EC210B-09

 HYDRAULI RAULICC SYSTE TEM M GE GENE NERA RALL 09 HYD

MAIN

Hydraulic System  System 

EC210B-09-01

Full Hydraulic Circuit(1/2)  Circuit(1/2) 

EC210B-09-02

Full Hydraulic Circuit(2/2)  Circuit(2/2) 

EC210B-09-03

Brief Hydraulic Circuit(1/2)  Circuit(1/2) 

EC210B-09-04

Brief Hydraulic Circuit(2/2)  Circuit(2/2) 

EC210B-09-05

CLICK THE VOLVO-LOGO IN THE LOWER RIGHT CORNER

Hydraulic System

Swivel joint

Swing motor

Swing Travel motor

Boom

Option

Bucket

Arm

Travel

Travel

Travel motor

P1 P2

P3

Gear pump

Engine Main pump

Full Hydraulic Circuit(1/2)  4 Left

4 Right

 

B(back) A(for)

 

C E G B F D

(53-P) pw 48 P2

P2

Pi

Pi 3Pi (2-ar1)

    k    5    5    3

T (51-T) (31-T6) (12-A2) P

BR1

(2-ar1)

SH(58-2) (51-P) PG

 3 40 Pi(43-A)

Dr(21-Td1)

(17-G) (27-in)

(21-Td8) Pb

PL

dr5

330 +5/0 k at 200 lpm 350 +5/0 k at 200 lpm

62

(9-S2)

R (return pipe t4)

A

BL1

69

BR2

    l     l    e     h    s    m    a     l     C

71

67 68

PR

PL 19 3k

20 4.5k

Oil leak

30

 

Fl(1-Pi1)

(16-Bu2)

t3(47-out) Pi1 (53-R)t4

T (40-Dr) (11-T) Td1 (31-T1)Td2 (49-T1) Td3 (49-T2) Td6 Td7 Td8 (48-T)Td4 Td5 (2-dr5) (2-dr4) (43-T) (2-dr1)  (46-T) (2-dr3)

(2-Pg2) Engine 145 PS/1900 rpm

 9 G A3

25

37 Out (55-P)

40k B3

Dr(27-in)

A1

10

a3

PS  8

S1

PS1 P1 29 S3 (45-P) S2(3-PG)

P3(2-Y)

(33-Pi)

3

2

2

B A B

A

T(Return pipe t1)

(40-Pi) 44

43

13 Left

T2

42 T(21-Td5)

ST9

ST7

(2-bl1)SR1

3

(2-al1)SL1

T1(21-Td2) (43'-T) (41-T) T2 (42-T) (3-PG) (14-T) T3 51 (52-T) P T4 (15-T) Pi T5(13-T)

A2(2-Py)A3(17-B)

P2 29

1 (2-al3)AI1 (2-bl3)AO1

(2-Pa)

(2-ar2)BI1

AI2

45

(33-P)

  (2-a) (2-b) X1 2P(43-A) (59-6)A1 A2 A3

12

SW SL

14 Right

BI BO

Hammer

 

(31-P6) (36-PS)

29

(2-Pd)4 5   3(46-Pi) 60 2 1 41 A B

b

a 29 (31-P2)P T(31-T2)

Shear

46

ST9

ST7

B

BD

T A

BU

1

BU2

3 2 (31-T3)T

4

In

29

Tilting 75

(2-Px1) 74

2 (2-bl4) P3 29

59

(9-S3) (1-Pi1)

15

P2

4

2 1 (2-al2) (2-bl2)

A

P

AM SR

(2-ar1)BD1 (2-br1)BU1 16

T (11-T)

AO

(2-br2)BO1

(53-C)

29 P(31-P5)

(31-T5)T

AI

6 (12-A1)

4

3 2

P(31-P3)

(31-T6) T P1 29

1 T(31-T3) P 2 29

P 29 3 5

1  

A

(31-T2) (31-P2)

(12-A3)

4

58

11 (45-T) AC (21-Td1) T

 

(2-a)

(21-Td3)(21-Td3)

34

Pi2 (2-Fr)

21 (45-A) ADD X1

22 23 24

P1

36 PS(12-P1)

(2-4Pi)

P2 (14-P)P3 (52-P) (15-P) P4 (13-P)P5 31 P6 T6 (33-T) T(33-T) A (12-P1)(12-T)

t2(55-T)(2-Fl)

26

(43'-P) (41-P)

Dr

Quickfit

P2

T1

1 (2-Ps)

34

28

(53-pi)

Psv

t1(36-T)

(3-Dr)

27 Out

Px1

29

180k

X1 (Hammer & shear)

355k

34

18

(1-Dr)

In

 1

Pi (2-Po)

Pg1

a

 6

(3-SH) dr1 (21-Td5)

A

57

dr2(2-dr4)

 2 Px2

B

(37-out)P

BL3

b(12-A2)

Fr(1-Pi2)

55

G

Pi 49

(58-4) 4Pi

BL4(17-C) AL4(17-E)

67

 

T P 29

al4(15-1) bl4(15-2)

(17-D)BR3 (17-F)AR3

2

(42-2)

43

AL3

(15-4)br3

T P (31-T4) (31-P4)

(59-4)

(15-3)ar3

R

1

Thumb bucket pilot

P1

68

56 b

150k

C(51-Pi)

* See the note.

