HUB-SPROCKET 2899471 - Caterpillar

Removal Procedure
Start By:
Remove the fuel injection lines. Refer to Disassembly and Assembly, "Fuel Injection Lines - Remove and Install".
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.Dispose of all fluids according to local regulations and mandates.
Illustration 1 g01325773
Typical example
Use a deep socket to remove fuel injectors (2) from the cylinder head.
Remove seat washers (1) .Installation Procedure
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Clean the bore for the fuel injector in the cylinder head. Ensure that no debris enters the cylinder. Clean the threads on the body of the fuel injector.
Illustration 2 g01325773
Typical example
Install new seat washers (1) into the bore for the fuel injector in the cylinder head.
Install fuel injectors (2) into the cylinder head. Use a deep socket to tighten fuel injectors (2) to a torque of 59 N m (44 lb ft).End By: Install the fuel injection lines. Refer to Disassembly and Assembly, "Fuel Injection Lines - Remove and Install".