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R16-9(#0001~)
20U-093131LP-09010
HL730-9(#0001~)
M
SP
P1
M T
PS
B
A
T
P
LM
S
P1 P2
)(
B1A1 B2A2
a2
b2
Pst
()
B3A3
T
DU
MP
RO
LLB
AC
K
UP
DO
WN
FLO
AT
ING
BU
CK
ET
BO
OM
OP
TIO
N
) (
) (
S
LS
SX
P
a1 a3
b1 b3
B.D/F B.U CRAWD DUMP
1 3 4 2
PT
1.1 2.1
3 1
2 4
S1 S2
PS
L
R
T
P
LSP
SP
S
B
T X
A
B
LL1S
X
P1
T1
P2
T2
A1
A2T
A1
P1
PS
PS
B1 A1 B2 A2
A3
T1
TP
PS1
B
PS
PARKING
T/M
LH RH
FRONT
REAR
dump
rollback
down
up
RHLH
E/G E/G
Flow meter
Fan motor(option)
1 Main pump2 Fan & brake pump345 Steering unit789
10
Accumulator11
Bucket cylinder
1213
15161718 Air breather192021222324252627 Check block(option)
Safety valve
Cut off valve
Brake valve(option)
Return filterBy pass valveStrainerOil cooler
Motor pump(option)
14 Pressure sensor
28293031323334
Check valve(option)Ride control valve(option)Accumulator(option)Quick couple cylinder(option)
Check valve
Main control valve(option)RCV lever(option)
Boom cylinder
Steering cylinder
Accumulator
Pressure switchHydraulic tank
Pressure filterPressure sensor
Pressure sensor(option)
Solenoid valve(option)
33
32
25
22
2
231920
21
17
124
26
28
27 2918
14
14
12
13 13
1116
15
7
34
5
10
30
31
9 8
24
24
3
4
31LP-09020
HL730-9S(#0001~)
T1 P1 T2 P2
BL1 BR1 BL2 BR2
LS
P
T
R
L
P
LS
EFCF
b3
b2
BOOM DOWNBOOM UP
DUMP ROLL BACK
P
FLOATING
b1AUX.
3B
3A
a3
2B
2A
a2
1B
1A
a1
T
P
T
F2
F1
OUTINB.UB.D/F
T
P
652431
FRONT REAR
LH RH
PT
C
P1 T
U
P2
B
T X
A
M
AAA
P1
M1
M2
P2
x
PS
PS
A3
PS
B
PS1
P T
T1
A2B2A1B1
PS
PS
T/M
PARKING
222124
25 26
23
35
30
28
29
20
19
19
17 17
7
8
18
10 11 12
32
31
4
3
533
15
14
13
12
6
27
Return filter
1 Main pump2 Fan & brake pump345 Steering unit
78
10
Boom cylinder111213
151718 Pressure switch192021222324252627 Shockless valve
Cut off valve
Bucket cylinder
Safety valve
Pressure sensorLine filterOil coolerFan motor(option)
By pass valve
14 Line filter
28293031323335
Check valvePressure sensorRide control valve(option)Accumulator(option)
Pressure sensor
Main control valve(option)RCV lever(option)
Brake valveSteering cylinder
Pilot supply unit
Accumulator
Air breatherHydraulic tank
Motor pump assy
Pressure switch(option)
6 Priority valve
LH RH
17
R16-9(#0001~)
20U-0931
HL730-9A
(#0001~)
31LP-09030
Fan motor(option)
1 Main pump2 Fan & brake pump345 Steering unit789
10
Accumulator11
Bucket cylinder
1213
15161718
Air breather
192021222324252627 Check block(option)
Safety valve
Cut off valve
Return filterBy pass valveStrainerOil cooler
Motor pump(option)
14 Brake valve(option)
28293031323334
Check valve(option)Ride control valve(option)Accumulator(option)Quick couple cylinder(option)
Check valve
Main control valve(option)RCV lever(option)
Boom cylinder
Steering cylinder
Pressure sensor
Hydraulic tank
Pressure filterPressure sensor
Pressure sensor(option)
Solenoid valve(option)M
10cc/rev
S
P1
M T
PS
B
A
S
P1 P2
)(
B1A1 B2A2
a2
b2
Pst
()
B3A3
T
DU
MP
RO
LLB
AC
K
UP
DO
WN
BU
CK
ET
BO
OM
OP
TIO
N
) (
) (
S
LS
SX
P
a1 a3
b1 b3
B.D/F B.U CRAWD DUMP
1 3 4 2
PT
1.1 2.1
3 1
2 4
S1 S2
PS
L
R
T
P
LSP
S
PS
B
T X
A
B
LL1S
X
P1
T1
P2
T2
A1
A2T
A1
P1
PS
PS
B
A
D
A
B
P
T
M
T/M
B1 A1 B2 A2
A3
T1
TP
PS1
B
PS
LH RH
FRONT
REAR
dump
rollback
down
up
RHLH
E/G E/G
Flow meter
9 8
23
2330
31
10
34
5
26
28
27 29123 17
20
16
21
1819 2
22
2524
33
32
13
13
1112
35 35
15
14
7
4
3
Pressure switch
Motor block
35 Accumulator
P
FLO
AT
ING
M
PS
B
A
T
P
LM
)(
B1A1 B2A2
a2
b2
Pst
()
B3A3
T
DU
MP
RO
LLB
AC
K
UP
DO
WN
FLO
AT
ING
BU
CK
ET
BO
OM
OP
TIO
N
) (
) (
S
LS
SX
P
a1 a3
b1 b3
B.D/F B.U CRAWD DUMP
1 3 4 2
PT
1.1 2.1
PS
L
R
T
P
LS
B
T X
ARSM2-10
P1
T1
P2
T2
A1
A2
SP
P1
M T
T
A1
P1
PS
PS
B
LL1S
X
3 1
2 4
S1 S2
PS
PS
B1 A1 B2 A2
A3
T1
TP
PS1
B
PS
PARKING
T/M
LH RH
FRONT
REAR
dump
rollbackdown
up
RHLH
E/G E/G
Flow meter
Fan motor(option)
1 Main pump2 Fan & brake pump345 Steering unit789
10
Accumulator11
Bucket cylinder
1213
15161718 Air breather192021222324252627 Check block(option)
Safety valve
Cut off valve
Brake valve(option)
Return filterBy pass valveStrainerOil cooler
Motor pump(option)
14 Pressure sensor
28293031323334
Check valve(option)Ride control valve(option)Accumulator(option)Quick couple cylinder(option)
Check valve
Main control valve(option)RCV lever(option)
Boom cylinder
Steering cylinder
Accumulator
Pressure switchHydraulic tank
Pressure filterPressure sensor
Pressure sensor(option)
Solenoid valve(option)
9 8
24
2431
30
10
5
34
2927
28
26
24
1 18
21
17
22
19
20 2
23
25
14
12
1411
13 13
15
7
4
3
32
33
16
HL730TM-9(#0001~)
31LP-09050
R16-9(#0001~)
20U-0931
M
PS
B
A)
(
B1A1 B2A2
a2
b2
Pst
()
B3A3
T
DU
MP
RO
LLB
AC
K
UP
DO
WN
FLO
AT
ING
BU
CK
ET
BO
OM
OP
TIO
N
) (
) (
S
LS
SX
P
a1 a3
b1 b3
B.D/F B.U CRAWD DUMP
1 3 4 2
PT
1.1 2.1
PS
L
R
T
P
LS
PS
PS
B
T X
ARSM2-10
P1
T1
P2
T2
A1
A2
SP
P1
M T
T
A1
P1
PS
PS
B
LL1S
X
