UPPERSTRUCTURE / Control Valve 19 8 W1 Ｊ 1-02-05-051 W2-5-6 15 14 Boom Anti-Drift Valve 13 12 10 11 19 8 9 18 8 17 7 16 6 5 4 8 3 20 2 1 21 22 Bypass Shut-Out Valve 31 32 33 34 Boom Flow Rate Control Valve 44 38 43 10 42 41 40 10 39 15 17 45 45 14 52 17 14 41 39 8 15 46 51 8 43 19 44 8 46 47 47 48 48 49 49 50 53 54 Arm Flow Rate Control Valve Boom Anti-Drift Valve 13 12 10 11 19 8 9 18 8 17 7 16 6 5 4 8 3 20 2 1 21 22 Bypass Shut-Out Valve 31 32 33 34 Boom Flow Rate Control Valve 44 38 43 10 42 41 40 10 9 15 17 45 45 14 52 17 14 41 39 8 15 46 51 8 43 19 44 8 46 47 47 48 48 49 49 50 53 54 Arm Flow Rate Arm Flow Rate Control Valve 14 13 8 18 17 16 9 8 5 4 3 Boom Flow Rate Control Valve 43 42 41 40 15 14 41 51 43 46 8