Pd(60-4) pa(28-3) (16-AI1) al3 bl3(16-AO1) 73

66

(12-A3)a or (43-A)X1 2P

P(2-PR2)

BL2 AL2

150 +5/0 k at 200 lpm 365 +5/0 k at 28 lpm 70

AR2 35

a

B

AL1 PR1(40-C) al2(59-2) bl2(59-1)

39

(16-BI1)ar2 (16-BO1)br2

 7

b pi(2-Pg1)

(21-Td4)

365 +5/0 k at 28 lpm

52

270k

64

38

365 +5/0 k at 28 lpm

53

Return pipe t2)T

(16-SL1) al1 bl1(16-SR1)

(3-Mu)Rs1 (16-BD1) (2-3Pi) ar1 (48-Pi) (16-BU1)br1 AR1

X3 (Rotator)

54

Dr

Mu(2-Rs1)

65

63

2 Piece boom

Py(11-A2)

T P1

P1 T

32

B  C(2-PR1)

PR2 (2-Pi)(2-Px1) A PR Po Ps (2-Py) (21-Td7) (9-PS1) Pg2 dr4(2-dr2) dr3 61 (36-P3)Y (21-Td6)

50 P3

P3

33

(58-3)Pi

B(for)

(2-BL4) (2-BR3) (2-AL4) (2-AR3) (3-Dr) 17 (11-A3)

 5

A

A(back)

3 1 (2-ar3) T (2-al4) (2-br3) (31-T4) 29 P (31-P4)

 

Pi(60-3)

(2-BL2) (2-AL2)

T (21-Td6)

47 Out

(Return pipe t3)

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

Brief Hydraulic Circuit(1/2) (21-Td8) (21-Td7) 5

(9-PS1) Pg2 (2-ar1)

(21-Td6)

dr4 Y

dr3

(2-Ps)

(2-Py) Pb

(2-Pi) Po Ps

(2-dr2)

 3Pi

 

(2-Px1)

PL

dr5

Py

 A

(58-3) Pi

(11-A2)

P

2

T

33 62

61

(31-T6)

64

PR

(12-A2)

72 BR1

al1

65

63

bl1 BL1 (16-BD1)

(3-Mu)  Rs1

 AL1

ar1

al2

br1

BL2

(2-3Pi) (16-BU1)

69 (16-BI1) 7

 AL2

70 pa

ar2 br2

al3

BR2

66

bl3

 AR2

(28-3) (16-AI1) (16-AO1)

4Pi

(15-4)

ar3 BR3

(12-A3)

dr2 (2-dr4)

 AL3 al4 (15-1)

br3  AR3

bl4

67

6

 AL4 b

68 Fr  (1-Pi2)

(15-2)

BL4

67

a

R

(58-4)

BL3

71 (15-3)

B

 A

bl2  AR1

(16-BO1)

(16-SL1) (16-SR1)

(12-A2)

68 Px2

Pg1 dr1 Pi Px1 (21-Td5) (2-Po) (9-S1)  

Fl (1-Pi1) (2-Ps)

(16-BU2)

28

(2-Pa)

2 1

3

(16-SW)

Brief Hydraulic Circuit(2/2) 31 P1

(14-P) (15-P)

(33-Pi)

3

28

T2

P3

T3

P4

T4

2

(Px1)

(14-T)

(2-Pa)

P5

T5

P6

2

58

3

1

(2-al3)

(15-T) (13-T)

 A1

 A2

 A3

12

(31-T6) T P1

P3

P2

 AI2

 AI

 AM  AO

SR1

SR

SW (2-al1) SL1

SL

(2-ar2) BI1

BI

(2-br2) BO1

BO

14

(2-ar1) BD1

BD

2

(2-br1) BU1

BU

16

34

AI1

(2-bl3) AO1 (2-bl1) (2-b) (2-a)

T6 (12-T)

1

(3-SH)

(33-P) (13-P)

1

2

T1

P2

LH

13 (2-4pi) 4

4 3 P

T (31-T5)

(31-P5) RH

1

BU2 (2-Px1)

(2-Py)

10  A1

 A2

3

(17-B)  A3

4 T (31-T3)

11

(2-Pg2)

P(31-P3)

9 G (A3)

PS S1

(2-Pg1)

P

 AC

(21-Td1)

PS1 S3 S2 (3-PG)

T P1

15 P2

(45-P)

2 T 1 (2-bl4) (31-T4)

4 (2-br3)

(2-al4)

3 (2-ar3) (31-P4) P