UPPERSTRUCTURE / Control Valve 19 8 W1 Ｊ 1-02-05-051 W2-5-4 ASSEMBLE CONTROL VALVE (4-SPOOL HOUSING SIDE) 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 Load Check Valve 23 24 25 Bypass Shut-Out Valve 26 31 30 27 35 28 32 29 24 25 33 36 34 37 Boom Flow Rate Control Valve 44 38 43 10 42 41 40 10 15 39 17 45 45 14 52 17 14 41 39 8 15 46 51 8 43 19 44 35 8 55 46 47 47 48 48 49 49 54 50 53 37 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 Load Check Valve 23 24 25 Bypass Shut-Out Valve 26 31 30 27 28 32 29 24 25 33 34 Boom Flow Rate Control Valve 44 38 43 10 42 41 40 10 15 9 17 45 45 14 52 17 14 41 39 8 15 46 51 8 43 19 44 35 8 55 46 47 47 48 48 49 49 54 50 53 37 Arm Flow Rate Control Valve 35 36 37 14 13 12 1 8 18 17 16 9 8 5 4 3 Boom Flow Rate Control Valve 42 41 40 15 14 41 51 43 46 8