3054, 3054B and 3056 Marine Engines Caterpillar

Engine Oil Cooler - Remove and Install - 3056 Engine

Usage:

3056 CKS

Removal Procedure

Start By:

In order to gain access to the engine oil cooler, it may be necessary to remove the heat exchanger. Refer to Disassembly and Assembly, "Heat Exchanger - Remove" for more information.

Show/hide table

NOTICE

Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life.

Show/hide table

NOTICE

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 Tools and Shop Products Guide" for tools and supplies suitable to collect and contain fluids on Caterpillar products. Dispose of all fluids according to local regulations and mandates.

Note:

Show/hide table




Illustration 1	g00758377

Drain the coolant from the engine oil cooler into a suitable container. Drain the engine oil from the engine oil cooler into a suitable container. Refer to the Operation and Maintenance Manual for the procedure on draining the engine coolant and the engine oil.

Remove nuts (2) from oil lines (5). Remove the flanges.

Remove engine oil lines (5) from engine oil cooler (1) .

Show/hide table




Illustration 2	g00751154

Remove bolts (7) and spacers (8) that fasten manual sump pump (6) to the engine oil cooler. Remove the manual sump pump from the engine oil cooler.

Remove bolts (3) and nuts (4) that secure the engine oil cooler to the cylinder block.

Remove engine oil cooler (1) from the cylinder block.

Refer to the Operation and Maintenance Manual, "Overhaul Considerations" for information on cleaning the oil cooler core.

Installation Procedure

Show/hide table

NOTICE

Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life.

Show/hide table




Illustration 3	g00758377

If the studs were removed, then apply 4C-4030 Thread Lock Compound to the threads of the studs. Install the studs into the cylinder block.

Clean the mating surfaces of oil cooler cover (1) and the cylinder block. Use 3S-6252 Sealant on the mating surfaces of the cover for the engine oil cooler and the cylinder block.

Position engine oil cooler (1) and the new gasket on the cylinder block. The baffle on the engine oil cooler should face the front of the engine. Install nuts (4) and bolts (3) and tighten to a torque of 22 N·m (16 lb ft).

Show/hide table




Illustration 4	g00751154

Install the manual sump pump for the engine oil. Install bolts (7) and spacers (8) that secure manual sump pump (6) to the engine oil cooler.

Install new gaskets on the flanges of the oil lines (5). Install the oil lines and tighten the nuts to a torque of 22 N·m (16 lb ft).

Fill the radiator with coolant. Check the level of the engine oil. Refer to the Operation and Maintenance Manual, "Refill Capacities" for exact capacities of the engine.

Start the engine. Check for coolant leaks and for oil leaks.

End By: If the heat exchanger was removed, install the heat exchanger. Refer to Disassembly and Assembly, "Heat Exchanger - Install" for further information.