RETAINER-GUARD 2M4668 - Caterpillar

Removal Procedure
Start By:
Remove the camshaft gear. Refer to Disassembly and Assembly, "Camshaft Gear - Remove".
Remove the electronic unit injectors. Refer to Disassembly and Assembly, "Electronic Unit Injector - Remove".
Remove the valve mechanism cover base. Refer to Disassembly and Assembly, "Valve Mechanism Cover Base - Remove and Install".
Remove the turbocharger. Refer to Disassembly and Assembly, "Turbocharger - Remove".
Remove the water temperature regulator. Refer to Disassembly and Assembly, "Water Temperature Regulator - Remove and Install ".
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, "Caterpillar Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Caterpillar products.Dispose of all fluids according to local regulations and mandates.
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Do not turn the crankshaft or the camshaft while the camshaft gear is removed. If the front gear group is not correctly timed during installation, interference can occur between the pistons and the valves, resulting in damage to the engine.
Illustration 1 g01067189
Remove bolts (2) and thrust plate (1) .
Illustration 2 g01067187
Remove sealing plate (3) and adapter assembly (4) .
Illustration 3 g01067186
Remove O-ring seal (5) and O-ring seal (6) from sealing plate (3)