Ec210b-09
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09 HYDRAULIC SYSTEM GENERAL Hydraulic System Full Hydraulic Circuit(1/2) Full Hydraulic Circuit(2/2) Brief Hydraulic Circuit(1/2) Brief Hydraulic Circuit(2/2)
MAIN MENU
EC210B-09-01 EC210B-09-02 EC210B-09-03 EC210B-09-04 EC210B-09-05
CLICK THE VOLVO-LOGO IN THE LOWER RIGHT CORNER TO RETURN TO THIS MENU
Hydraulic System
Swivel joint Swing motor
Swing Travel motor
Boom
Option
Bucket
Arm
Travel
Travel
Travel motor
P1 P2
Gear pump
Engine Main pump
Volvo Construction Equipment Korea Ltd.
EC210B-09-01
P3
Full Hydraulic Circuit(1/2) 4 Left
4 Right
A(for)
C
E G
B F
D
48 P2
(53-P)
5 50 P3
P3
P2 Pi 3Pi (2-ar1)
355 k
Pi
T (51-T) (31-T6) (12-A2) P
40 Pi(43-A)
P1 T
BR1
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
64
R (return pipe t4)
A
69
Clamshell
BR2
150 +5/0 k at 200 lpm 365 +5/0 k at 28 lpm 70
71
(17-D)BR3 (17-F)AR3 67
34
2 R
PR
PL 19 3k
20 4.5k
Oil leak
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)
10
a3 Engine 145 PS/1900 rpm
9 G A3
25
3
37 Out (55-P)
Volvo Construction Equipment Korea Ltd.
40k B3
Dr(27-in)
PS 8
P1
S1
(2-Pg2)
A1
(45-T) AC (21-Td1) T PS1 P1 29 S3 (45-P) S2(3-PG)
2
(2-Pa)
44 42 T(21-Td5)
ST9
ST7
(40-Pi)
43
13 Left
3
A2(2-Py) A3(17-B) 11 P2 29
1 1 (2-al3)AI1
(2-al1)SL1
T1(21-Td2) (43'-T) (41-T) T2 (42-T) (3-PG) T3 (14-T) 51 (52-T) P T4 (15-T) Pi T5(13-T)
(2-ar2)BI1
AI2
45
14 Right
BI
Hammer
(33-P)
(2-a) (2-b) X1 2P(43-A) (59-6)A1 A2 A3
12
Shear
(31-P6) (36-PS)
EC210B-09-02
29
46 T
BD
A
BU
1
BU2
4
3 2 (31-T3)T
In
29
Tilting 75
(2-Px1) 74
2 (2-bl4) P3 29
a 29 (31-P2)P T(31-T2)
B
15
P2
P 29
(2-Pd)4 5 3(46-Pi) 60 2 1 41 A B
ST9
ST7
BO
59
T(31-T3)
2
b
(9-S3) (1-Pi1) SW SL
4
1 2 (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
P 29 3 5
(2-bl1)SR1
34
Pi2 (2-Fr)
21 (45-A) ADD X1
22 23 24
(43'-P) (41-P)
A
355k T2
(2-bl3)AO1
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
2
1 (2-Ps)
34
28
(53-pi)
Psv
t1(36-T)
(3-Dr)
27 Out
30
29
18
(1-Dr)
In
1
Pi (2-Po)
Px1
T(Return pipe t1)
(12-A3) (2-a)
4
(3-SH) Pg1
A B
(2-4Pi) 58 (33-Pi)
A B
P2
(21-Td3) (21-Td3)
b(12-A2)
dr1 (21-Td5)
P3(2-Y)
dr2(2-dr4)
68
Px2
36
X1 (Hammer & shear)
BL3
T1
180k Dr
PS(12-P1)
6