3 1
2 4
S1 S2
B
A
D
B1 A1 B2 A2
A3
T1
TP
PS1
B
PS
T/M
A
B
P
T
M
LH RH
FRONT
REAR
dump
rollbackdown
up
RHLH
E/G E/G
Flow meter
14
15
33
32
24252
22
2120
16
1819
171
23
26
28
27 29
34
5
10
30
31
9 8
23
23
3
4
7
13
12 11
25 25
13
Fan motor(option)
1 Main pump2 Fan & brake pump345 Steering unit789
10
Accumulator11
Bucket cylinder
1213
15161718
Air breather
192021222324252627 Check block(option)
Safety valve
Cut off valve
Return filterBy pass valveStrainerOil cooler
Motor pump(option)
14 Brake valve(option)
28293031323334
Check valve(option)Ride control valve(option)Accumulator(option)Quick couple cylinder(option)
Check valve
Main control valve(option)RCV lever(option)
Boom cylinder
Steering cylinder
Pressure sensor
Hydraulic tank
Pressure filterPressure sensor
Pressure sensor(option)
Solenoid valve(option)
Pressure switch
Motor block
35 Accumulator
HL730T
M-9A
(#0001~)
31LP-09060
Fan motor(option)
1 Main pump2 Fan & brake pump345 Steering unit789
10
Accumulator11
Bucket cylinder
1213
15161718 Air breather192021222324252627 Check block(option)
Safety valve
Cut off valve
Brake valve(option)
Return filterBy pass valveStrainerHyd oil cooler
Motor pump(option)
14 Pressure sensor
28293031323334
Check valve(option)Ride control valve(option)Accumulator(option)Quick couple cylinder(option)
Check valve
Main control valve(option)RCV lever(option)
Boom cylinder
Steering cylinder
Accumulator
Pressure switchHydraulic tank
Pressure filterPressure sensor
Pressure sensor(option)
Solenoid valve(option)
32
33
252
23
22
18
17
1920
21
1
242927
28
26
34
5
10
30
31
3
9 8
24
24
4
7
14
12
14
11
13 13
15
16
HL740-9(#0001~)
31LN-09010
R16-9(#0001~)
20U-0931
Hydraulic tank
1 Main pump2 Fan & brake pump345 Steering unit
78
10
Boom cylinder111213
15161718
Accumulator
192021222324252627 Shockless valve
Cut off valve
Bucket cylinder
Pressure switchPressure sensorLine filterOil cooler
By pass valve
14 Line filter
282930313233
Check valvePressure sensorRide control valve(option)Accumulator
Main control valve(option)RCV lever(option)
Brake valveSteering cylinder
Pilot supply unit
Accumulator
Fan motorAir breather
Motor pump assy
Pressure switch
Safety valve
Return filter
35 Pressure sensor
T1 P1 T2 P2
BL1 BR1 BL2 BR2
LS
P
T
R
L
P
LS
EFCF
b3
b2
BOOM DOWNBOOM UP
DUMP ROLL BACK
P
FLOATING
b1AUX.
3B
3A
a3
2B
2A
a2
1B
1A
a1
T
P
T
F2
F1
OUTINB.UB.D/F
T
P
652431
FRONT REAR
LH RH
A B
T
Sp.160bar
PT
C
P1 T
U
P2
M
A
P1
M2
P2
x
PS
PS
PS
T/M
PS
A3
PS
B
PS1
P T
T1
A2B2A1B1
LH RH
PARKING
2221
12
24
25 26
23
28
2930
M1
35
20
19
19
167
1717
8
18
10 11 12
32
31
4
33
15
14
13
3
5
27
6
6 Priority valve
HL740-9S
(#0001~)
31LN-09020
18
17
1920
212425
22
1433
32
16
15
14
121313
11
14
1232927
28
26
34
5
10
30
31
3
9 8
23
23
4
7
2
Fan motor(option)
1 Main pump2 Fan & brake pump345 Steering unit789
10
Accumulator11
Bucket cylinder
1213
15161718 Air breather192021222324252627 Check block(option)
Safety valve
Cut off valve
Brake valve(option)
Return filterBy pass valveStrainerHyd oil cooler
Motor pump(option)
14 Pressure sensor
28293031323334
Check valve(option)Ride control valve(option)Accumulator(option)Quick couple cylinder(option)
Check valve
Main control valve(option)RCV lever(option)
Boom cylinder
Steering cylinder
Accumulator
Pressure switchHydraulic tank
Pressure sensor
Pressure sensor(option)
Solenoid valve(option)
Directional valve
HL740-9A(#0001~)
31LN-09030
R16-9(#0001~)
20U-0931
Fan motor(option)
1 Main pump2 Fan & brake pump345 Steering unit789
10
Accumulator11
Bucket cylinder
1213
15161718 Air breather192021222324252627 Check block(option)
Safety valve
Cut off valve
Brake valve(option)
Return filterBy pass valveStrainerHyd oil cooler
Motor pump(option)
14 Pressure sensor
28293031323334
Check valve(option)Ride control valve(option)Accumulator(option)Quick couple cylinder(option)
Check valve
Main control valve(option)RCV lever(option)
Boom cylinder
Steering cylinder
Accumulator
Pressure switchHydraulic tank
Pressure filterPressure sensor
Pressure sensor(option)
Solenoid valve(option)M
PS
B
A
T
P
LM
B.D/F B.U CRAWD DUMP
1 3 4 2
PT
1.1 2.1
PS
B
L1L2S
X
L
R
T
P
LS
P1
T1
P2
T2
A1
A2
)(
B1A1 B2A2
a2
b2
Pst
()
B3A3
T
DU
MP
UP
DO
WN
FLO
AT
ING
0.7L
PM
BU
CK
ET
BO
OM
OP
TIO
N
) (
) (
S
LS
SX
P
a1 a3
b1 b3
RO
LLB
AC
K
SP
P1
M T
T
A1
P1
PS
PS
3 1
2 4
S1 S2
A
B
TSp.
PS
PS
B1 A1 B2 A2
A3
T1
TP
PS1
B
PS
PARKING
T/M
LH RH
FRONT
REAR
dump
rollback down
up
RHLH
E/G E/G
Flow meter
25
33
32
22
2
231920
21
17
18124
26
28
27 29
34
5
7
4
10
30
31
9 8
24
24
3
16
15
13 13
11
14
12
14
HL740T
M-9(#0001~)
31LN-09060
M
PS
B.D/F B.U CRAWD DUMP
1 3 4 2
PT
1.1 2.1
PS
B
L1L2S
X
L
R
T
P
LS
B1A1 B2A2
a2
b2
Pst
(
B3A3
T
DU
MP
UP
DO
WN
FLO
AT
ING
0.7L
PM
BU
CK
ET
BO
OM
OP
TIO
N
) (
) (
S
LS
SX
P
a1 a3
b1 b3
RO
LLB
AC
K
SP
P1
M T
T
A1
P1
PS
PS
A
B
TSp.
