UPPERSTRUCTURE / Control Valve ASSEMBLE CONTROL VALVE (5-SPOOL HOUSING UPPER AND LOWER SURFACES) Overload Relief Valve-2 Check Valve-2 Check Valve-1 64 Figure of Control Valve (Upper) Overload Relief Valve-1 64 Figure of Control Valve (Lower) Check Valve-3 (Refer to Close-Up.) Overload Relief Valve-1 (Refer to Close-Up.) Overload Relief Valve-2 (Refer to Close-Up.) Check Valve-2 (Refer to Close-Up.) Overload Relief Valve-1 (Refer to Close-Up.) Section of Check Valve-3, Overload Relief Valve-1 Section of Check Valve-2, Overload Relief valve-2 Section of Overload Relief Valve-1 Check Valve-1 (Refer to Close-Up.) Overload Relief Valve-1 (Refer to Close-Up.) 38 1 46 39 4 2 47 53 40 12 8 7 14 13 3 52 48 57 42 41 15 49 51 43 50 24, 23 Close-Up of Check Valve-3 16 9 5, 6 28 54 31 (36) 27 19 11 10 55 32 5, 6 28 29, 30 56 33, 37 34 21, 20 24, 23 26 Close-Up of Overload Relief Valve-1 35 22 29, 30 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 W2-5-46 Check Val ve-3 verload R alve-1 elief Overload alve-1 Refer to Relief Close-Up.)