70 - EXCAVATOR HYDRAULIC SYSTEM 2160 Parts group HYDRAULIC SYSTEM 2160 HYDRAULIC SYSTEM 2160 . HYDRAULIC RESERVOIR [01H20] MAIN PUMP DRIVE [01H22] PUMP, MAIN HYDRAULIC [01I01] PUMP, MAIN HYDRAULIC [01I02] PUMP, MAIN HYDRAULIC [01I03] ROTARY GROUP [01I05] MAIN HYDRAULIC PUMP REGULATOR (FRONT) [01I07] MAIN HYDRAULIC PUMP REGULATOR (REAR) [01I09] SOLENOID VALVE [01I11] SYSTEM RELIEF VALVE [01I13] PILOT PUMP [01I15] PILOT PUMP (BLADE) [01I17] HYDRAULIC FUNCTION VALVE HOSES AND LINES [01I19] HYDRAULIC FUNCTION VALVE HOSES AND LINES [01I20] HYDRAULIC FUNCTION VALVE HOSES AND LINES [01I21] HYDRAULIC FUNCTION VALVE HOSES AND LINES [01I22] HYDRAULIC FUNCTION VALVE HOSES AND LINES [01I23] HYDRAULIC FUNCTION VALVE HOSES AND LINES [01J01] CONTROL VALVE (RIGHT HALF) [01J03] CONTROL VALVE (RIGHT HALF) [01J05] CONTROL VALVE (LEFT) [01J07] CONTROL VALVE (LEFT) [01J09] OIL COOLER LINES AND HOSES [01J11] OIL COOLER LINES AND HOSES [01J12] OIL COOLER LINES AND HOSES [01J13] OIL COOLER LINES AND HOSES [01J14] OIL COOLER LINES AND HOSES [01J15] OIL COOLER LINES AND HOSES [01J17] PILOT VALVE [01J19] PILOT PRESSURE RELIEF VALVE [01J21]