TURBOCHARGER GP 4678233 - Caterpillar

Disassembly Procedure
Start By:
Remove the engine oil filter base. Refer to Disassembly and Assembly, "Engine Oil Filter Base - Remove".
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.Refer to Special Publication, NENG2500, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat products.Dispose of all fluids according to local regulations and mandates.
Remove the O-ring seals from the engine oil filter base.
Illustration 1 g01082965
Personal injury can result from parts and/or covers under spring pressure.Spring force will be released when covers are removed.Be prepared to hold spring loaded covers as the bolts are loosened.
Remove cover (1) and the gasket.
Illustration 2 g01082966
Remove spring (2) and plunger (3).