GUARD 2390780 - Caterpillar

3. Disconnect the water supply line (1) for the air compressor from oil cooler.4. Disconnect the oil inlet line (3) and the oil outlet line (2) from the oil cooler. 5. Remove the bolts (4) and (6) that hold the oil cooler to the cylinder block.6. Remove the bolts (5) that hold the transmission oil cooler to the engine oil cooler, and remove transmission oil cooler.Install Transmission Oil Cooler
1. Put the transmission oil cooler into position on engine, and install the six bolts. 2. Connect the oil outlet line to the cooler.3. Connect the oil inlet line to cooler. 4. Connect the water supply line for the air compressor to the oil cooler.5. Fill the cooling system.6. Install the side cover for the engine.