BL4(17-C) AL4(17-E)
67
a
(31-T2) (31-P2)
Pi 49
al4(15-1) bl4(15-2)
Fr(1-Pi2)
T P 29
AL3
(15-4)br3
A
57
Quickfit (42-2)
(58-4) 4Pi
B
(37-out)P
G
(59-4) 43
(15-3)ar3
T P 2 (31-T4) (31-P4)
Thumb bucket pilot
P1
68
1
55
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
AR2 35
a
B
AL1 PR1(40-C) al2(59-2) bl2(59-1)
(16-BI1)ar2 (16-BO1)br2
7
b pi(2-Pg1)
39
365 +5/0 k at 28 lpm
52
270k
BL1
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
(9-S2)
Dr
Mu(2-Rs1)
65
63
2 Piece boom
Py(11-A2)
38 (21-Td4)
SH(58-2) (51-P) PG
B C(2-PR1)
T P1
(2-ar1)
32
3
PR2 (2-Pi)(2-Px1) A PR Ps (2-Py) Po (21-Td7) (2-dr2) dr3 dr4 61 (36-P3)Y (21-Td6)
(9-PS1) Pg2
33
(58-3)Pi
B(for)
(2-BR3) (2-BL4) (2-AL4) (2-AR3) (3-Dr) 17 (11-A3)
pw
A
A(back)
B(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
Volvo Construction Equipment Korea Ltd.
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)
EC210B-09-03
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)
(9-PS1) Pg2 dr4 (2-ar1)
(21-Td6) Y
3Pi
dr3
PL
dr5
Pb
(2-Pi) Po Ps
(2-dr2)
5
(2-Py)
(2-Px1)
(21-Td7)
(2-Ps) 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) (2-3Pi)
(3-Mu) Rs1
AL1
ar1
al2
(16-BU1)
7
(16-SL1) (16-SR1)
bl2 br1 AR1
BL2 70
(16-BI1) ar2 (16-BO1) br2
69
AL2 pa
BR2
(28-3) al3 (16-AI1)
66
bl3
AR2
4Pi
(16-AO1)
(15-4)
ar3
(12-A3)
br3 BR3
bl4
67 a
Fr (1-Pi2)
6
AL4 b
R
(15-2)
BL4
67
68
(12-A2)
68 Px2
Pg1 dr1 Pi Px1 (21-Td5) (2-Po) (9-S1)
(2-Ps) (16-BU2)
Volvo Construction Equipment Korea Ltd.
dr2 (2-dr4)
AL3 al4 (15-1)
AR3
(58-4)
BL3
71 (15-3)
B
A
EC210B-09-04
Fl (1-Pi1)
28
(2-Pa)
2 1
3
(16-SW)
Brief Hydraulic Circuit(2/2) 31 P1
(15-P) (13-P)
28
T2
P3
T3
P4
T4
P5
T5
P6
2
(Px1)
(14-T)
(2-Pa)
1
2
58
AI1 AM (2-bl3) AO1 SR1 (2-bl1) SW (2-al1) SL1 (2-al3)
(15-T) (33-P)
(13-T)
(2-b) (2-a)
T6 (12-T)
A1
A2
A3
12
(31-T6) T P1
P3
P2
1
(3-SH)
3
1
LH
13
2
T1
P2 (14-P)
(33-Pi)
3
(2-4pi) 4
AI AO
4 3
SR
P
T (31-T5)
SL
(31-P5)
(2-ar2) BI1
BI
(2-br2) BO1
BO
14
(2-ar1) BD1
BD
2
(2-br1) BU1
BU
16
34
AI2
RH
1
BU2 (2-Px1)
10 A1
(2-Py)
(17-B)
A2
A3
3 4 T (31-T3)
11
(2-Pg2)
P(31-P3)
9 G (A3)
PS S1
AC
(21-Td1) T
PS1 S3 S2 (3-PG)
P1
15 P2
(45-P)
(2-Pg1)
2 T 1 (2-bl4) (31-T4)
4 (2-br3)
(2-al4) Volvo Construction Equipment Korea Ltd.
