CAP 9N4681 - Caterpillar

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Remove the camshaft.
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 1 g01159745
Remove the No. 7 camshaft bearing (rear). Work from the rear of the engine to the front of the engine.
Install the small end of Tooling (B) in camshaft bearing (1).
Position Tooling (C) over Tooling (A). Install Tooling (A) through the cylinder head on Tooling (B). Note: Tooling (C) is installed on the outside of the cylinder head. Tooling (C) is required in order to remove all the camshaft bearings from the cylinder head.
Use Tooling (A) to remove camshaft bearing (1) from the cylinder head.
Remove Tooling (B) from Tooling (A) and remove the camshaft bearing. Installation Procedure
Table 2
Required Tools
Tool Part Number Part Description Qty
A 8S-2241 Camshaft Bearing Tool Group 1
B 9U-7222 Camshaft Bearing Pilot 1
8M-8778 Taperlock Stud
1/2 - 13 by 1 9/16 inch 1
C 9U-7210 Puller Plate 1
D 9U-7223 Alignment Bushing 1
E 9U-7213 Backup Plate 1
0S-1621 Bolt
1/2 - 13 by 1 inch 1
F 9U-7214 Spacer Plate 1
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 2 g01159754
Install the No. 7 camshaft bearing (rear), as follows:
Insert the large end of Tooling (B) into the No. 7 camshaft bore.
Position Tooling (C) over Tooling (A). Install Tooling (A) through the cylinder head on Tooling (B).
Position camshaft bearing (1) 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 (1) into the camshaft bore. Note: When the chamfer of Tooling (E) contacts the face of the camshaft bore, the camshaft bearing is properly installed.
Illustration 3 g01159756
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 (D) to align Tooling (A) and Tooling (B) with the camshaft bearing bores. Install Tooling (D) in the inside diameter of any installed camshaft bearing between Tooling (A) and Tooling (B).
Install Tooling (A) on Tooling (B). Position camshaft bearing (1) 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 (1) into the camshaft bore. Note: When the chamfer of Tooling (E) contacts the face of the camshaft bore, the camshaft bearing is properly installed.
Illustration 4 g01159758
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 (D) on Tooling (B).
Position camshaft bearing (1) 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