CARTRIDGE ASSEM. 8S4579 - Caterpillar

Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 8S-2241 Camshaft Bearing Tool Group 1
B 8H-0684 Ratchet Wrench 1 Start By:
Remove the engine oil pump. Refer to Disassembly and Assembly, "Engine Oil Pump - Remove" for the correct procedure.
Remove the camshaft. Refer to Disassembly and Assembly, "Camshaft - Remove and Install" for the correct procedure.
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 1 g02010213
Inspect camshaft bearing (1). Refer to Specifications, "Camshaft Bearings" for more information.
If camshaft bearing (1) is worn or damaged, use Tooling (A) in order to remove the camshaft bearing from the cylinder block. Note: Remove the camshaft bearing from the front of the cylinder block.Installation Procedure
Table 2
Required Tools
Tool Part Number Part Description Qty
A 8S-2241 Camshaft Bearing Tool Group 1
B 8H-0684 Ratchet Wrench 1
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Clean the bearing housing in the cylinder block. Ensure that the oil hole in the bearing housing is free from debris.
Illustration 2 g02010216
Lubricate the bearing housing in the cylinder block with clean engine oil.
Accurately align large oil Hole (X) in camshaft bearing (1) with the oil hole in the cylinder block. Note: The Groove (Y) in the camshaft bearing must be to the top of the cylinder block.
Use Tooling (A) in order to install camshaft bearing (1) into the cylinder block. Install the camshaft bearing so that the front edge of the bearing is flush with the face of the recess in the cylinder block. Note: Ensure that the oil holes are correctly aligned. If the oil is not correctly aligned, the camshaft bearing should be removed.End By:
Install the camshaft. Refer to Disassembly and Assembly, "Camshaft - Remove and Install" for the correct procedure.