PS
P1
T1
P2
T2
A1
A2
3 1
2 4
S1 S2
B
A
D
LS1
B
PS
PS
A
B
P
T
T2
P B3
S3
T1PP
S2B2B1S1
G1
G2PS
C3
C5 C6
C4
C1
C2
T/M
PARKING
LH RHdump
rollback down
up
RHLH
E/G
FRONT
REAR
Flow meter
Fan motor(option)
1 Main pump2 Fan & brake pump345 Steering unit789
10
Accumulator11
Bucket cylinder
1213
15161718 Air breather192021222324252627 Check block(option)
Safety valve
Cut off valve
Brake valve(option)
Return filterBy pass valveStrainerHyd oil cooler
Motor pump(option)
14 Pressure sensor
28293031323334
Check valve(option)Ride control valve(option)Accumulator(option)Quick couple cylinder(option)
Check valve
Main control valve(option)RCV lever(option)
Boom cylinder
Steering cylinder
Accumulator
Pressure switchHydraulic tank
Pressure sensor
Pressure sensor(option)
Solenoid valve(option)
33
32
242522
1920
21
17
18123
26
28
27 29
34
5
10
30
31
3
9 8
2323
4
7
11
13 1213
14
1414
22
16
15
Directional valve
(
((
HL740TM-9A(#0001~)
31LN-09070
R16-9(#0001~)
20U-0931
1 Main pump2 Fan & brake pump345 Steering unit6 Accumulator7
121314
Accumulator15
Bucket cylinder
1617
192021
23242526
Steering valve(option)
Cut off valve
18
Main control valve(option)RCV lever(option)
Boom cylinder
Steering cylinder
22
89
10Joystick(option)Controller(option)
Safety valve11 Shuttle valve
Pressure sensorBrake valve(option)
Air breatherReturn filterBy pass valveStrainerOil cooler
Pressure switchHydraulic tank
Pressure filter27
29303132333435363738
28Fan motor(option)
Check block(option)Motor pump(option)
Check valve(option)Ride control valve(option)Accumulator(option)Quick couple cylinder(option)
Stop valve
Check valvePressure sensor
Pressure sensor(option)
Solenoid valve(option)M
PS
PS
PS
B1 A1 B2 A2
A3
T1
TP
PS1
B
PS
B1A1 B2A2
LS
a2
b2b1
a1
Pst
(
B3A3
b3
a3
T
DU
MP
RO
LLB
AC
K
UP
DO
WN
FLO
AT
ING
P
Bucket Boom Aux
X X
B.D/F B.U CRAWD DUMP
1 3 4 2
PT
1.1 2.1
P T
L R
CL CR
L
EF
R
P LS T
Ps
Ts
ELECTRONICS
1 3
2 4
A
B
DR A
B
DR
PS
T/M
B2
L3L4
B1
L1L2S1 S2
X1 X2
T
A1
P1
T
P
LM
X1 X2
X3
S1
P1
T1
P2
T2
A1
A2
SP
P1
M T
PS
PS
3 1
2 4
S1 S2
A
B
TSp.
SYSTEM PRESSURE : 250bar
SYSTEM PRESSURE : 280bar
LH RH
FRONT
REAR
dump
rollback
down
up
RHLH
E/G E/G
PARKING
Flow meter
36
37
292
26
2524
20
2223
21
130
32
31 33 28
5 11
1027 27
38
7
8
9 6 6
14
34
35
3
13 12
28
28
4
17
17
16
15
16 16
19
18
(
((
HL757-9(#0001~)
31LM-09010
Fan & brake pump
Pressure sensor
Ride control valve
Main control valve(option)RCV lever(option)
Steering cylinder
Motor pump
Pressure sensor
Hydraulic tank
1 Main pump2345 Steering unit
78
10
Boom cylinder111213
15161718
Accumulator
192021222324252627
Cut off valve
Bucket cylinder
Pressure switch
Line filterOil cooler
By pass valve
14 Line filter
282930313233
Check valvePressure sensor
Accumulator
Brake valve
Pilot supply unit
Accumulator
Fan motorAir breather
Pressure switch
Safety valve
Return filter
34
6 Steering valve
Cushion valveM
M2
A
M1
P1
P2
x
F1
F2
A
B
B.D/F B.U IN OUT
T P
1 3 4 2 1.1 2.1
L R
TP
CL CR
L
R
Ps
Ts
TLSPEF
A3
PS
B
PS1
P T
T1
A2B2A1B1
BL1 BR1 BL2 BR2
P2T2P1T1
FRONT REAR LH RH
T/M
BOOM UP BOOM DOWN
AUX.
ROLL BACK DUMP
T
B3
A3
a3
B2
A2
b3
b2
a2
B1
A1
a1
b1
P
PT
C
A B
T
Sp.
U
P1
T
P2
PS
PS
PS
PS
LH RH
PARKING
222124
25 26
27
29
2834 23
2 1
21
19
19
16
7
17 17
8
18 6
33
10 11 12 3031
4
32
3
15
14
13
5
HL757-9S(#0001~)
31LM-09020
R16-9(#0001~)
20U-0931
M
PS
PS
B.D/F B.U IN OUT
1 3 4 2
PT
1.1 2.1
P T
L R
CL CR
L
EF
R
P LS T
Ps
Ts
ELECTRONICS
1 3
2 4
P T
A B
A
B
DR A
B
DR
PS
T/M
DURTRI DURTRI
B2
L3L4
B1
L1L2S1 S2
X1 X2
P1
T1
P2
T2
A1
A2
X1 X2
X3
S1
SP
P1
M T
T
A1
P1
PS
LS1
B
AB
D
T2
P B3
S3
T1PP
S2B2B1S1
G1
G2PS
C3
C5 C6
C4
C1
C2
PSP
S
) (
B1A1 B2A2
LS
a2
b2b1
a1
Pst
(
B3A3
b3
a3
T
DU
MP
RO
LLB
AC
K
UP
DO
WN
P
Bucket Boom Aux
X X
0.7l
pm
PS
A
B
TSp.
A
B
P
T
66
FRONT
REAR
dump
rollback
RHLH
down
up
RH
PARKING
LH
1 Main pump2 Fan & brake pump345 Steering unit6 Accumulator7
121314
Accumulator15
Bucket cylinder
1617
192021
23242526
Steering valve(option)
Cut off valve
18
Main control valve(option)RCV lever(option)
Boom cylinder
Steering cylinder
22
89
10Joystick(option)Controller(option)
Safety valve11 Shuttle valve
Pressure sensorBrake valve(option)
Air breatherReturn filterBy pass valveStrainerHyd oil cooler
Pressure switchHydraulic tank
27
29303132333435363738
28 Fan motor(option)
Check block(option)Motor pump(option)
Check valve(option)Ride control valve(option)Accumulator(option)Quick couple cylinder(option)
Stop valve
Pressure sensor(option)
Solenoid valve(option)
2829
25
2
24
20
2223
211
273331
32
30
5
39
7
8
9
14
34
35
3
13 12
27
27
4
19
18
17
17
391616
15
17
10
11
26 26
Check valvePressure sensor
Directional valve
39 Accumulator
36
37
(
FLO
AT
ING
HL757-9A
(#0001~)
31LM-09030
MM 16cc/rev
M2
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M1
P1
P2
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B
B.D/F B.U IN OUT
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1 3 4 2 1.1 2.1
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T/M
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AUX.
