HOSE-RADIATOR 3788268 - Caterpillar

Removal Procedure
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, "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.
Close the valve for the sea water.
Illustration 1 g00810365
The turbocharger has been removed for illustration purposes.
Loosen hose clamps (1) and remove hoses for the sea water circuit from the marine transmission oil cooler (2) .
Illustration 2 g00807437
Note: Ensure that sea water does not enter the gear box.
Mark the position of oil inlet line (9) and oil outlet line (7). Remove the oil inlet line. Remove the oil outlet line. To ensure that the level of the oil in the gear box is maintained at the correct level, the marine transmission oil cooler lines must be installed correctly.Note: Ensure that a wrench is used to prevent movement of the unions (6) when nuts (5) are removed.
Put a mark (8) across the bracket for the marine transmission oil cooler and the body of the marine transmission oil cooler. The mark will identify the correct position for assembly.
Remove bolt (3) for the support bracket (4) and remove the marine transmission oil cooler (2) from the engine.Installation Procedure
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 3 g00745312
Typical example
Clean the marine transmission oil cooler and inspect the marine transmission oil cooler. Clean the marine transmission oil cooler with a suitable cleaning fluid. If scale buildup is present inside tube bundle (10), clean the tube bundle with a 3.00 mm (0.118 inch) nylon rod. Check the marine transmission oil cooler for signs of leakage. Check the hose connections for leakage. If the tube bundle is damaged, the tube bundle must be replaced.
Illustration 4 g00807437
Align marks (8) for the support bracket (4) of the marine transmission oil cooler and the body of the marine transmission oil cooler (2) .
Illustration 5 g00810365
The turbocharger has been removed for illustration purposes.Note: The inlet and outlet connections for the marine transmission oil cooler should be at a 30° angle from horizontal.
Install bolt (3) that fastens the marine transmission oil cooler to the support bracket (4) .
Connect inlet line (9) and outlet line (7). Ensure that a wrench is used to prevent movement of the unions (6) when nuts (5) are installed.
Install hoses and install hose clamps (1) for the sea water circuit. Tighten the hose clamps.
Open the valve for the sea water.
Connect the battery. Operate the engine and check for leakage in the sea water circuit. Check the marine transmission inlet and outlet oil lines for leakage.