1-ec210b.pdf

 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

 5

48

50 P3

P3

PR

(21-Td7)

P2

(9-PS1) Pg2

 2

P2

Pi

Pi 3Pi (2-ar1)

    k    5    5    3

(2-dr2) dr4 (36-P3)Y

(53-P) PR2

T

P

 3

Dr(21-Td1)

(2-Px1) A (2-Pi)  Po Ps (2-Py)

dr3 (21-Td6)

(21-Td8) Pb

(2-Ps)

PL

dr5

Mu(2-Rs1)

Pi

63

69

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

T(31-T) (48-Pi) P (16-BD1)

66

AR2

A

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

(2-a)

T1

67

Px2

19 3k

30

 1

3

2

29

Px1

 

Fl(1-Pi1)

(53-pi) (2-Ps) (16-Bu2)

(43'-P) (41-P)

a2

T (40-T) (11-T) Td1 (31-T1)Td2 (49-T1) Td3 (49-T2) Td6 Td7 Td8 (48-T)Td4 Td5 25 (2-dr5) (43-T) (62-Dr) (2-dr1) (2-dr4) (33'-T) (2-dr3) (46-dr)

21 (45-A) ADD X1 22 23 24

3 T1(21-Td2) 31 (43'-T) (41-T) T2 (42-T) T3 (14-T) (52-T) T4 (15-T)

(2-Pg2)

Engine

P2

P1

 9 G

P3 A3

P4 37 Out (55-P)

40k B3

Dr(27-in)

A1

10

a3

PS  8

PS1 P1 29 S3 (45-P) S1 S2(3-PG) (33'-P)

P

29

51 Pi

(63-P), (2-ar1)BD1 (2-br1)BU1 (53-C) 16

T(21-Td5)

(33-P)

  (2-a) (2-b) X1 2P(43-A) (59-6)A1 A2 A3 12 (31-T6) T P1 29 (31-P6) (36-PS)

AM SW

29 P(31-P5)

3 6 (12-A1)

T

AO SR

5

4

2

1

(2-al2)

(2-bl2)

P

4  5 3

A

A B a

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

ST9

BD BU

Hammer 1

BU2

 

Shear

46

4

3 2 (31-T3)T

B

T

29

A

(2-Px1)

In Tilting 75 74 2 (2-bl4)

P3 29

29

P T (9-S3)   (21-Td8)

2

1

14 Right ST7

15

P2

(2-Pd) 33' A

(46-Pi) Pi

60

59

(9-S3) (1-Pi1)

BO

P 2 29

T(31-T3)

41

(11-T)

SL BI

42 1

P 29

4

3 2 (31-T5)T

AI

P(31-P2)

A

P(31-P3)

T(33-T)  A

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

P2

(2-al3)AI1

(2-br2)BO1

(3-PG)

T5(13-T)

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

 

(2-al1)SL1 (2-ar2)BI1

34

Pi2 (2-Fr)

1 AI2

(2-bl3)AO1 (2-bl1)SR1

(2-Pa)

T6 (33-T) P6 (12-P1)(12-T)

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

P1

P2 (14-P)P3 (52-P) (15-P) P4 (13-P)P5

t2(55-T)(2-Fl)

26

27

2

1

t1(36-T)

(3-Dr)

28

Left

45 1

29

T(31-T2)

ST9

ST7

4

58 (33-Pi)

18

(1-Dr)

Out

Pg1

Psv a4

a1

In

Pi (2-Po)

P2

P1 20 4.5k

dr1 (21-Td5)

T2

(21-Td3) (21-Td3)

68

Thumb bucket pilot

44

43 13

(2-4Pi)

b(12-A2)

43'

(40-Pi)

A

365k

(3-SH)

Oil leak

P2

dr2(2-dr4)

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

67

Fr(1-Pi2)

T(Return pipe t1)

B

(12-A3)

 6

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

 

12MPa

X1 (Hammer & shear)

Pi 49

(58-4) 4Pi

AL3

(15-4)br3

R

A B

A

BL3

68

P3(2-Y)

B

P1

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

 

PS(12-P1)

39-1

(15-3)ar3

t5(62-t)

Quickfit

S A (14-2) B (13-2) C (14-4) D (13-4)

(16-BD) 1 (16-AO) 2 (16-BU) 3 (16-A1) 4

B

71

80

Dr

36

Pd(33'-A) pa(28-3) (16-AI1) al3 bl3(16-AO1)

 7    e     l    p    p    a    r     G

180k

G

BL2 AL2

70

BR2

79

a

C(51-Pi)

76

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

39

A

57

Pattern changer

BL1

78 (2-ar1) B A

P(2-PR2)

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

65

(3-Mu)Rs1 (16-BD1) or (63-B) (2-3Pi) ar1 (48-Pi) (16-BU1)br1 AR1

Dr (21-Td7) B B(t5)

a

B

(37-out)P

2

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

270k

64

38

A

1

pi(2-Pg1) R (return pipe t4)

(21-Td4) 77

Dr

72

BR1

(2-ar1) or (63-P)

b

55

56 b

150k

Return pipe t2)T

Py

62

61

52

(9-S2)

(17-G) (27-in)

(11-A2)

53

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

B   C(2-PR1)

40 Pi(43-A)

X3 (Rotator)

54

32

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

T P1

P1 T

2 Piece boom

33

(58-3)Pi

B(for)

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

pw

A

A(back)

 

Pi(60-3)

(2-BL2) (2-AL2)

dr (21-Td6)

47 Out

(Return pipe t3)

3 1 4 (2-ar3) T (2-al4)  (2-br3) (31-T4) 29 P (31-P4) S01073B

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 solenoid valve Remote control valve - left Remote control valve - right Remote control valve - travel Shuttle valve block Turning joint Hydraulic oil cooler Check valve(3k) Check valve(4.5k) Hydraulic oil tank Return filter element Bypass valve Bypass strainer Strainer

26 27 28 29 30 31 32 33 34 36 37 38 39 40 41 42 43 43' 44 45 46 47 48 49 50

Air breather Drain filter Valve block Filter connector Filter connector Valve block Swing ring gear Pilot selector valve Pressure switch Quickfit valve Rotator pump Cap(orifice) Cap(check valve) Option conflux selector valve Solenoid valve Remote control pedal for X1 Solenoid valve Sol. Thumb bucket Hammer pressure switch Flow control valve 3 way selector valve for X1 Return filter Boom line rupture valve Arm line rupture valve Overload pressure switch

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 spool Boom holding valve Arm holding valve Stop valve Tilting line

76 77 78 79 80

Pattern changer Boom floating v/v Boom floating sol. 3-way v/v(grapple) 3-way v/v(grapple)

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