P
EC210B-09-05
3 (2-ar3) (31-P4) P
MAIN MENU
EC210B-09-01 EC210B-09-02 EC210B-09-03 EC210B-09-04 EC210B-09-05
CLICK THE VOLVO-LOGO IN THE LOWER RIGHT CORNER TO RETURN TO THIS MENU
Hydraulic System
Swivel joint Swing motor
Swing Travel motor
Boom
Option
Bucket
Arm
Travel
Travel
Travel motor
P1 P2
Gear pump
Engine Main pump
Volvo Construction Equipment Korea Ltd.
EC210B-09-01
P3
Full Hydraulic Circuit(1/2) 4 Left
4 Right
A(for)
C
E G
B F
D
48 P2
(53-P)
5 50 P3
P3
P2 Pi 3Pi (2-ar1)
355 k
Pi
T (51-T) (31-T6) (12-A2) P
40 Pi(43-A)
P1 T
BR1
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
64
R (return pipe t4)
A
69
Clamshell
BR2
150 +5/0 k at 200 lpm 365 +5/0 k at 28 lpm 70
71
(17-D)BR3 (17-F)AR3 67
34
2 R
PR
PL 19 3k
20 4.5k
Oil leak
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)
10
a3 Engine 145 PS/1900 rpm
9 G A3
25
3
37 Out (55-P)
Volvo Construction Equipment Korea Ltd.
40k B3
Dr(27-in)
PS 8
P1
S1
(2-Pg2)
A1
(45-T) AC (21-Td1) T PS1 P1 29 S3 (45-P) S2(3-PG)
2
(2-Pa)
44 42 T(21-Td5)
ST9
ST7
(40-Pi)
43
13 Left
3
A2(2-Py) A3(17-B) 11 P2 29
1 1 (2-al3)AI1
(2-al1)SL1
T1(21-Td2) (43'-T) (41-T) T2 (42-T) (3-PG) T3 (14-T) 51 (52-T) P T4 (15-T) Pi T5(13-T)
(2-ar2)BI1
AI2
45
14 Right
BI
Hammer
(33-P)
(2-a) (2-b) X1 2P(43-A) (59-6)A1 A2 A3
12
Shear
(31-P6) (36-PS)
EC210B-09-02
29
46 T
BD
A
BU
1
BU2
4
3 2 (31-T3)T
In
29
Tilting 75
(2-Px1) 74
2 (2-bl4) P3 29
a 29 (31-P2)P T(31-T2)
B
15
P2
P 29
(2-Pd)4 5 3(46-Pi) 60 2 1 41 A B
ST9
ST7
BO
59
T(31-T3)
2
b
(9-S3) (1-Pi1) SW SL
4
1 2 (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
P 29 3 5
(2-bl1)SR1
34
Pi2 (2-Fr)
21 (45-A) ADD X1
22 23 24
(43'-P) (41-P)
A
355k T2
(2-bl3)AO1
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
2
1 (2-Ps)
34
28
(53-pi)
Psv
t1(36-T)
(3-Dr)
27 Out
30
29
18
(1-Dr)
In
1
Pi (2-Po)
Px1
T(Return pipe t1)
(12-A3) (2-a)
4
(3-SH) Pg1
A B
(2-4Pi) 58 (33-Pi)
A B
P2
(21-Td3) (21-Td3)
b(12-A2)
dr1 (21-Td5)
P3(2-Y)
dr2(2-dr4)
68
Px2
36
X1 (Hammer & shear)
BL3
T1
180k Dr
PS(12-P1)
6
BL4(17-C) AL4(17-E)
67
a
(31-T2) (31-P2)
Pi 49
al4(15-1) bl4(15-2)
Fr(1-Pi2)
T P 29
AL3
(15-4)br3
A
57
Quickfit (42-2)
(58-4) 4Pi
B
(37-out)P
G
(59-4) 43
(15-3)ar3
T P 2 (31-T4) (31-P4)
Thumb bucket pilot
P1
68
1
55
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
AR2 35
a
B
AL1 PR1(40-C) al2(59-2) bl2(59-1)
(16-BI1)ar2 (16-BO1)br2
7
b pi(2-Pg1)
39
365 +5/0 k at 28 lpm
52
270k
BL1
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
(9-S2)
Dr
Mu(2-Rs1)
65
63
2 Piece boom
Py(11-A2)
38 (21-Td4)
SH(58-2) (51-P) PG
B C(2-PR1)
T P1
(2-ar1)
32
3
PR2 (2-Pi)(2-Px1) A PR Ps (2-Py) Po (21-Td7) (2-dr2) dr3 dr4 61 (36-P3)Y (21-Td6)
(9-PS1) Pg2
33
(58-3)Pi
B(for)
(2-BR3) (2-BL4) (2-AL4) (2-AR3) (3-Dr) 17 (11-A3)
pw
A
A(back)
B(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
Volvo Construction Equipment Korea Ltd.
