preface 2016 - ce.hhi.co.krce.hhi.co.kr/eng/parts/chb/h-4.pdf · r16-9(#0001~) 31lp-0901020u-0931...

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


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)


10

Accumulator11

Bucket cylinder

1213

15161718

Air breather

192021222324252627 Check block(option)

Safety valve

Cut off valve


Motor pump(option)

14 Brake valve(option)

28293031323334


Check valve


Boom cylinder

Steering cylinder

Pressure sensor

Hydraulic tank



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


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


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)


10

Accumulator11

Bucket cylinder

1213


Safety valve

Cut off valve

Brake valve(option)


Motor pump(option)

14 Pressure sensor

28293031323334


Check valve


Boom cylinder

Steering cylinder

Accumulator





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


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)


10

Accumulator11

Bucket cylinder

1213

15161718

Air breather

192021222324252627 Check block(option)

Safety valve

Cut off valve


Motor pump(option)

14 Brake valve(option)

28293031323334


Check valve


Boom cylinder

Steering cylinder

Pressure sensor

Hydraulic tank




Pressure switch

Motor block

35 Accumulator

HL730T

M-9A

(#0001~)

31LP-09060

Fan motor(option)


10

Accumulator11

Bucket cylinder

1213


Safety valve

Cut off valve

Brake valve(option)

Return filterBy pass valveStrainerHyd oil cooler

Motor pump(option)

14 Pressure sensor

28293031323334


Check valve


Boom cylinder

Steering cylinder

Accumulator





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


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)


10

Accumulator11

Bucket cylinder

1213


Safety valve

Cut off valve

Brake valve(option)


Motor pump(option)

14 Pressure sensor

28293031323334


Check valve


Boom cylinder

Steering cylinder

Accumulator


Pressure sensor



Directional valve

HL740-9A(#0001~)

31LN-09030

R16-9(#0001~)

20U-0931

Fan motor(option)


10

Accumulator11

Bucket cylinder

1213


Safety valve

Cut off valve

Brake valve(option)


Motor pump(option)

14 Pressure sensor

28293031323334


Check valve


Boom cylinder

Steering cylinder

Accumulator





PS

B

A

T

P

LM


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


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)


10

Accumulator11

Bucket cylinder

1213


Safety valve

Cut off valve

Brake valve(option)


Motor pump(option)

14 Pressure sensor

28293031323334


Check valve


Boom cylinder

Steering cylinder

Accumulator


Pressure sensor



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


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 filter27

29303132333435363738

28Fan motor(option)

Check block(option)Motor pump(option)


Stop valve

Check valvePressure sensor



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


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


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


Accumulator

Brake valve

Pilot supply unit

Accumulator


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


121314

Accumulator15

Bucket cylinder

1617

192021

23242526


Cut off valve

18


Boom cylinder

Steering cylinder

22

89




Air breatherReturn filterBy pass valveStrainerHyd oil cooler


27

29303132333435363738

28 Fan motor(option)



Stop valve



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


Directional valve

39 Accumulator

36

37

(

FLO

AT

ING

HL757-9A

(#0001~)

31LM-09030

MM 16cc/rev

M2

A

M1

P1

P2

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

A

M1

P1

P2

M2

PARKING

Fan & brake pump

Pressure sensor

Ride control valve


Steering cylinder

Motor pump

Pressure sensor

Hydraulic tank


78

10

Boom cylinder111213

15161718

Accumulator

192021222324252627

Cut off valve

Bucket cylinder

Pressure switch


By pass valve

14 Line filter

282930313233


Accumulator

Brake valve

Pilot supply unit

Accumulator


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


121314

Accumulator15

Bucket cylinder

1617

192021

23242526


Cut off valve

18


Boom cylinder

Steering cylinder

22

89






Pressure filter27

29303132333435363738

28Fan motor(option)



Stop valve




292

26

25

2223

24

20

21

130

32

31 33 28

5

38

11

27 27

7

8

9

14

34

35

3

13 12

28

28

4

10

17

17

16

15

16 16

18

19

36

37

HL757T

M-9(#0001~)

31LM-09060


121314

Accumulator15

Bucket cylinder

1617

192021

23242526


Cut off valve

18


Boom cylinder

Steering cylinder

22

89






27

29303132333435363738

28 Fan motor(option)



Stop valve




Directional valve

39 Accumulator

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

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

A

B

D

PSP

SP

S

)(

B1A1 B2A2

LS

a2

b2b1

a1

Pst

()

B3A3

b3

a3

T

DU

MP

RO

LLB

AC

K

UP

DO

WN

FLO

AT

ING

P

0.7L

PM

A

B

TSp.

