UPPERSTRUCTURE / Control Valve W2-5-34 Overload Overload 2 Relief Valve Relief Valve 3 4 7 9 15 5 6 8 11, 10 16 12 13 14 18, 17 Figure of Control Valve (Upper) Figure of Control Valve (Lower) Close-Up of Overload Relief Valve rm Regenerative Valve Bucket efer to Close-Up.) O (Rv ee fr elo a tod CR le ol sie ef UVa pl .v )e 1O (Rv ee fr elo a tod CR le ol sie ef UVa pl .v e R Vae lg ve en erative 1 r - r - ) 1 Overload Section of Arm Relief Valve Section of Overload Relief Valve, Regenerative Valve Section of Overload Relief Valve Bucket Regenerative Valve 19 20 23 21 22 24 25 27, 28 26 29 Section of Check Valve-1, Main Relief Close-Up of Arm Close-Up of Main Close-Up of Bucket Valve, Check Valve-2, Flow Combiner Regenerative Valve Relief Valve Regenerative Valve Valve W1J1-02-05-046 Section of Check Valve-1, Main Relief Valve, Check Valve-2, Flow Combiner Valve Close-Up of Arm Regenerative Valve Overload Relief Valve Overload Relief Valve Close-Up of Overload Relief Valve Buck Rege Valve et nerative Section of Overload Relief Bucket Regenerative Valve Valve