... fluid. The device consists of fuel tank, cartridge valve integrated system, motor and pump.The various components of the actuating unit described ... control including, the main circuit, the control circuit, indicator circuit, the solenoid circuit and the protection circuit, etc. 3.7.1. The ... .1.1.The machine uses the L-HM46 anti-wear hydraulic oil , operating temperature is 15°C~65°C ...