HARNESS AS-SWITCH 3903001 - Caterpillar

Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 8S-2241 Camshaft Bearing Tool Group 1
8H-0684 Ratchet Wrench 1 Start By:
Remove the engine oil pump. Refer to Disassembly and Assembly, "Engine Oil Pump - Remove".
Remove the camshaft. Refer to Disassembly and Assembly, "Camshaft - Remove and Install".
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 1 g01270437
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
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 holes in the bearing housing are free from debris.
Illustration 2 g01266512
Lubricate the bearing housing in the cylinder block with clean engine oil.
Accurately align the two oil Holes (X) in camshaft bearing (1) with the two oil Holes (X) 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 all oil holes are correctly aligned. If the oils are not correctly aligned, the camshaft bearing should be removed.End By:
Install the camshaft. Refer to Disassembly and Assembly, "Camshaft - Remove and Install".
Install the engine oil pump. Refer to Disassembly and Assembly, "Engine Oil Pump - Install".