1 MAIN PUMP 2 MAIN CONTROL VALVE 3 SWING MOTOR 4 TRAVEL MOTOR 5 RCV LEVER-LH 6 RCV LEVER-RH 7 SOLENOID VALVE 8 TURNING JOINT 9 BUCKET CYLINDER ASSY 10 BOOM CYLINDER ASSY 11 DOZER CYLINDER ASSY 12 ARM CYLINDER ASSY 13 BOOM SWING CYLINDER ASSY 14 TERMINAL ASSY 15 RADIATOR TOTAL ASSY 16 RETURN CHECK VALVE 17 RETURN FILTER 18 SUCTION STRAINER 19 HYD TANK 20 STOP VALVE (LH) 22 RCV PEDAL-OPT 23 RCV PEDAL-TRAVEL 24 RCV DOZER 25 3 WAY VALVE 26 SOLENOID SELECTOR 27 FRAME EXTENSION CYLINDER 29 BLOCK(A) 32 PRESSURE SWITCH 33 SHUTTLE VALVE 34 RETURN PIPE ASSY 35 STOP VALVE(RH) 37 TERMINAL ASSY 30MJ-00001-01 1OF2 13 4 11 27 26 ( ,A1) 2 ( ,B1) 2 [DOZER UP] [DOZER DOWN] C1 C4C2 C3 DR1 DR2 A(BW) B(FW) P1 P2 RH R E D .
( ,A6) 2 ( ,B6) 2 E G H B5 2 Pb8' P2 P1 Pa6 Pa7 Pa4 Pa5 AC Pa3 Pa2 Pb2 RH IN OUT OUT IN 4 1 3 D E A 2 ( ,Pb2) 2 ( ,Pa2) 2 ( ,Pa4) 2 ( ,Pb4) 2 26 P3 A6 B6 A3 B3 A4 B4 A2 B2 A5 B10 A10 B7 A7 A9 B8 P T P ( ,T2) 29 ( ,P3) 29 22 24 1 2 P T P T P T ( ,P4) 29 ( ,T4) 29 [BM SWING L] [ARM IN] [BOOM UP] ( ,1) 22 BS ( ,2) 22 [BM SWING R] 5 6 29 BUCKET ARM 1 3 2 ( ,F) 37 ( ,Pb10) 2 DR ( ,T2) 29 ( ,Pa5) 2 ( ,Pb5) 2 RH B/SWING 1 2 ( ,T) 8 PP B(CW) A(CCW) [SWING RH] SWING Pb10 Pb8 T2 Pb6 Pb7 Pb4 Pb5 T1 Pb3 [SWING LH] ( ,1) 6 ( ,Pa3) 2 ( ,Pa10) 2 LH ( ,J) 37 ( ,D) 14 ( ,1) 5 ( ,D) 34 ( ,T) 3 F J 2 1 ( ,Pa1) 2 ( ,Pb1) 2 ( ,P2) 29 ( ,T3) 29 ( ,P) 23 R E D ( ,T2) 2 ( ,P2) 1 ( ,P1) 1 ( ,P3) 1 MRV-P3 ( ,P2) 7 SWING ( ,P5) 29 37 DOWN UP 3-1 T ( ,A) 34 ( ,Pb5) 2 ARM CROWD Pp1 ( ,Pa8) 2 LH ( ,Pb3) 2 3 BU ( ,A) 14 ( ,2) [RCV-PEDAL] 22 ( ,Pa6) 2 ( ,Pb6) 2 ( ,Pa7) 2 B ( ,C) 34 [RCV-PEDAL] 22 (BREAKER) ( ,1) PTO (BREAKER) [BW] [FW] [BW] [FW] 2 4 3 1 25 P T ( ,P4) 29 ( ,T4) 29 33 b2 a2 (BREAKER) 20 35 23 R/H L/H a1 b1 [ARM OUT] ARM ( ,AC) 2 [ARM IN] ( ,PP) 3 32 ( ,E) 14 ( ,Pb7) 2 ( ,C) 8 ( ,A) 8 [RH(BW)] ( ,3) 23 TRAVEL(RH) ( ,4) 23 ( ,2) 23 [RH(FW)] ( ,T) 6 ( ,P) 5 ( ,P) 6 9 10 12 ( ,T) 23 ( ,T) 22 T2 T3 T4 T5 P2 P3 P4 P5 ( ,P) 22 ( ,P) 23 ( ,T1) 29 MRV-P2 Dr1 ( ,DR2) 2 ( ,Dr1) 2 ( ,T) 24 ( ,T) 5 ( ,P) 8 SAFETY 2-SPEED ACC A1 A2 T TR MRV-P1 ( ,T3) 29 ( ,Dr) 3 ( ,P) 24 [LH(BW)] TRAVEL(LH) [LH(FW)] ( ,T) 7 T1 P1 K1 K2 K4 P1 P2 P3 P4 ( ,D) 8 ( ,B) 8 ( ,1) 23 34 7 ( ,P1) 2 ( ,P2) 2 ( ,P3) 2 ( ,Pb8') 2 [BOOM DOWN] K3 P2 ( ,pp1) 2 P1 S1 GROUP 1 HYDRAULIC CIRCUIT GROUP 1 HYDRAULIC CIRCUIT ( ,BU) 2 Pa8 BOOM ( ,B) 14 ( ,DR1) 2 1 1.
HYDRAULIC CIRCUIT (1/2) 1. HYDRAULIC CIRCUIT (1/2) ( ,Pb8) 2 DR2 E [BUCKET OUT] ( ,F) 37 Pa10 ( ,3) 6 [BUCKET IN] 15 16 19 17 BUCKET 18 A B C ( ,B) 25 D ( ,T1) 2 ( ,T) 3 E B(FW) DR B 10 A 10 BUCKET A 10 BUCKET Pa10 Pb8' DR2 Pa8 A9 B8 B7 Pa7 P1 A7 P2 Pa6 A6 Pa5 B6 A5 Pa4 B5 A4 B AC P3 Pa3 4 B3 A3 ARM SWING CROWD MRV-P3 BOOM TRAVEL(LH) TRAVEL(RH) MR M ARM PTO V-P2 RV-P1 MRV-P3 Pb10 T2 Pb8 Pb7 Dr1 Pb6 Pb5 Pb4 T1 Pb3