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CLICK THE VOLVO-LOGO IN

CLICK THE VOLVO-LOGO IN

THE LOWER RIGHT CORNER

THE LOWER RIGHT CORNER

MAIN

MAIN

Hydraulic System

Hydraulic System

 

 

EC210B-09-01

EC210B-09-01

Full Hydraulic Circuit(1/2)

Full Hydraulic Circuit(1/2)

 

 

EC210B-09-02

EC210B-09-02

Full Hydraulic Circuit(2/2)

Full Hydraulic Circuit(2/2)

 

 

EC210B-09-03

EC210B-09-03

Brief Hydraulic Circuit(1/2)

Brief Hydraulic Circuit(1/2)

 

 

EC210B-09-04

EC210B-09-04

Brief Hydraulic Circuit(2/2)

Brief Hydraulic Circuit(2/2)

 

 

EC210B-09-05

EC210B-09-05

09

(2)

Hydraulic System

P1 P2

P3

Boom

Bucket

Travel

Option

Swing

Arm

Travel

Swing motor

Swivel joint

Travel motor

Gear pump

Main pump

Engine

Travel motor

(3)

Full Hydraulic Circuit(1/2)

43 Left   Right B(back) A(back) A(for)   B(for) (2-BL4) (2-AL4) (3-Dr) (11-A3) (2-AR3) (2-BR3) C E G B F D pw P3 P2 P2 Pi Pi P1 P1 BR1 3Pi (2-ar1) (2-ar1)    3    5    5     k P3 T T (21-Td4) (3-Mu)Rs1 (16-BD1) ar1 (2-3Pi) (48-Pi) (16-BU1)br1 (16-BI1)ar2 (16-BO1)br2 AR1 BR2 AR2 (15-3)ar3 (15-4)br3 (17-D)BR3 (17-F)AR3 (12-A3)a or (43-A)X1 2P     C     l   a   m   s     h   e     l     l (1-Dr) (3-Dr) In Out Td1 (2-Fl) Pi1 (45-A) ADD X1 (53-R)t4 t1(36-T) t2(55-T) t3(47-out) Td3 Td6 (2-dr5) T (40-Dr) Td8 Td7 Td5 (11-T) (49-T1)(31-T1)Td2 (49-T2) (43-T) (2-dr1)  (46-T) (2-dr3) (2-dr4) (48-T)Td4 Oil leak 4.5k 3k (2-Pg2) (21-Td1) AC A2(2-Py)A3(17-B) A1 PS S1 S3 P1 (45-P) PS1 (45-T) G S2(3-PG) T A3 a3 Pi2 (2-Fr) Dr(27-in) 40k Engine 145 PS/1900 rpm Out (55-P) B3 (31-T6) T P1 (31-P6) (36-PS) P2 P3 A3 A2 (33-P)   (2-a) X1 2P(43-A) (2-b) (59-6)A1 P2 (2-ar3) P (31-P4) (2-al4) (2-br3) T (31-T4) (2-bl4) 2 1 3 (3-SH)   (2-al3)AI1 (2-bl3)AO1 (2-bl1)SR1 (2-al1)SL1 (2-ar2)BI1 (2-br2)BO1 (2-ar1)BD1 (2-br1)BU1 AO SR AM SL BI BO BD BU BU2 (2-Px1) 4 1 2 3 (33-Pi) AI2 AI SW (41-T) (43'-T) (14-T) (52-T) (15-T) (42-T) T6 P6 (12-P1)(12-T)(33-T) 3 (2-Pa) 2 1 T1(21-Td2) P1 (41-P) (43'-P) P2 P4 (14-P)P3 (13-P)P5 (52-P) (15-P) T(33-T) A T2 T4 T3 P (53-C) (3-PG) T5(13-T) Pi P2 P1 (21-Td3) (21-Td3) (2-4Pi) dr2(2-dr4) BL3 Pi 355k (58-4) 4Pi T1 T2 Pd(60-4) pa(28-3) (16-AI1) al3 bl3(16-AO1) AL3 al4(15-1) bl4(15-2) BL4(17-C) AL4(17-E) b(12-A2) bl1(16-SR1) BL1 AL1 PR1(40-C) al2(59-2) bl2(59-1) BL2 AL2 Mu(2-Rs1) B 270k A (16-SL1) al1

