BEARING-JOURNAL 4975558 - Caterpillar

Removal Procedure
Start By:
Remove the camshaft gear. Refer to Disassembly and Assembly, "Camshaft Gear - Remove and Install" for the correct procedure.
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
The engine should be mounted on a suitable stand and placed in the inverted position.
Illustration 1 g02946416
Remove bolts (3) from thrust plate (1).
Make a temporary mark in order to identify the orientation of thrust plate (1). Slide the camshaft towards the front of the engine in order to allow removal of the thrust plate. Remove the thrust plate.
Do not damage the lobes or the bearings when the camshaft is removed or installed.
Carefully remove camshaft (3) from the cylinder block. Installation Procedure
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 2 g02946416
Clean camshaft (2) and clean thrust plate (1). Inspect the camshaft and the thrust plate for wear and damage. Refer to Specifications, "Camshaft" for more information. If necessary, replace any components that are worn or damaged.
Clean the camshaft bearing in the cylinder block. Inspect the camshaft bearing for wear and damage. Refer to Specifications, "Camshaft Bearings" for more information. If necessary, replace the camshaft bearing. Refer to Disassembly and Assembly, "Camshaft Bearing - Remove and Install".
Replace all lifters when a new camshaft is installed.
Inspect the lifters for wear and for damage. Refer to Specifications, "Lifter Group" for more information. If necessary, replace any lifters that are worn or damaged. Refer to Disassembly and Assembly, "Lifter Group - Remove and Install" for the correct procedure.
Lubricate the lobes and the bearing surfaces of the camshaft with clean engine oil.
Do not damage the lobes or the bearings when the camshaft is removed or installed.
Carefully install camshaft (3) into the cylinder block. Leave the camshaft slightly protruding in order to allow installation of the thrust plate.
Illustration 3 g02948296
Lubricate thrust plate (1) with clean engine oil. Position the thrust plate onto the camshaft with the chamfer in Position (X) facing towards the cylinder block. Slide the camshaft into the cylinder block.
Install bolts (3) to thrust plate (1). Tighten the bolts to a torque of 25 N m (221 lb in) End By:
Install the camshaft gear. Refer to Disassembly and Assembly, "Camshaft Gear - Remove and Install" for the correct procedure.