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)
EC210B-09-03
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)
(9-PS1) Pg2 dr4 (2-ar1)
(21-Td6) Y
3Pi
dr3
PL
dr5
Pb
(2-Pi) Po Ps
(2-dr2)
5
(2-Py)
(2-Px1)
(21-Td7)
(2-Ps) 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) (2-3Pi)
(3-Mu) Rs1
AL1
ar1
al2
(16-BU1)
7
(16-SL1) (16-SR1)
bl2 br1 AR1
BL2 70
(16-BI1) ar2 (16-BO1) br2
69
AL2 pa
BR2
(28-3) al3 (16-AI1)
66
bl3
AR2
4Pi
(16-AO1)
(15-4)
ar3
(12-A3)
br3 BR3
bl4
67 a
Fr (1-Pi2)
6
AL4 b
R
(15-2)
BL4
67
68
(12-A2)
68 Px2
Pg1 dr1 Pi Px1 (21-Td5) (2-Po) (9-S1)
(2-Ps) (16-BU2)
Volvo Construction Equipment Korea Ltd.
dr2 (2-dr4)
AL3 al4 (15-1)
AR3
(58-4)
BL3
71 (15-3)
B
A
EC210B-09-04
Fl (1-Pi1)
28
(2-Pa)
2 1
3
(16-SW)
Brief Hydraulic Circuit(2/2) 31 P1
(15-P) (13-P)
28
T2
P3
T3
P4
T4
P5
T5
P6
2
(Px1)
(14-T)
(2-Pa)
1
2
58
AI1 AM (2-bl3) AO1 SR1 (2-bl1) SW (2-al1) SL1 (2-al3)
(15-T) (33-P)
(13-T)
(2-b) (2-a)
T6 (12-T)
A1
A2
A3
12
(31-T6) T P1
P3
P2
1
(3-SH)
3
1
LH
13
2
T1
P2 (14-P)
(33-Pi)
3
(2-4pi) 4
AI AO
4 3
SR
P
T (31-T5)
SL
(31-P5)
(2-ar2) BI1
BI
(2-br2) BO1
BO
14
(2-ar1) BD1
BD
2
(2-br1) BU1
BU
16
34
AI2
RH
1
BU2 (2-Px1)
10 A1
(2-Py)
(17-B)
A2
A3
3 4 T (31-T3)
11
(2-Pg2)
P(31-P3)
9 G (A3)
PS S1
AC
(21-Td1) T
PS1 S3 S2 (3-PG)
P1
15 P2
(45-P)
(2-Pg1)
2 T 1 (2-bl4) (31-T4)
4 (2-br3)
(2-al4) Volvo Construction Equipment Korea Ltd.
P
EC210B-09-05
3 (2-ar3) (31-P4) P
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