2. HYDRAULIC CIRCUIT 2. HYDRAULIC CIRCUIT 10 RH LH LS 3 S SX P 5 Pst T LS 1 S P 27 24 29 PS X1 18 Return line 28 PS M T Return line P1 B1 26 M E/G L L1 S1 17 740F5SE01 5-2 )( )( Priority valve L R T 1 Main pump 3 Main control vavle 5 Steering unit 10 Steering cylinder 17 Hydraulic tank 18 Air breather 19 Return filter 20 Bypass valve 21 Strainer 24 Pressure sensor 26 Motor pump (option) 27 Check block (option) 28 Pressure sensor (option) 29 Check valve (option)