034920
Install the No. 7 camshaft bearing (rear), as follows:
Insert the large end of Tooling (B) into the No. 7 camshaft bore. Position camshaft bearing (3) on Tooling (B).
Position Tooling (D) on Tooling (A). Install Tooling (A) in Tooling (B).
Position camshaft bearing (3) on Tooling (B). Install Tooling (E) on Tooling (B). Note: Refer to Specifications, "Cylinder Head" for appropriate information for the orientation of the camshaft bearings in the cylinder head.
Use Tooling (A) in order to pull camshaft bearing (3) into the camshaft bore. Note: When the chamfer of Tooling (E) contacts the face of the camshaft bore, the camshaft bearing is properly installed.
Remove Tooling (E) from Tooling (B). Remove Tooling (A) from Tooling (B). Remove Tooling (B) from the cylinder head.
Illustration 2 g01034921
Install the No. 6 through No. 2 camshaft bearings, as follows:
Insert the large end of Tooling (B) into the camshaft bore. Note: Use Tooling (C) to align Tooling (A) and Tooling (B) with the camshaft bearing bores. Install Tooling (C) in the inside diameter of any installed camshaft bearing between Tooling (A) and Tooling (B).
Install Tooling (A) in Tooling (B). Position camshaft bearing (3) on Tooling (B). Install Tooling (E) on Tooling (B). Note: Refer to Specifications, "Cylinder Head" for appropriate information for the location and the orientation of the camshaft bearings in the cylinder head.
Use Tooling (A) in order to pull camshaft bearing (3) into the camshaft bore. Note: When the chamfer of Tooling (E) contacts the face of the camshaft bore, the camshaft bearing is properly installed.
Remove Tooling (E) from Tooling (B). Remove Tooling (A) from Tooling (B).
Remove Tooling (B) and Tooling (C) from the cylinder head.
Repeat Step 2 in order to install the No. 6 through No. 2 camshaft bearings.
Illustration 3 g01034922
Install the No. 1 camshaft bearing (front), as follows:
Insert the large end of Tooling (B) into the No. 1 camshaft bore. Assemble Tooling (A) and Tooling (C) on Tooling (B).
Position camshaft bearing (3) on Tooling (B). Install Tooling (E) and Tooling (F) on Tooling (B). Note: Refer to Specifications, "Cylinder Head" for appropriate information for the location and the orientation of the camshaft bearings in the cylinder head.Note: Tooling (F) is used to seat the No. 1 camshaft bearing to the correct depth in the camshaft bore.
Use Tooling (A) in order to pull the No. 1 camshaft bearing into the No. 1 camshaft bore. When the chamfer of Tooling (E) contacts the face of the camshaft bore, the camshaft bearing is properly installed.
Remove Tooling (E) and Tooling (F) from Tooling (B). Remove Tooling (A) from Tooling (B).
Remove Tooling (B) and Tooling (C) from the cylinder head.
Illustration 4 g01005315
Inspect the O-ring seal. Replace the O-ring seal if the seal is worn or damaged. Position rear cover (2). Install bolts (1). Tighten the bolts to a torque of 13 3 N m (10 2 lb ft). End By:
Install the camshaft. Refer to Disassembly and Assembly, "Camshaft - Install".