UPPERSTRUCTURE / Control Valve 64 Overload Relief Valve-2 Figure of Control Valve (Upper) Section of Overload Relief Valve-1 Section of Check Valve-3, Overload Relief Valve-1 Section of Check Valve-2, Overload Relief Valve-2 1 4 2 12 3 15 16 Close-Up of Check Valve-3 27 5, 6 21, 20 Close-Up of Overload Relief Valve-1 22 Section of Check Valve-1, Overload Relief Valve-1 ( ) For Check Valve-2 Close-Up of Check Valve-1, Check Valve-2 Close-Up of Overload Relief Valve-2 W1J1-02-05-047 W2-5-50 64 Figure of Control Valve (Lower) 13 14 7 8 5, 6 9 10 11 19 28 24, 23 26 29, 30