ROLL BACK DUMP
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a3
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b2
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Fan & brake pump
Pressure sensor
Ride control valve
Main control valve(option)RCV lever(option)
Steering cylinder
Motor pump
Pressure sensor
Hydraulic tank
1 Main pump2345 Steering unit
78
10
Boom cylinder111213
15161718
Accumulator
192021222324252627
Cut off valve
Bucket cylinder
Pressure switch
Line filterOil cooler
By pass valve
14 Line filter
282930313233
Check valvePressure sensor
Accumulator
Brake valve
Pilot supply unit
Accumulator
Fan motorAir breather
Pressure switch
Safety valve
Return filter
34
6 Steering valve
Cushion valve
222124
25 26
23
27
29
28
34
20
19
19
16 7
17 17
8
18 6
33
10 11 1230
31
4
32
3
5
2 1
13
14
15
HL757-9SM(#0001~)
31LM-09050
R16-9(#0001~)
20U-0931
1 Main pump2 Fan & brake pump345 Steering unit6 Accumulator7
121314
Accumulator15
Bucket cylinder
1617
192021
23242526
Steering valve(option)
Cut off valve
18
Main control valve(option)RCV lever(option)
Boom cylinder
Steering cylinder
22
89
10Joystick(option)Controller(option)
Safety valve11 Shuttle valve
Pressure sensorBrake valve(option)
Air breatherReturn filterBy pass valveStrainerOil cooler
Pressure switchHydraulic tank
Pressure filter27
29303132333435363738
28Fan motor(option)
Check block(option)Motor pump(option)
Check valve(option)Ride control valve(option)Accumulator(option)Quick couple cylinder(option)
Stop valve
Check valvePressure sensor
Pressure sensor(option)
Solenoid valve(option)
292
26
25
2223
24
20
21
130
32
31 33 28
5
38
11
27 27
7
8
9
14
34
35
3
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28
28
4
10
17
17
16
15
16 16
18
19
36
37
HL757T
M-9(#0001~)
31LM-09060
1 Main pump2 Fan & brake pump345 Steering unit6 Accumulator7
121314
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Bucket cylinder
1617
192021
23242526
Steering valve(option)
Cut off valve
18
Main control valve(option)RCV lever(option)
Boom cylinder
Steering cylinder
22
89
10Joystick(option)Controller(option)
Safety valve11 Shuttle valve
Pressure sensorBrake valve(option)
Air breatherReturn filterBy pass valveStrainerHyd oil cooler
Pressure switchHydraulic tank
27
29303132333435363738
28 Fan motor(option)
Check block(option)Motor pump(option)
Check valve(option)Ride control valve(option)Accumulator(option)Quick couple cylinder(option)
Stop valve
Pressure sensor(option)
Solenoid valve(option)
Check valvePressure sensor
Directional valve
39 Accumulator
M
PS
PS
B.D/F B.U IN OUT
1 3 4 2
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L R
CL CR
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EF
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Ts
ELECTRONICS
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A
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DR A
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dump
rollback
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down
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2829
25
22223
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30
32
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8
9 6 6
14
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35
3
4
13 12
27
27
18
19
36
3717
17
391616
15
17
11
26 26 10
HL757TM-9A(#0001~)
31LM-09070
R16-9(#0001~)
20U-0931
1 Main pump2 Fan & brake pump345 Steering unit6 Accumulator7
121314
Accumulator15
Bucket cylinder
16
18
202122
24252627
Steering valve(option)
Cut off valve
19
Main control valve(option)RCV lever(option)
Boom cylinder
Steering cylinder
23
89
10Joystick(option)Controller(option)
Safety valve11 Shuttle valve
Pressure sensorBrake valve(option)
Air breatherReturn filterBy pass valveStrainerOil cooler
Pressure switchHydraulic tank
Pressure filter28
30313233343536373839
29Fan motor(option)
Check block(option)Motor pump(option)
Check valve(option)Ride control valve(option)Accumulator(option)Quick couple cylinder(option)
Stop valve
Check valvePressure sensor
Pressure sensor(option)
Solenoid valve(option)
M
PS
PS
PS
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A3
T1
TP
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B
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B.D/F B.U IN OUT
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dump
rollback
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30
38
37
20
19
1616
15
17
18
18
27
2
26
2324
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21
2212934
31
33
32
5
11
1028 28
39
7
8
9 6 6
14
35
36
3
4
12
13 12
29
29
Accumulator17
HL760-9(#0001~)
31LL-09210
Fan & brake pump
Pressure sensor
Ride control valve(option)
Main control valve(option)RCV lever(option)
Steering cylinder
Motor pump
Pressure sensor
Hydraulic tank
1 Main pump2345 Steering unit
78
10
Boom cylinder111213
15161718
Accumulator
192021222324252627
Cut off valve
Bucket cylinder
Pressure switch
Line filterOil cooler
By pass valve
14 Line filter
282930313233
Check valvePressure sensor
Accumulator
Brake valve
Pilot supply unit
Accumulator
Fan motorAir breather
Pressure switch
Safety valve
Return filter
34
6 Steering valve
Cushion valveM
M2
A
M1
P1
P2
x
F1
F2
A
B
B.D/F B.U IN OUT
T P
1 3 4 2 1.1 2.1
L R
TP
CL CR
L
R
Ps
Ts
TLSPEF
A3
PS
B
PS1
P T
T1
A2B2A1B1
BL1 BR1 BL2 BR2
P2T2P1T1
FRONT REAR LH RH
T/M
BOOM UP BOOM DOWN
AUX.
ROLL BACK DUMP
T
B3
A3
a3
B2
A2
b3
b2
a2
B1
A1
a1
b1
P
PT
C
A B
T
Sp.
U
P1
T
P2
PS
PS
PS
PS
LH RH
PARKING
222124
25 26
27
29
28
34
23
2 1
21
19
19
16
7
17 17
8
18 6
33
10 11 12 3031
4
32
3
15
14
13
5
HL760-9S(#0001~)
31LL-09220
R16-9(#0001~)
20U-0931
1 Main pump2 Fan & brake pump345 Steering unit6 Accumulator7
121314
Accumulator15
Bucket cylinder
1617
192021
23242526
Steering valve(option)
Cut off valve
18
Main control valve(option)RCV lever(option)
Boom cylinder
Steering cylinder
22
89
10Joystick(option)Controller(option)
Safety valve11 Shuttle valve
Pressure sensorBrake valve(option)
Air breatherReturn filterBy pass valveStrainerHyd oil cooler
Pressure switchHydraulic tank
27
