<2WAY-PROPORTIONAL RCV> LH ROTATOR CW ROTATOR CCW CLAMP RH RELEASE <2WAY + ROTATING-PROPORTIONAL RCV> LH ( 29 ,P4) 34 CLAMP RH RELEASE P ( 2 ,A4) LH-B (2WAY), INSTEAD OF STOP VALVE ( 2 ,B4) RH-B (2WAY), INSTEAD OF STOP VALVE 23 ( 29 ,T4) T [RH] [LH] LH-R (ROTATING) 5-2 34 6-2 P BUCKET BOOM ARM SWING 34 ( 2 ,Pa4) ( 2 ,Pb4) 5-3 34 A2 SWING ( 2 ,Pa8) 1 IN P1 FLOW P2 FLOW P3 FLOW ( 2 ,Pb3) ] F ( 2 ,Pb10) 31-1 ( 2 ,Pa5) ( 2 ,Pb5) 3 OUT 37 DOZER D 2 SWING B A 4 UP DOWN OUT BOOM SWING ( 2 ,Pa3) H 2 4 IN CONNECTING J 22 2 3 CCW CW PTO2 [INSTEAD OF RCV-2WAY, F 31-1 BR ARM ( 2 ,Pb3) 1 ( 29 ,T3) ( 29 ,P3) IN OUT AR PTO 1 3 2 DOWN PaR TRAVEL 4 UP 2-2 TRAVEL OUT J ( 2 ,Pa3) ( 2 ,Pa10) H A B D 36 ( 2 ,Pb10) ( 2 ,Pb5) ORV(AR,BR) ( 2 ,Pa8) 40k PS RELIEF SETTING PR. ( 2 ,Pa5) ( 2 ,Pb8) 235k at 5LPM ( 2 ,Pa10) ( 2 ,Pb8) ( 2 ,Pb6) ( 2 ,Pa4) 38 33 0.35L A1 A2 A3 ( 2 ,B8) ( 2 ,A5) ACC 7 40 SAFETY PbR E T K3 B D 32 V2 ( 2 , Arm crowd) 31-1 V2 T E ( 29 ,T3) ( 29 ,P3) [INSTEAD OF RCV-2WAY, Pi1 160k PS A4 T ( 2 ,Pb7) ( 2 ,Pb4) ( 2 ,PaR) ( 2 ,PbR) P 28 3 BW ( 2 ,Pa7) BUCKET 2 4 IN T PTO2 3 4 FW ( 2 ,Pa6) T P 1 ( 38 ,A3) P T BW [ROTATING CCW] BUCKET BOOM FW 39 34 ARM P T CCW CW 6-2 BOOM T [CLAMP] A1 26 P [RELEASE] 1 2 RH-R (ROTATING) 22 2 ( 38 ,A4) [ROTATING CW] OR 2-EPPR VALVE, 26 ] ( 2 ,B5) Pi1 ( 31 ,T) ( 2 ,A9) ( 2 ,Pb8) LEGEND 2-way proportional (optional) Dipper cylinder (with holding valve) (optional) BUCKET CYLINDER Boom cylinder (with holding valve) (optional) A B P T 27 [RH, CLAMP] A [LH, RELEASE] Travel alarm (optional) ( 30 ,C1) B 27 P Quick coupler (HQ01 2–way option or HQ02 1–way option) Accumulator ( 8 ,F) T ( 30 ,C1) 2-way proportional and rotating proportional remote control valve (optional) 5-2. 6-2. 26. 32. 33. 40. 27. 41. 28. 36. 37. 2-2. 5-3. 6-2. 38. 39. Remote control valve (left-hand) Remote control valve (proportional, right-hand) 2-EPPR (Electronic Proportional Pressure Reducing) valve Dipper cylinder holding valve Boom cylinder holding valve Pressure switch Solenoid valve Pressure switch (only for HQ01 2–way option) Accumulator Pressure switch Shuttle valve Main control valve Remote control valve (proportional, left-hand) Remote control valve (proportional, right-hand) 4-EPPR (Electronic Proportional Pressure Reducing) valve Nipple (quantity 4) SWITCH: 190 bar 1 A1 A2 A3 A4 41 PS MAIN CONTROL VALVE B10 (STD) B11 (AUX 2) S1 E26C - E30C EXCAVATOR HYDRAULIC SCHEMATIC 51658151EN - 2/2