* See the note. SH(58-2) PG (9-S2) (51-P) (17-G) (27-in) Dr Py(11-A2) (12-A2) (31-T6) (51-T) T P A (58-3)Pi (31-P4) (59-4) (42-2) (31-T2) (31-P2) P T (31-T4) b C(51-Pi) P(2-PR2) a R (return pipe t4) pi(2-Pg1) 1 T P 2

2 Piece boom

X3 (Rotator)

Quickfit

X1 (Hammer & shear)

150k 180k Return pipe t2)T (37-out)P G Dr B A PS(12-P1)   P3(2-Y) T(Return pipe t1) A B A B (12-A3) (2-a) (40-Pi) T(21-Td5) P 3 5 4 6 2 1 (2-bl2) (2-al2) (12-A1) A T (11-T) (9-S3) (1-Pi1) A P 2 P T(31-T3) 1 (2-Pd)4 5   3(46-Pi) 2 1 A B b a T(31-T2) (31-P2)P Hammer   Shear Tilting   Pi(60-3) (2-BL2) (2-AL2) T (21-Td6) In Out (Return pipe t3) A T B Right ST9 ST7 1 3 2 4 (31-T3)T P(31-P3) Left ST9 ST7 1 3 2 4 (31-T5)T P(31-P5) Px2 dr1 (21-Td5) Pi(2-Po) Pg1 Px1   Fl(1-Pi1) (53-pi) (2-Ps) (16-Bu2)

P

L

P

R Psv R   Fr(1-Pi2) 365 +5/0 k at 28 lpm (21-Td7) (53-P)

P

R2 (2-Pi) Po Pi(43-A) B  C(2-PR1) A Dr(21-Td1) (2-Px1) (2-Py) Ps dr3 (21-Td6) (2-dr2)

P

R (9-PS1) Pg2 (36-P3)Y Pb dr5 (21-Td8)

P

L 330 +5/0 k at 200 lpm 350 +5/0 k at 200 lpm 150 +5/0 k at 200 lpm 365 +5/0 k at 28 lpm 365 +5/0 k at 28 lpm 13  6 49 51 73 28 58 34 34 31 29 34 11 12 29 29 29 29 10  9  8 22 23 24 25 37 21 19 20 18 26 27 30  1  2 35  7 48 50  5 17 61 62 63 40 38 66 67 67 68 68 65 39 69 70 71  4 4 33  3 64 32 54 53 29 52 57 56 55 36 46 29 60 41 59 29 42 44 29 45 74 75 43 29 14 29 29 15 16 47 29 a b dr4

(4)

Full Hydraulic Circuit(2/2)

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

Main pump

Main control valve

Swing motor & gear box

Travel motor & gear box

Boom cylinder

Arm cylinder

Bucket cylinder

Servo hydraulic filter

Accumulator block

Accumulator

Solenoid valve(1)

Solenoid valve(2)

Remote control valve - left

Remote control valve - right

Remote control valve - travel

Shuttle valve block

Turning joint(Center passage)

Hydraulic oil cooler

Check valve(3k)

Check valve(4.5k)

Hydraulic oil tank

Return filter element

Bypass valve

Bypass strainer

Suction strainer

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

50

Air breather

Drain filter

Valve block

Filter connector

Filter connector

Pilot block

Swing ring gear

Pilot selector valve

Pressure switch

3 way selector valve for grapple

Quickfit valve

Rotator pump

Cap(orifice)

Cap(check valve)

Option conflux selector valve

Solenoid valve(Hammer & Shear sel.)