29303132333435363738
28Fan motor(option)
Check block(option)Motor pump(option)
Check valve(option)Ride control valve(option)Accumulator(option)Quick couple cylinder(option)
Stop valve
Pressure sensor(option)
Solenoid valve(option)
Check valvePressure sensor
Directional valve
39
38
37
30 29
26
22324
25
21
221
283432
33
31
11
102727
5
39
7
8
9 6 6
14
35
36
3
12
4
13 12
28
28
19
20
18
171616
15
18
18
Accumulator
HL760-9A
(#0001~)
31LL-09230
1 Main pump2 Fan & brake pump345 Steering unit6
8
Accumulator
14
Bucket cylinder
Cut off valve
Main control valve(option)RCV lever(option)
Boom cylinder
Steering cylinder
9101112
LS compensating valve(option)Proportional valve(option)
13Shuttle valve
Pressure sensorBrake valve(option)
Air breatherReturn filterBy pass valveStrainerOil cooler
Pressure switchHydraulic tank
Pressure filter
Fan motor(option)
Check block(option)Motor pump(option)
Check valve(option)Ride control valve(option)Accumulator(option)Quick couple cylinder(option)
Stop valve(option)
Check valvePressure sensor
Pressure sensor(option)
Solenoid valve(option)
Accumulator
Flow amplifier7 Controller(option)
Safety valve
151617
19202122
24252627
18
23
29303132333435363738
28
39
Joystick(option)
Shuttle valve(option)Pressure sensor(option)
404142
33
41
40
29
2
30
21
21
19
18
20 1923
22
28
24
25
26273
323735
36
34
1210
7
8
9
5
14
13
3131
42
11
6
38
39
17
3
1632
15
32
15
4
HL770-9(#0001~)
31LK-09010
R16-9(#0001~)
20U-0931
M
M2
A
M1
P1
P2
x
F1
F2
A
B
B.D/F B.U IN OUT
T P
1 3 4 2 1.1 2.1
A3
PS
B
PS1
P T
T1
A2B2A1B1
BL1 BR1 BL2 BR2
P2T2P1T1
FRONT REAR
T/M
PT
C
U
P1
T
P2
L1 L2 T
1A
1B
3A
3B
P
BOOM UP BOOM DOWN
P1B
P3B
2A
2B
ROLL BACKDUMP
P2B
P1A
P2A
P3A
MX
B T
X1A
RSM2-25
X2
X
PS
PS
PS
PS
PARKING
P
CL CR
L R
T LS
L
P
PP
R
EF
T
HP LS HT
RHLH
Fan & brake pump
Pressure sensor
Ride control valve
Main control valve(option)RCV lever(option)
Steering cylinder
Motor pump
Pressure sensor
Hydraulic tank
1 Main pump2345 Steering unit
78
10
Boom cylinder111213
15161718
Accumulator
192021222324252627
Cut off valve
Bucket cylinder
Pressure switch
Line filterOil cooler
By pass valve
14 Line filter
282930313233
Check valvePressure sensor
Accumulator
Brake valve
Pilot supply unit
Accumulator
Fan motorAir breather
Pressure switch
Safety valve
Return filter
34
6 Steering valve
13
14
15
4
31 32301211
10
618
8
16 17
716
19
19
20
27
29
2834 23
25 26
24
2 1
21 22
5
3 33
Accumulator
RHLH
HL770-9S
(#0001~)
31LK-09020
1 Main pump2 Fan & brake pump345 Steering unit6
8
Accumulator
14
Bucket cylinder
Cut off valve
Main control valve(option)RCV lever(option)
Boom cylinder
Steering cylinder
9101112
LS compensating valve(option)Proportional valve(option)
13Shuttle valve
Pressure sensorBrake valve(option)
Air breatherReturn filterBy pass valveStrainerOil cooler
Pressure switchHydraulic tank
Fan motor(option)
Check block(option)Motor pump(option)
Check valve(option)Ride control valve(option)Accumulator(option)Quick couple cylinder(option)
Stop valve(option)
Check valvePressure sensor
Pressure sensor(option)
Solenoid valve(option)
Accumulator
Flow amplifier7 Controller(option)
Safety valve
151617
19202122
24252627
18
23
29303132333435363738
28
39
Joystick(option)
Shuttle valve(option)Pressure sensor(option)
404142
M
B.D/F B.U IN OUT
1 3 4 2PT
1.1 2.1
MX
BT
X2 A
RSM2-16
PS
B2
L3L4
B1
L1L2S1 S2
X1 X2
E/G
A3 B3
a3
b3
LS
S1
S2
()
BUCKET BOOM AUXP A1
B2A2
A2B1 B2 pst
a2
b2
T
X X
X
X
X
X
PS
X1 X2
X3
S1
SP
P1
M T
T
A1
P1
PS
PS
PS
P T
A B
T/M
P1
T1
P2
T2
A1
A2
LS1
B
A
B
D
A
B
P
T
T2
P B3
S3
T1PP
S2B2B1S1
G1
G2
PS
C3
C5 C6
C4C1
C2 PS
P T LS
L R
CL CR
EF
T
L
P
HP LS HT
R
PP
PS
LSM
T
P
A
B
UpDown
A1
B1B2
A2
C2 C1
A
B
DR A
B
DR
21
3
PS
LH
RH
dump
rollback
down
up
FRONT
REAR
PARKING
RHLH
3233
29
2
28
24
25
2627
34
36
35 3731
1
7
814
13
3010
30
9
12
65
42
11
17
39
3816 15
31
31
3
15
4
22
23
20
18
2121
21
1919
40
41
Directional valve
HL770-9A(#0001~)
31LK-09030
R16-9(#0001~)
20U-0931
1 Steering pump
3 Fan & brake pump45
Steering unit6
8
14
Accumulator
Bucket cylinder
Cut off valve
Main control valve(option)RCV lever(option)
Boom cylinder
Steering cylinder
9101112
LS compensating valve(option)Proportional valve(option)
13
Shuttle valve
Pressure sensorBrake valve(option)
Air breatherReturn filterBy pass valveStrainerOil cooler
Pressure switchHydraulic tank
Pressure filter
Fan motor(option)
Check block(option)Motor pump(option)
Check valve(option)Ride control valve(option)Accumulator(option)
Quick couple cylinder(option)
Stop valve(option)
Check valvePressure sensor
Pressure sensor(option)
Solenoid valve(option)
Flow amplifier7Controller(option)
Safety valve151617
19202122
24252627
18
23
29303132333435363738
28
39
Joystick(option)
Shuttle valve(option)Pressure sensor(option)
404142
2 Working pump
Accumulato(option)
43
M
P T LS
L R
CL CR
EF
T
L
P
HP LS HT
R
PP
B.D/F B.U IN OUT
1 3 4 2PT
1.1 2.1
MX
B
T X1
ARSM2-25
X2
2 1
3
PSLSM
T
P
A
B
A1
B1B2
A2
C2 C1
B1 A1 B2 A2
A3
T1
TP
PS1
B
PS
T/M
()
X X
P2
T2MT1
MP
A1 B1
A1 B1T P
BUCKET
a1
a2
BOOM
A2 B2 pst
LSa3
BOOM
A3 B3
a4
A4 B4
b1
b2 b3 b4
A2 B2
T/M
PARKING
PS
PS
PS
PS
B1
L1L2S1
X1
T/MT
P
LM
B2
L3L4S2
X2
T/M
P1
T1
P2
T2
A1
A2
A
B
DR A
B
DR
X1 X2
X3
SP
P1
M T
T
A1
P1
PS
PS
3 1
2 4
S1 S2
RHLH
FRONT
REAR
Dump Crawd UpDown
LH
RH
RH
Dump
Crawd
Dump Crawd
Down Up
LH
33
42
41
23
22
20 20
1920
21
21
30
3
29
2627
28
24
25
2
1
32
34
36
35 37
15
1311
31 31
8
9
10 6
43
12
7
18
38
39 40
4
17 16
16
32
32
17
5
14
HL780-9(#0001~)
31LQ-09010
M
M2
A
M1
P1
P2
x
F1
F2
A
B
B.D/F B.U IN OUT
T P
1 3 4 2 1.1 2.1
A3
PS
B
PS1
P T
T1
A2B2A1B1
BL1 BR1 BL2 BR2
P2T2P1T1
FRONT REAR
T/M
PT
C
U
P1
T
P2
L1 L2 T
1A
1B
3A
3B
L1 L2 T
P
BOOM UP BOOM DOWN
P1B
P3B
2A
2B
ROLL BACKDUMP
P2B
P1A
P2A
P3A
MX
B T
X1A
RSM2-25
X2
X
PS
PS
PS
PS
LH RH
PARKING
P
CL CR
L R
T LS
L
P
PP
R
EF
T
HP LS HT
Fan & steering pump
Pressure sensor
Ride control valve
Main control valve(option)RCV lever(option)
Steering cylinder
Motor pump
Pressure sensor
Hydraulic tank
1 Main & brake pump2345 Steering unit
78
10
Boom cylinder111213
15161718
Accumulator
192021222324252627
Cut off valve
Bucket cylinder
