DISASSEMBLY AND ASSEMBLY RADIATOR, HYDRAULIC COOLER REMOVAL OF RADIATOR, HYDRAULIC COOLER ASSEMBLY Lower the work equipment completely to the ground and stop the engine. Then loosen the oil filler cap slowly to release the pressure inside the hydraulic tank. 1. Drain oil from hydraulic tank. 6 Hydraulic tank: Approx. 270 ¬ 2. Drain coolant. 3. Lift off engine hood, then remove cover (1) and frame and spring assembly (2). 4. Disconnect air conditioner hose (3) and (4), and remove condenser assembly (5). fl Collect refrigerant (R134a). For details, see REMOVAL OF AIR CONDI- TIONER COMPRESSOR ASSEMBLY. 5. Remove aftercooler assembly. For details, see REMOVAL OF AFTERCOOLER ASSEMBLY. 6.
Disconnect sub-tank hose (6). 7. Remove undercover under radiator, and discon- nect radiator lower hose (8) and cooler outlet hose (9). fl The radiator lower hose is clamped to the radiator, so be sure to disconnect the clamps. fl When the cooler outlet hose is disconnected, oil will flow out, so set a container under the machine to catch the oil, and disconnect the hose from the cover on the right side of the machine. 8 9 CEP00272 30-38 PC400, 450-6