3. WORK EQUIPMENT HYDRAULIC CIRCUIT Steering unit P port Steering unit LS port SX P Pst T b1 b3 b2 4 B.D/F B.U CRAWD DUMP 1 3 4 2 P T 1.1 2.1 7 A1 P1 T Cut off valve P1 port Return line 24 X1 PS 1 18 Return line B1 E/G 17 L L1 S1 74096WE02 1 Main pump 3 Main control valve 4 Remote control valve 7 Safety valve 8 Boom cylinder 9 Bucket cylinder 17 Hydraulic tank 18 Air breather 19 Return filter 20 Bypass valve 21 Strainer 24 Pressure sensor 6-4 8 LH A2 ( ) ) ( ( ) Floating Dump Down )( Rollback Up Floating own Up D