Pressure switch
Line filterOil cooler
By pass valve
14 Line filter
282930313233
Check valvePressure sensor
Accumulator
Brake valve
Pilot supply unit
Accumulator
Fan motorAir breather
Pressure switch
Safety valve
Return filter
6 Flow amplifier
22
21
24
25 26
1 2
23
27
29
2833
20
19
19
177
16 16
8
18 6
10 11 12
3 33
3031
4
15
14
13
5
LH RH
HL780-9S(#0001~)
31LQ-09020
R16-9(#0001~)
20U-0931
1 Steering pump
3 Fan & brake pump45
Steering unit6
8
14
Accumulator
Bucket cylinder
Cut off valve
Main control valve(option)RCV lever(option)
Boom cylinder
Steering cylinder
9101112
LS compensating valve(option)Proportional valve(option)
13
Shuttle valve
Pressure sensorBrake valve(option)
Air breatherReturn filterBy pass valveStrainerOil cooler
Pressure switchHydraulic tank
Fan motor(option)
Check block(option)Motor pump(option)
Check valve(option)Ride control valve(option)Accumulator(option)
Quick couple cylinder(option)
Stop valve(option)
Pressure sensor
Pressure sensor(option)
Solenoid valve(option)
Flow amplifier7Controller(option)
Safety valve151617
19202122
24252627
18
23
29303132333435363738
28
39
Joystick(option)
Shuttle valve(option)Pressure sensor(option)
404142
2 Working pump
Accumulato(option)
43
33 32
29
32627
28
24
25
2134
36
35 3731
8
913
11
15
30
3014
10
7
186
43
12 45
44
38
39 40
5
4
46 17 16
17
16
31
31
22
23
41
42
21
21
20
20
19
21Check valve
Directional valve
EH controller44Remote control block45Stop valve(option)46
HL780-9A
(#0001~)
31LQ-09030
30
31
Sp T
B
A
10
5
6
R
L
T
P
LS
PS
PS
1
2
17
18
1920
21
23
26
27
28
29S
P
M
P1
T
M
E/G
B1
X1
S1 L1 L
B
9 8
PS
PS
PS
PS
PS
3
4
7
11
13 1213
14
14
15
16
22
2425
14
23
23
32
33
RHLH
S1 L
T
P A A
B B
D
3 1
2 4
Rear
Front
A1
A2
P1
T2
T1
P2
G1
B3
G2
S3S2B2B1S1
C5 C6
C1C4
C3
C2
T2T1PP
PS
P
TP1
A1
2.11.12431PT
B.D/F B.U CRAWD DUMP
b1 b2 b3
Rol
lbac
k
Up
Dum
p
Dow
nF
loat
ing
Pst
T
SX
P
LS
S
a1 a2
A1 B1 A2 B2 A3 B3
a3
OPT5
OPT5
OPT1
OPT4 OPT4
OPT4
OPT4
10
RHLH
3435
BU
CK
ET
BO
OM
OP
TIO
N
OPT2
OPT3
OPT6
OPT6
PARKING
T/M
7-1
18-1
Dump
RollbackUp
Down
Fan motor
1 Main pump2 Fan & brake pump345 Steering unit6 Check valve7
89
10
Accumulator11
Bucket cylinder
1213
15161718 Air breather
192021222324
2627 Check block(OPT 4)
Safety valve
Cut off valve
Brake valve(OPT 3)
Return filterBy pass valveStrainerOil cooler
Motor pump(OPT 4)
14 Pressure sensor
2829
313233
35
Check valve(OPT 4)
Accumulator(OPT 5)Quick couple cylinder(OPT 6)
Orifice
Main control valve(OPT 1)RCV lever(OPT 2)
7-1 Filter element
Boom cylinder
Steering cylinder
Accumulator
Pressure switchHydraulic tank
18-1 Element
Pressure sensor
Pressure sensor(OPT 4)
Solenoid valve(OPT 6)
7-2
7-2 Accumulator
25 Directional valve
30 Ride control valve(OPT 5)
34 Accumulator
HL940(#0001~)
30WB-00010
R16-9(#0001~)
20U-0931
30
31
Sp T
B
A
10
5
6
R
L
T
P
LS
PS
PS
1
2
17
18
1920
21
23
26
27
28
29S
P
M
P1
T
M
E/G
B1
X1
S1 L1 L
B
9 8
PS
PS
PS
PS
PS
3
4
7
11
13 1213
14
14
15
16
22
2425
14
23
23
32
33
RHLH
S1 L
T
P A A
B B
D
3 1
2 4
Rear
Front
A1
A2
P1
T2
T1
P2
G1
B3
G2
S3S2B2B1S1
C5 C6
C1C4
C3
C2
T2T1PP
PS
P
TP1
A1
2.11.12431PT
B.D/F B.U CRAWD DUMP
b1 b2 b3
Rol
lbac
k
Up
Dum
p
Dow
nF
loat
ing
Pst
T
SX
P
LS
S
a1 a2
A1 B1 A2 B2 A3 B3
a3
OPT4
OPT4
OPT3 OPT3
OPT3
OPT3
10
RHLH
3435
BU
CK
ET
BO
OM
OP
TIO
N
OPT1
OPT2
OPT6
OPT6
PARKING
T/M
7-1
18-1
Dump
Rollback
Up
Down
Fan motor
1 Main pump2 Fan & brake pump345 Steering unit6 Check valve7
89
10
Accumulator11
Bucket cylinder
1213
15161718 Air breather
192021222324
2627 Check block(OPT 3)
Safety valve
Cut off valve
Brake valve(OPT 2)
Return filterBy pass valveStrainerOil cooler
Motor pump(OPT 3)
14 Pressure sensor
2829
313233
35
Check valve(OPT 3)
Accumulator(OPT 4)Quick couple cylinder(OPT 5)
Orifice
Main control valveRCV lever(OPT 1)
7-1 Filter element
Boom cylinder
Steering cylinder
Accumulator
Pressure switchHydraulic tank
18-1 Element
Pressure sensor
Pressure sensor(OPT 3)
Solenoid valve(OPT 5)
7-2
7-2 Accumulator
25 Directional valve
30 Ride control valve(OPT 4)
34 Accumulator
HL940T
M(#0001~)
30WB-00020
1 Main pump2 Fan & brake pump345
HYD oil cooler67
1213
14151617
192021
23242526
18
Main control valve(opt 1)
Directional valve
22
89
1011
27
293031
31-1323334353637
28
35
37
36
18
17
31
3032 33
39
40
1
14
13
34
7 7
38 23
RHLH
CL CR
L
EF
R
P LS T
Ps
Ts
ELECTRONICS
1
4
A
B
T Sp.
T
A1
P1
S P
P1
M T
X1 X2
X3
S1
B2
L3L4
B1
L1L2S1 S2
X1 X2
PS
P T
L R
PS
M
2
3
19
21
AUX1 BUCKET BOOMJoystick
4 1
EH20 EH19 EH22 EH21
P
T
6(4) 3(2) 5(3) 2(1) ( ) : 2 Spool
EH18 EH17
10
8
11 11
To MCV
a3 b3 a1 b1 a2 b2
9
16
PS
PS
P
LS
Pst
T
b1 b2 b3
a1 a2 a3
A1 B1 A2 B2 A3 B3
Dum
pR
ollb
ack
Dow
nF
loat
ing
Up
Buc
ket Boo
m Aux
.
LH RH
15
23
23
3
Control Unit / Electro Hydraulic, Joystick Steering
22 22
OPT4
20 OPT4
OPT2
OPT2OPT2
2/3spool
OPT2
OPT6
OPT6
OPT6 OPT6 31-1
2 45
A
B
P
T
A
B
D
LS1
B
A1
A2
25
24
42
41
FRONT
REAR
P1
T1
P2
T2
3 1
2 4
AXLE
6
29
2827
26
27
2929
Parking
T2
P B3
S3
T1PP
S2B2B1S1
G1
G2PS
PS P
S
T/M
PS
OPT7
OPT7
Down
Up
Dump
Rollback
OPT1
OPT2
B.D/F B.U IN OUT
1 3 4 2 1.1 2.1
PT
a1b1
a3 b3a2 b2To MCV
EH OPT HYD OPT
HYD OPT
EH OPT
13-1
OPT5
OPT8
OPT8
12 OPT3
Fan motor
Controller
Joystick steering(opt 4)
Steering cylinder
Boom lowering valve(opt 2)
Steering valve(opt 4)
Bucket cylinder
Steering unit
RCV-EH lever(opt 2)Remote control block(opt 2)
FNR joystick(opt 3)Safety valve
AccumulatorOrifice
Pressure switchCut off valveAccumulatorAccumulatorPressure sensor
Pressure sensorBrake valve(opt 5)
Hydraulic tank
Return filter
StrainerBy pass valve
Check block(opt 6)Pressure sensor(opt 6)Check valve(opt 6)Ride control valve(opt 7)
Quick couple cylinder(opt 8)
Air breatherElement
Motor pump(opt 6)
Accumulator(opt 7)
Check valve
13-1
Boom cylinderShuttle valveFilter element
3839404142 Solenoid valve(opt 8)
HL955(#0001~)
30WC-00010
R16-9(#0001~)
20U-0931
1 Main pump2 Fan & brake pump345
HYD oil cooler67
1213
14151617
192021
23242526
18
Main control valve
Directional valve
22
89
1011
27
293031
31-1323334353637
28
35
37
36
18
17
31
3032 33
39
40
1
14
13
34
7 7
38 23
RHLH
CL CR
L
EF
R
P LS T
Ps
Ts
ELECTRONICS
1
4
A
B
T Sp.
