[Td#] 1 Main pump 2 Main control valve 3 Swing motor 8 Boom cylinder(LH) 9 Boom cylinder(RH) 10 Arm cylinder 13 Check valve 14 Check valve 15 Hydraulic tank 16 Oil cooler 17 Air breather 18 Return filter 19 Strainer 22 Pressure sensor 24 Pressure sensor 26 Last guard filter 28 Screw coupling 29 Tee shuttle (option) 30 Boom safety valve (option) 31 Arm safety valve (option) 32 5-shuttle valve (option) 34 2-way pedal (option) 37 Stop valve (option) 39 Proportional relief valve (option) 41 3-solenoid cartridge valve (option) 44 Solenoid valve (option) 46 Float cartridge valve (option) 48 Solenoid valve (option) 49 Solenoid valve (option) 51 Pattern change valve (option) 52 Solenoid valve (option) 54 Solenoid valve (option) 56 Proportional valve (option) 57 Gear pump (option) 58 2-EPPR valve (option) 61 Proportional relief valve (option) 65 Shuttle block (option) 66 Solenoid valve (option) 67 Cylinder (option) 69 Control valve (option) 70 Stop valve (option) 71 Solenoid valve (option) 72 Safety valve (option) 74 Solenoid valve (option) 75 Solenoid valve (option) ( ,P4) 21 ( ,A3) 41 ( ,A3) 66 In Case of 2-WAY OPTION In Case of 2-WAY+ROTATING +PEDAL OPTION pa10 Or ( ,A2) 54 ( ,P) 49 In Case of 1-WAY OPTION ps2 T4 Or In Case of Quick Coupler 2 [Td#] P A T 30KB-27100-03 2OF2 67 71 ( ,PG) 3 This 1-sol' valve in standard circuit must be removed in the option of "swing parking by force" (3-sol valve will replace 1-sol valve for the function.) V1 C1 C2 V2 ( ,A1) 21 A1 A2 A3 B1 B2 B3 ( ,Pa2) ( ,Pb2) 2 2 (Swing CCW) (Swing CW) ( ,PG) 3 ITEM PORT ITEM PORT J1 J3 J4 J2 D J E H ( ,4) ( ,1) ( ,3) 75 FL BL FR BR ( ,Pa1) 2 ( ,a) 25 ( ,b) 25 FROM TO 50 25 7 7 7 A1 A2 A3 A4 3 2 1 ( ,Pb6) 2 19є,EATON 19є,DAEHYUN 19є,EATON 19є,DAEHYUN 69 72 (DOWN) T (UP) 14 13 16 T 73 A P T 2 4 2 4 M1 M2 50 M3 M4 ( ,2) 3 2 1 ( ,Pa6) 2 ( ,Pb1) 2 NOTE A1 B1 52 [Td#] 5 6 7 ITEM OPT(1) PART NO.
31K9-21011/21 31K9-21410/20 EJA21 ERR01 31K9-21131/41 EJA01 EJA21 31K9-21430/40 P T B T P A J1 J2 J3 J4 M1M2 M3 M4 OPT(2) ERR00 EJA01 70 49 [Td#] In Case of Removeable counterweight ( ,P3) ( ,To STOP V/V) 70 51 5 / 6 ( ,P3) 2 2 [Boom Down] [Td#] ( ,j) 25 PS 22 MB MA MB MA 22 30 30 PS 48 P A T 14 13 16 ( ,e) 25 ( ,A5) 2 ( ,B5) 2 30 30 9 8 LC0 A2 T DR2' DR2 [dr#] pc2 A7 B7 pb7 pa7 E T 28 Pi1 Pi1 T ( ,j) 25 ( ,B7) 2 ( ,A7) 2 3 3 B A 2 46 22 PS G Boom 1 [Td#] 74 3-2 Pi1 V2 E Pi1 V2 Boom 2 31 T [Td#] A3 B3 pa3 pb3 E Pi1 V2 [Td#] [Td#] GA A3 34 41 26 24 26 29 G.P PS T P2 [FLOW CONFLUX] [BREAKER] [PEDAL SAFETY] ( ,C) 27 pa10 ( ,Pa10) 2 [Td#] [Td#] P1 ( ,A1) 21 pa10 ( ,A3) 41 ( ,Pa10) 2 T P1 ( ,A1) 21 ( ,A3) 66 A2 A1 ( ,C) 32 P2 PS 24 A2 A1 A3 T [FLOW CONFLUX] [BREAKER] [PEDAL SAFTY] 66 24 58 A2 B A3 [FLOW CONFLUX] [BREAKER] [PEDAL SAFETY] [EPPR SAFETY] pa10 Option ps2 T4 ( ,G) 65 P2 A1 A2 PS ( ,A1) 21 P1 [Td#] 2 2 44 2 Option A1 Option pa4 [Td#] P T (1) (2) A4 B4 pa5 pb4 32 pa4 A4 B4 pa5 pb4 pa4 2 pb4 A B C B1 B C A1 A B B1 C A1 A 32 [Td#] A B D C E A4 B4 pa5 B1 A1 ( ,P2) 41 14 13 16 58 A1 A2 P T 26 ( ,P2) 44 34 26 P T (1) (2) F H G R1 R3 ( ,P2) 66 37 37 T1 39 T1 P T 26 T A B A B T 29 [Td#] 61 37 37 14 13 16 65 14 13 16 T1 39 T A B A B T T1 [Td#] 37 37 39 [Td#] T1 T A B A B T T1 pa10 [Td#] 61 61 ( ,A1) 21 2.
HYDRAULIC CIRCUIT (2/2) 2. HYDRAULIC CIRCUIT (2/2) 2 Option A2 A1 26 T P [FLOW CONFLUX] [BREAKER] 1 M2 M2 A4 B4 pa5 pb4 [Td#] pa4 24 PS 17 18 19 57 1 18 T1 [Td#] A2 15 56 37 B A 37 A2 17 15 19 57 56 37 37 T A B 54 Vgmax Vgmin R1 R3 M LS Vgmax Vgmin B A 37 37 16 39 M LS 14 13 A3 T P A3 T P E E