< 2WAY_PROPORTIONAL RCV > < 2WAY + ROTATING_PROPORTIONAL RCV > A C < DOZER DPC VALVE, DV01 > D < ARM SAFETY LOCK, AS01 > RH LH (CLAMP) (RELEASE) LH RH LH RH (ROTATOR RH-R) (ROTATOR LH-R) (CLAMP) (RELEASE) 41 ( 2 ,A4) LH-B (2WAY),INSTEAD OF STOP VALVE ( 2 ,B4) RH-B (2WAY),INSTEAD OF STOP VALVE 34 34 6-2 < RCV LEVER (LH) > < RCV LEVER (RH) > SWING P BOOM ARM 26 [CLAMP] ( 2 ,Pa4) ( 2 ,Pb4) A1 BUCKET P 2 2 3 [ROTATING, LH-R] T SWING P ( 29 ,T3) ( 29 ,P3) ARM BOOM ] 1 ( 2 ,Pa5) ( 2 ,Pa3) ( 2 ,Pb5) ( 2 ,Pa10) ( 2 ,Pa8) ( 2 ,Pb8) 4 2 CCW CW IN 3 OUT J F H A ( 2 ,Pb5) P1 FLOW 1 P2 FLOW P C A D B 23 D ( 2 ,Pb10) RELIEF SETTING PR. ORV (AR, BR) ( 2 ,PaR) ( 2 ,Pb4) A1 A2 A ( 29 ,P4) P < BOOM SAFETY LOCK, BS01 > A3 A4 P B T P [ROTATOR , LH-R] 2 FW 1 BW 4 FW 3 BW ( 2 ,Pa7) [INSTEAD OF RCV_2WAY, 22 OR 2-EPPR VALVE, 26 ( 8 ,F) < QUICK COUPLER, HQ01, 2-WAY OPTION > T ( 38 ,A4) [ROTATING, RH-R] ] 31-1 B D H2 36 Pi1 ( 31 ,T) ( 2 ,Pb6) ( 2 ,Pb7) I < AIR CONDITIONING MODE, AC01/AC02 > A1 [LH, RELEASE] A2 A3 A4 PC 1 LEGEND A. 2-way proportional (optional) 5-2. 6-2. 26. Remote control valve (left-hand) Remote control valve (proportional, right-hand) 2-EPPR (Electronic Proportional Pressure Reducing) valve B. Accumulator 28. Accumulator 2-way proportional and rotating proportional remote control valve (optional) 2-2. 5-3. 6-2. 38. 39. Main control valve Remote control valve (proportional, left-hand) Remote control valve (proportional, right-hand) 4-EPPR (Electronic Proportional Pressure Reducing) valve Quick coupling (quantity 4) 41. Blade lifting cylinder with DPC valve S1 C. B 42 A D. Blade lifting cylinder with DPC valve (optional) T ( 30 ,C1) P T ( 29 ,T2) E. Boom cylinder (with holding valve) (optional) 33. 40. Boom cylinder holding valve Overload pressure switch F. Dipper cylinder (with holding valve) (optional) 32. Dipper cylinder holding valve 36. 37. 27. Pressure switch Shuttle valve Solenoid valve 27. 45. Solenoid valve Pressure switch 42. Solenoid valve G. Travel alarm (optional) SWITCH: 190 bar 45 V2 37 ( 2 ,Pb8) H1 E P4 40k PS ( 2 ,A9) BUCKET CYLINDER P3 160k PS E PbR [ROTATOR ( 29 ,T3) , RH-R] ( 30 ,C1) P2 [RH] [LH] E ( 2 ,B8) T 27 K3 P1 ( 29 ,T4) T ( 2 ,PbR) 40 ( 29 ,P3) 1 34 ( 2 ,Pa6) SAFETY P G < RCV PEDAL_TRAVEL > 245k at 5LPM 33 38 7 27 < TRAVEL ALARM, EA01 > E 8 ACC A F P3 FLOW 0.35L [RH, CLAMP] B IN ( 2 ,Pa10) ( 2 ,Pa8) ( 2 ,Pb8) < QUICK COUPLER, HQ02, 1-WAY OPTION > ( 2 ,Pa4) 28 3 ( 2 ,Pa5) ( 2 ,Pa3) B 2 G ( 2 ,Pb3) 31-1 < ACCUMULATOR, HA01 > 4 UP DOWN OUT DOZER 22 SWING [INSTEAD OF RCV 2WAY, ( 2 ,Pb10) PTO D PTO2 B ARM A TRAVEL T BOOM H TRAVEL J BR BUCKET F 31-1 AR 2-2 BUCKET P T ( 2 ,Pb3) PaR < RCV LEVER (RH) > BOOM SWING IN < RCV LEVER (LH) > ( 2 ,B5) A ( 38 ,A3) 34 6-2 B CONNECTING UP DOWN OUT OUT 34 5-3 1 ( 2 ,Arm crowd) PTO2 CCW CW IN 4 C 39 A2 P 3 4 Pi1 D T T 1 V2 ( 2 ,A5) RH-R (ROTATING) [RELEASE] 32 E T ( 7 ,T) LH-R (ROTATING) 5-2 F PS A1 ACC SAFETY 7 A2 H1. Quick coupler (HQ02 1–way option) H2. Quick coupler (HQ01 2–way option) 2-SPEED I. MAIN CONTROL VALVE B10 Air-conditioning mode (not equipped) K3 T P2 S1 P1 14 K4 TR CX33C EXCAVATOR HYDRAULIC SCHEMATIC 51691673EN - 2/2