T
A1
P1
S P
P1
M T
X1 X2
X3
S1
B2
L3L4
B1
L1L2S1 S2
X1 X2
PS
P T
L R
PS
M
2
3
19
21
AUX1 BUCKET BOOMJoystick
4 1
EH20 EH19 EH22 EH21
P
T
6(4) 3(2) 5(3) 2(1) ( ) : 2 Spool
EH18 EH17
10
8
11 11
To MCV
a3 b3 a1 b1 a2 b2
9
16
PS
PS
P
LS
Pst
T
b1 b2 b3
a1 a2 a3
A1 B1 A2 B2 A3 B3
Dum
pR
ollb
ack
Dow
nF
loat
ing
Up
Buc
ket Boo
m Aux
.
LH RH
15
23
23
3
Control Unit / Electro Hydraulic, Joystick Steering
22 22
OPT4
20 OPT4
OPT2
OPT2OPT2
2/3spool
OPT2
OPT6
OPT6
OPT6 OPT6 31-1
2 45
A
B
P
T
A
B
D
LS1
B
A1
A2
25
24
42
41
FRONT
REAR
P1
T1
P2
T2
3 1
2 4
AXLE
6
29
2827
26
27
2929
Parking
T2
P B3
S3
T1PP
S2B2B1S1
G1
G2PS
PS P
S
T/M
PS
OPT7
OPT7
Down
Up
Dump
Rollback
OPT1
OPT2
B.D/F B.U IN OUT
1 3 4 2 1.1 2.1
PT
a1b1
a3 b3a2 b2To MCV
EH OPT HYD OPT
HYD OPT
EH OPT
13-1
OPT5
OPT8
OPT8
12 OPT3
Fan motor
Controller
Joystick steering(opt 4)
Steering cylinder
Boom lowering valve(opt 2)
Steering valve(opt 4)
Bucket cylinder
Steering unit
RCV-EH lever(opt 2)Remote control block(opt 2)
FNR joystick(opt 3)Safety valve
AccumulatorOrifice
Pressure switchCut off valveAccumulatorAccumulatorPressure sensor
Pressure sensorBrake valve(opt 5)
Hydraulic tank
Return filter
StrainerBy pass valve
Check block(opt 6)Pressure sensor(opt 6)Check valve(opt 6)Ride control valve(opt 7)
Quick couple cylinder(opt 8)
Air breatherElement
Motor pump(opt 6)
Accumulator(opt 7)
Check valve
13-1
Boom cylinderShuttle valveFilter element
3839404142 Solenoid valve(opt 8)
HL955T
M(#0001~)
30WC-00020
31
33
32
6
14
13 12
22
21
2324
3536
1
11
10
3
912
25
27 27
34 28
28
28
LH
RHLH
RH
A3 B3
a3
b3
LS
P A1
B2A2
A2B1 B2 psta1
a2
b1
b2
Dum
pC
row
d
Dow
nF
loat
ing
Up
CL CR
L
EF
R
P LS T
Ps
Ts
ELECTRONICS
1
4
A
B
TSp. PS
PS
T
A1
P1
S P
P1
M T
X1 X2
X3
S1
B2
L3L4
B1
L1L2S1 S2
X1 X2
PS
P T
L R
PS
M
T
2
3
8
41
7
2 2930
A
B
P
TB
AD
LS1
B
A1
A2
20
19
38
37
FRONT
REAR
P1
T1
P2
T2
3 1
2 4
AXLE
26
18
1716
15
16
1818
Parking
T2
P
B3
S3
T1PP
S2B2B1S1
G1
G2PSP
S PS
T/M
PS
Aux1 Bucket Boom
Joystick
4 1
Control Unit / Electro Hydraulic, Joytick Steering
EH20 EH19 EH22 EH21
P
T
6(4) 3(2) 5(3) 2(1) ( ) : 2 Spool
EH18 EH17
40
39
45
To MCV
a3 b3 a1 b1 a2 b2
1 Main pump2 Fan & brake pump345
Steering unit67
1112
14151617
192021
22-1232425
18
Main control valve(opt 1)
EH - joystick(opt 2)
22
89
1010-1
26
28293031323334353637
27
RCV-EH lever(opt 2)
Steering valve
Pressure switch
Accumulator
Joystick steering(opt 3)
Brake valve(opt 4)
Accumulator
Pressure sensor
Filter elementSafety valve
Shuttle valveBoom cylinder
Hydraulic tankAir breather
By pass valveStrainerHYD oil coolerCheck valvePressure sensor
ElementReturn filter
Fan motor
Check block(opt 5)
Check valve(opt 5)Pressure sensor(opt 5)
Accumulator(opt 6)Quick couple cylinder(opt 7)Solenoid valve(opt 7)EH - controller
Boom lowering valve
Directional valveMotor pump(opt 5)
Ride control valve(opt 6)
Remote control block(opt 1)
Accumulator
13
Cut off valveSteering cylinderBucket cylinder
38394041
Opt
ion
Boo
m
Buc
ket
Dump
Rollback
Down
Up
B.D/F B.U IN OUT
1 3 4 2 1.1 2.1
PT
a1b1
a3 b3a2 b2To MCV
EH OPT HYD OPT
EH OPT HYD OPT
10-1
22-1
MP
MT1
OPT1
OPT5
B1A1
HL960(#0001~)
30WD-00010
R16-9(#0001~)
20U-0931
Control unit(Electro-Hydraulic & Joysick steering)
LH
RH
FRONT
REAR
PARKING
RHLH
b3
B2A2
b2A1
B1B2
A2
C2 C1
A
B
P
T
T2
P
B3
S3
T1PP
S2B2B1S1
G1
G2PS
C3
C5 C6
C4
C1
C2PS
21
3
LSM
T
P
A
B
PS
CL CR
EF
T
L
P
HP LS HT
R
P T LS
L R
PS
A
B
LS1
B
P1
T1
P2
T2
A1
A2
T/M
3 1
2 4
PS
PS
PS
T
A1
P1
P
P1
MT
X1 X2
X3
S1
PS
B2
L3L4
B1
L1L2S1 S2
X1 X2
PS
M
A3 B3
a3LS
P A1 A2B1 B2 pst
a2
T Buc
ket
Boo
m
OP
TIO
N
E/G
135
37
36 38
7
8
18
3
17
16
16
14
26
2527 28
11
12
13
15
10
29
32
31
31
3232
30
233
22
20 21
19
24
41
42
23
22
34
22
b1
20
Aux1 Bucket Boom Joystick
4 1
EH20 EH19 EH22 EH21
P
T
6(4) 3(2) 5(3) 2(1) ( ) : 2 Spool
EH18 EH176
5
4
To MCV
a3 b3 a1 b1 a2 b2
43
a1
OPT3
OPT3
OPT5
OPT5
OPT5
D
OPT7
OPT4
OPT7
26-1
26-2
14-1
OPT1
OPT2
OPT1
OPT3
OPT3
1 Main pump2 Fan & brake pump345 Control unit6 Remote control block(opt 1)7
121314
Shuttle valve14-1
Pressure sensor(opt3)
Steering unit
Filter element
Main control valve(opt 1)RCV lever(opt 2)
Shuttle valve(opt3)
Safety valve
89
10Electric joystick(opt 3)Flow amplifier
Proportional valve(opt3)11 LS compensating valve(opt3)
B1A1 B3A3
9OPT3
4 OPT2
4445
OPT5
MP
MT1
39
40
A
B
T Sp.
