HYDRAULIC CIRCUIT(DIRECT STEERING, OPT) HYDRAULIC CIRCUIT(DIRECT STEERING, OPT) Sp.
35 36 4 AUX1 BUCKET T 39 Control unit EH17 EH18 EH20 EH19 6 3 In Bucket Dump Aux Up Aux Down a3 b3 a1 b1 4 1 4 2 14 S1 LH RH 7 S2 L R FRONT T A1 20 AXLE P 18 A2 8 CF EF PS REAR PARKING 37 P T T/M 38 2 4 32 18 PS 3 1 33 PS S P P1 M T 30 29 D 31 M A B 9606WE01 1 Main pump 2 Fan & brake pump 3 Main control valve 4 RCV (EH type) 5 RCV (FNR type, opt) 6 Steering unit 7 Accumulator 8 Steering valve (EHPS) 10 Safety valve 11 Shuttle valve 12 Boom cylinder 13 Bucket cylinder 14 Steering cylinder 15 Cut-off valve 16,17 Accumulator 18 Pressure sensor 19 Brake valve 20 Pressure switch 21 Hydraulic tank 22 Air breather 23 Return filter 24 By pass valve 25 Strainer 26 Oil cooler 27 Check valve 28 Pressure sensor 29 Fan motor 30 Directional valve 31 Pump motor (opt) 32 Check block (opt) 33 Pressure sensor (opt) 34 Check valve (opt) 35 Ride control valve (opt) 36 Accumulator (opt) 37 Quick coupler cylinder (opt) 38 Solenoid valve (opt) 39 Control unit 40 EH control block 41 Boom lowering valve 6-2-1 28 13 ET BOOM 5 12 PS Joystick RH 28 PS unit draulic) EH22 EH21 40 T a2 LS a3 B A P 3 T P a1 A1 B1 A2 B2 pst A3 B3 X X X x 5 2 3spool FLOATING 3 1 2spool BUCKET )( a2 b2 To DUMP BOOM DOWN et BoomBoom MCV DownUp ROLLBACK UP X X b1 X X A2 B2 X 7 41 b2 12 b3 LH 6 4 B.D/F B.U CRAWD DUMP AUX T P 1 1 3 4 2 1.1 2.1 P1 HYD T1 B a3 LS 3 T X X P a1 A1 BUCKET DUMP B1 A2 B2 pst FLOATING )( BOOM DOWN ROLLBACK UP X X b1 41 LS 27 27 LS S1 X1 X2 11 X3 27 27 S1 P2 T2 16 1617 S1 B1 B2 S2 S3 15 C5 C6 G X2 3 C1 C3 C4 P B PS C2 1 X1 34 28PS B1 B 2 G PP T1 T2 26 2 S1 L 5 21