DISASSEMBLY AND ASSEMBLY HYDRAULIC COOLER 8. Sling hydraulic cooler assembly (9), remove mounting bolts (bottom: left and right; top: left and right), then lift off hydraulic cooler assem- bly (9). 4 Hydraulic cooler assembly: 110 kg 9 CEP00267 INSTALLATION OF HYDRAULIC COOLER ASSEMBLY Carry out installation in the reverse order to removal. Refilling with oil (hydraulic tank) fl Add oil through the oil filler to the specified level. Run the engine to circulate the oil through the system. Then check the oil level again. PC400, 450-6 30-37