OPT6
OPT6
B.D/F B.U IN OUT
1 3 4 2 1.1 2.1
PT
a1b1
a3 b3a2 b2To MCV
44 OPT3
EH OPT HYD OPT
HYD OPT
EH OPT
1516
181920
22232425
17
21
26
272829303132333435
26-1
Accumulator
Pressure switch
Accumulator
Brake valve(opt 4)Pressure sensor
Boom cylinder
Hydraulic tankAir breather
By pass valveStrainerHYD oil coolerCheck valvePressure sensor
Element
Return filter
Fan motor
Check block(opt 5)
Check valve(opt 5)Pressure sensor(opt 5)
Accumulator(opt 6)Quick couple cylinder(opt 7)Solenoid valve(opt 7)Boom lowering valve
Accumulator
Directional valveMotor pump(opt 5)
Ride control valve(opt 6)
FNR - joystick(opt 3)
Cut off valveSteering cylinderBucket cylinder
26-2 Strainer
3637383940414243444546 Orifice
HL970(#0001~)
30WF-00010
4
18
40
4241
17Dump UpDown
LH
P2
T2
MT1
MP
A1 B1
A1 B1T P
BUCKET
a1
a2
BOOMA2 B2 pst
LS
b1
b2
A2 B2
MX
B
T X1
A
X2
Crawd
1 Steering pump2 Working pump345 RCV lever(opt 2)6 EH - controller7
121314
Shuttle valve
15Pressure sensor(opt3)
Remote control block(opt 1)
Filter element
Fan & brake pumpMain control valve(opt 1)
Shuttle valve(opt3)
Safety valve
89
10Flow amplifierSteering unit
Proportional valve(opt3)11LS compensating valve(opt3)
15-116
181920
22232425
17
21
26
282930313233343536
26-1
Accumulator
Pressure switchBrake valve(opt 4)Pressure sensor
Boom cylinder
Hydraulic tankAir breather
By pass valveStrainerHYD oil coolerCheck valvePressure sensor
Element
Return filter
Fan motor
Check block(opt 5)
Check valve(opt 5)Pressure sensor(opt 5)
Accumulator(opt 6)
Quick couple cylinder(opt 7)Solenoid valve(opt 7)Boom lowering valve
Accumulator
Directional valveMotor pump(opt 5)
Ride control valve(opt 6)
FNR - joystick(opt 8)
Cut off valveSteering cylinderBucket cylinder
27 Strainer
3738394041
434445464748 Orifice
45
17
33
33
RH
Down Up
a3
BOOM
A3 B3
a4
A4 B4
b3 b4
PS
PS
REAR
PARKING
RHLH
A1
B1B2
A2
C2 C1
A
B
P
T
T2
P B3
S3
T1PP
S2B2B1S1
G1
G2PS
C3
C5 C6
C4C1
C2PS
21
3
LSMT
P
A
B
CL CR
EF
T
L
P
HP LS HT
R
P T LS
L R
PS
A
B
D
LS1
B
P1
T1
P2
T2
A1
A2
T/M
3 1
2 4
PS
T
A1
P1
SP
P1
MT
X1 X2
X3
S1
PS
B2
L3L4
B1
L1L2S1 S2
X1 X2
PS
MT/M
136
38
37 39
8
9
19
15
28
12
13
16
11
33
32
32
31
334
22
21 21
20
24
44
23
22
35
22
21
Aux Bucket Boom Joystick
4 1
EH20 EH19 EH22 EH21
P
T
6(4) 3(2) 5(3) 2(1) ( ) : 2 Spool
EH18 EH177
6
5 5
To MCV
a4 b4 a1 b1 a2 b2
PP
EH-Controller
10
a3 b3
29
26
25
27
30T/M
2
43
PS14
FRONT
B.D/F B.U IN OUT
1 3 4 2 1.1 2.1
PT
a1b1
a3 b3a2 b2To MCV
46 OPT8
EH OPT HYD OPT
HYD OPT
EH OPT
4445
Bkt S/C L/C
26-1
OPT4
OPT7
OPT7
OPT5
OPT5
OPT5 OPT5
OPT3
OPT3
OPT3
OPT3
OPT1
OPT6 OPT6
OPT3
OPT2
OPT1
OPT2
Electric joystick(opt 3)
Accumulator(opt 6)42
HL980(#0001~)
30WH-00010
R16-9(#0001~)
T/C
P T
A1
B1
A2
B2
A
B
T
LR
TP
1 Main pump assy2 Main control valve(2-spool)3456789
10
Bucket cylinder
11Air breather
Steering unitReturn filterBy pass valve
Boom cylinder
Steering cylinder
Hydraulic oil tank
Flow divider
10
89
11
1
6
7
543
2
31Z2-09010
SL733(#0001~)
T
A1
B1
A2
B2
a2
b2
a1
b1R/BACK DUMP
UP D/FLOATING
P
A3
B3
a3
b3R/BACK DUMP
P
LS
EF
CF
T
P2
P3
P1 L
LSTP
L R
R/BACKDUMP UPD/FLOAT
TP
1B1A 2B2A 3B3A
1 Main & Pilot pump2 Main control valve(option)3456789
10
Bucket cylinder
11Return filter
Hydraulic tankAir breather
Boom cylinder
Steering cylinder
Safety valve
Pressure select valve
12
10
11
1
913
5
6
7
4
8
2
3RCV lever(option)Steering unitPriority valve
1213
31Z2-09020
SL735(#0001~)
R16-9(#0001~)
1 Main pump assy2 Main control valve(2-spool)3456789
10
Bucket cylinder
11Air breather
Steering unitReturn filterBy pass valve
Boom cylinder
Steering cylinder
Hydraulic oil tank
Priority valve
10
11
891
6
7
5
2
3 4
31Z2-09030
SL733S
(#0001~)
Steering valve
3
4 5 6
8
11
9
7
2
1012
14
131
B2
A2
B1
A1
TP
CF EF LS
P T
P T LS
R L
LH RH
14
1 Implement pump2 Steering pump34
6789
101112 By pass valve
Main control valve
5
13
Return filter
Bucket cylinder
Air breather
Steering cylinder
Oil coolerSteering unit
Boom cylinder
Orifice
Hydraulic tank
31Z1-09010
SL763(#0001~#0500)
R16-9(#0001~)
1 Implement pump2 Steering pump34
6789
1011
Steering unit
12Return filter
Bucket cylinder
Hydraulic tankAir breather
Main control valve 2-spool
Steering cylinder
Oil cooler
P
LS
EF
CF
TT1
P T
A1
B1
A2
B2
LR
TP LS
11
9
10
12
5
12
13
4
8
3
6 7
5 Steering valveBoom cylinder
13 Orifice
31Z1-09020
SL763(#0001~)
T
A1
B1
A2
B2
K
a2
b2
b1
a1
DUMPR/BACK
UP D/FLOATING
P
A3
B3b3
a3
P
LS
EF
CF
TT1
R/BACKDUMP UPD/FLOAT
TP
1B1A 2B2A2C 3B3A
LR
TP LS
P2
P3
P1 L
R/BACKDUMP UPD/FLOAT
TP
1B1A 2B2A2C 3B3A
a2
b2k
a1b1
to MCV
a3
b3
141516
14
15
1311
12
12
6
10
16
4
7
85
9
3
4
1 Implement pump2 Steering & pilot pump34
6789
101112
Return filter
Bucket cylinder
Pressure select valve
Air breather
Main control valve(option)
Steering cylinder
Oil cooler
5 Steering unit
Boom cylinder
13
Orifice
RCV lever(option)
Steering valve
Hydraulic tank
Safety valve
31Z1-09030
SL765(#0001~)
R16-9(#0001~)
1 Implement pump2 Steering pump34
6789
1011
Steering unit
12Return filter
Bucket cylinder
Hydraulic tankAir breather
Main control valve 2-spool
Steering cylinder
Oil cooler
5 Steering valveBoom cylinder
13 Orifice
P
LS
EF
CF
TT1
LR
LST P
P T
A1
B1
A2
B2
11
91
10
2
5
12
13
4
8
3
6 7
31Z1-09050
SL763S
(#0001~)