Remote control valve(pedal) for X1

Solenoid valve

Hammer pressure switch

Flow control valve

3 way selector valve for X1

Return filter(Hammer)

Boom line rupture valve

Arm line rupture valve

Pressure switch(overload)

51

52

53

54

55

56

57

58

59

60

61

62

63

64

65

66

67

68

69

70

71

72

73

74

75

Adj. boom selector valve

Adj. boom RCV

Adj. boom valve

2nd boom cylinder

Rotator valve

Rotator solenoid valve

Check valve for rotator

Block

Shuttle valve block(A) for X1

Shuttle valve block(B) for X1

Arm conflux valve

Logic valve

Boom holding valve

Main relief valve

Orifice

Straight travel valve

Center bypass valve

Flow sensing valve

Port relief valve

Arm regenerating valve

Arm regenerating check valve

Check valve

Arm holding valve

Hammer & Shear

Tilting

(5)

Brief Hydraulic Circuit(1/2)

BR1

(2-ar1)

 3Pi

(3-Mu) Rs1

(16-BD1)

ar1

(2-3Pi)

(16-BU1)

br1

(16-BI1)

ar2

(16-BO1)

br2

 AR1

BR2

 AR2

(15-3)

ar3

(15-4)

br3

BR3

 AR3

(12-A3)

3

(2-Pa)

(16-SW)

2

1

(2-dr4)

dr2

BL3

(58-4)

4Pi

(28-3)

pa

(16-AI1)

al3

(16-AO1)

bl3

 AL3

(15-1)

al4

(15-2)

bl4

BL4

 AL4

(12-A2)

b

(16-SR1)

bl1

BL1

 AL1

al2

bl2

BL2

 AL2

B

 A

(16-SL1)

al1

Py

(2-Ps)

(11-A2)

(12-A2)

(31-T6)

T

P

 A

(58-3) Pi

Px2

(21-Td5)

dr1

(2-Po)

Pi

Pg1

Px1

(1-Pi1)

Fl

(9-S1)

 

(2-Ps)

(16-BU2)

R

(1-Pi2)

Fr 

(21-Td7)

(2-Pi)

Po

(2-Px1)

 

(2-Py)

Ps

(21-Td6)

dr3

(2-dr2)

PR

(9-PS1)

Pg2

Y

Pb

dr5

(21-Td8)

PL

dr4

a

63

5

2

72

7

67

68

66

61

62

65

64

69

70

71

67

68

33

6

28

(6)

Brief Hydraulic Circuit(2/2)

(2-Pg2)

(2-Pg1)

(21-Td1)

 AC

(2-Py)

 A2

(17-B)

 A3

 A1

PS

S1

S3

P1

(45-P)

PS1

G

S2

(3-PG)

T

(A3)

(31-T6) T

P1

P2

P3

 A3

 A2

(33-P)

(2-a)

(2-b)

 A1

P2

(2-ar3)

(31-P4)

(2-al4)

(2-br3)

T

P

(31-T4)

(2-bl4)

2

1

4

3

(3-SH)

(2-al3)

AI1

(2-bl3) AO1

(2-bl1)

SR1

(2-al1) SL1

(2-ar2) BI1

(2-br2) BO1

(2-ar1) BD1

(2-br1) BU1

 AO

SR

 AM

SL

BI

BO

BD

BU

BU2

(2-Px1)

4

1

2

3

(33-Pi)

 AI2

 AI

SW

(14-T)

(15-T)

T6

P6

(12-T)

3

(2-Pa)

2

1

T1

P1

P2

P4

(14-P)

(15-P)

P3

(13-P)

P5

(Px1)

T2

T4

T3

(13-T)

T5

(2-4pi)

RH

1

3

2

4

(31-T3)

T

P(31-P3)

P

LH

1

3

2

4

(31-T5)

T

(31-P5)

P

13

28

58

11

12

10

9

14

15

16

31

34

References

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