T2

P B3

S3

T1PP

S2B2B1S1

G1

G2PS

C3

C5 C6

C4

C1

C2

A

B

P

T

FRONT

REAR

dump

rollback

RHLH

down

up

RH

PARKING

LH

2829

25

22223

24

20

211

2733

30

32

31

5

38

7

8

9 6 6

14

34

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


121314

Accumulator15

Bucket cylinder

16

18

202122

24252627


Cut off valve

19


Boom cylinder

Steering cylinder

23

89






Pressure filter28

30313233343536373839

29Fan motor(option)



Stop valve




M

PS

PS

PS

B1 A1 B2 A2

A3

T1

TP

PS1

B

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

A

B

DR A

B

DR

PS

A3 B3

a3

b3

LS

S1

S2

()

BUCKET

BOOM AUX.

P A1

B2A2

A2B1 B2 psta1

a2

b1

b2

T

X X

X

X

X

X

DU

MP

RO

LLB

AC

K

DO

WN

FLO

AT

ING

UP

BU

CK

ET

BO

OM

T/M

B2

L3L4

B1

L1L2S1 S2

X1 X2

T

P

LM

P1

T1

P2

T2

A1

A2

X1 X2

X3

S1

SP

P1

M T

T

A1

P1P

SP

S

3 1

2 4

S1 S2

A

B

TSp.

LH

FRONT

REAR

dump

rollback

RHLH

down

up

RH

PARKING

30

38

37

20

19

1616

15

17

18

18

27

2

26

2324

25

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)


Steering cylinder

Motor pump

Pressure sensor

Hydraulic tank


78

10

Boom cylinder111213

15161718

Accumulator

192021222324252627

Cut off valve

Bucket cylinder

Pressure switch


By pass valve

14 Line filter

282930313233


Accumulator

Brake valve

Pilot supply unit

Accumulator


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


121314

Accumulator15

Bucket cylinder

1617

192021

23242526


Cut off valve

18


Boom cylinder

Steering cylinder

22

89






27

29303132333435363738

28Fan motor(option)



Stop valve




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


8

Accumulator

14

Bucket cylinder

Cut off valve


Boom cylinder

Steering cylinder

9101112

LS compensating valve(option)Proportional valve(option)

13Shuttle valve




Pressure filter

Fan motor(option)



Stop 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


Steering cylinder

Motor pump

Pressure sensor

Hydraulic tank


78

10

Boom cylinder111213

15161718

Accumulator

192021222324252627

Cut off valve

Bucket cylinder

Pressure switch


By pass valve

14 Line filter

282930313233


Accumulator

Brake valve

Pilot supply unit

Accumulator


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


8

Accumulator

14

Bucket cylinder

Cut off valve


Boom cylinder

Steering cylinder

9101112


13Shuttle valve




Fan motor(option)



Stop valve(option)




Accumulator

Flow amplifier7 Controller(option)

Safety valve

151617

19202122

24252627

18

23

29303132333435363738

28

39

Joystick(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


Boom cylinder

Steering cylinder

9101112


13

Shuttle valve




Pressure filter

Fan motor(option)


Check valve(option)Ride control valve(option)Accumulator(option)

Quick couple cylinder(option)

Stop valve(option)




Flow amplifier7Controller(option)

Safety valve151617

19202122

24252627

18

23

29303132333435363738

28

39

Joystick(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


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


By pass valve

14 Line filter

282930313233


Accumulator

Brake valve

Pilot supply unit

Accumulator


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


Boom cylinder

Steering cylinder

9101112


13

Shuttle valve




Fan motor(option)


Check valve(option)Ride control valve(option)Accumulator(option)

Quick couple cylinder(option)

Stop valve(option)

Pressure sensor



Flow amplifier7Controller(option)

Safety valve151617

19202122

24252627

18

23

29303132333435363738

28

39

Joystick(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


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)


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


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


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)


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


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


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


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


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


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



Element

Return filter

Fan motor

Check block(opt 5)


Accumulator(opt 6)Quick couple cylinder(opt 7)Solenoid valve(opt 7)Boom lowering valve

Accumulator



FNR - joystick(opt 3)


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



Element

Return filter

Fan motor

Check block(opt 5)


Accumulator(opt 6)

Quick couple cylinder(opt 7)Solenoid valve(opt 7)Boom lowering valve

Accumulator



FNR - joystick(opt 8)


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


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~)


6789

1011

Steering unit

12Return filter

Bucket cylinder


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


TP

1B1A 2B2A2C 3B3A

LR

TP LS

P2

P3

P1 L


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~)


6789

1011

Steering unit

12Return filter

Bucket cylinder


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~)

preface 2016 - ce.hhi.co.krce.hhi.co.kr/eng/parts/chb/h-4.pdf · r16-9(#0001~) 31lp-0901020u-0931...

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