COLLAR 6K4178 - Caterpillar

Remove & Install Engine Oil Cooler
Start By:a. remove oil filter and oil filter base FLUID SPILLAGE CONTAINMENT Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the machine. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids. Refer to "TOOLS AND SHOP PRODUCT GUIDE, NENG2500", for tools and supplies suitable to collect and contain fluids in Caterpillar machines. Dispose fluids according to local regulations and mandates.
3304 Engine Shown
3306 Engine Shown1. Drain the coolant from the cooling system into a suitable container for storage or disposal.2. On 3306 Engines, loosen the clamp and remove the bolts that hold pipe (1) on the rear side of the oil cooler. Remove the pipe and gasket from the engine.3. Remove all bolts (4), elbow (5) and the gaskets from the engine.4. Remove bolts (2), core assembly (3) and the gasket.5. If necessary, loosen clamp (6), and remove bolt (8) and pipe (7) from the engine. 6. On 3306 engines, remove the bolts and elbows (9) and (11) from core assembly (3). Remove O-ring seals (10) from the elbows.7. Clean the tube bundles in the core assembly with a 3.18 mm (.125 in) diameter rod. The following steps are for the installation of the engine oil cooler.8. On 3306 Engines, install O-ring seals (10) in elbows (9) and (11). Put the elbows in position on core assembly (3) as shown, and install the bolts that hold them.9. Put pipe (7) in position on the engine, and install the bolt and clamp that hold it.10. Put core assembly (3) and the gasket in position on pipe (2), and install the bolts that hold it.11. Put the gaskets and elbow (5) in position on the cylinder block and the core assembly, and install the bolts that hold it.12. On 3306 Engines, install the gasket and pipe (1).13. Fill the cooling system with coolant to the correct level. See the Operation & Maintenance Manual.End By:a. install oil filter base