7. SAFETY VALVE SAFETY VALVE STRUCTURE STRUCTURE 1) 2 4 3 P1 5 A1 T A1 2 3 1 1 P1 T Hydraulic circuit 75796WE16 OPERATION This valve is used to cut off the pilot circuit. When the pilot cut off switch in the cab is pressed to ON position, the solenoid valve is activated and then the pilot oil flow into the pilot circuit. The accumulator satisfied short term peak power demands and is a source of emergency power in case of main circuit pressure failures. 2) 6-33 Port Port name Port size P1 From MCU PF 3/8" A1 Supply to RCV lever PF 1/4" T To hydraulic tank PF 1/4" 1 Bowl and element assy 2 Check valve 3 Cartridge 4 Solenoid valve 5 Accumulator