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JLG 4394RT Parts Manual User Manual

Page 170

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6-2

3394RT & 4394RT

3121250

SECTION 6 HYDRAULIC

FIGURE 6-1. STANDARD HYDRAULIC DIAGRAM - STANDARD (REXROTH DRIVE

COMPONENTS) (SN 0200191606 TO SN 0200207753)

56

56

59

56

56

34

59

38

58

34

35

34

35

34

34

56

31

30

34

31

43

36

56

31

34

31

30

43

41

41

49

36

57

29

36

43

29

57

36

39

35

43

3

4

2

6

2

7

2

7

3

2

7

3

4

2

6

2

5

3

3

4

2

7

7

0

6

9

7

1

6

8

6

7

5

2

4

4

4

4

0

1

2

1

1

5

1

2

1

2

2

1

45

45

52

34

52

34

34

54

36

34

39

6

9

2

8

2

34

38

17

53

10

18

19

34

13

37

7

16

15

10

10

8

60

55

55

1

14

61

23

41

20

20

42

12

50

1

LE

F

T

L

E

F

T

RI

GHT

R

IG

H

T

POR

T

A

POR

T

A

POR

T

B

FL

O

W

D

IV

IDE

R

10

6

8

B2

B1

S2

S

1

L

2

L

1

2

S

2

2

S

1

LO

MA

IN

VA

L

V

E

AX

LE L

O

CK

OU

T C

Y

LIND

E

R

S

P3

PP

VV

T

3

P2

T

2

T

4

P1

T

1

R

F

G

GEA

R

PU

M

P

POR

T

M3

PO

RT

MB

PO

RT B

SUC

T

IO

N

PO

RT S

PO

R

T

A

PORT MA

PO

RT

L1

CAS

E

DRAI

N

FI

L

T

ER

PO

RT E

(R

E

T

U

R

N

)

CHAR

G

E

PU

M

P

FI

L

T

E

R

FI

L

T

E

R

PO

RT F

(O

U

T

)

MP1

M

S

11

12

9

4

2

1

13

3

7

5

PO

R

T

B

P

O

R

T

B

P

O

R

T

B

P

O

R

T

A

P

O

R

T

A

REAR AXLE

F

R

O

N

T

A

X

L

E

USE ENDC

A

P

PO

R

T

S

F

O

R

CA

S

E

DR

AI

N

& 2

S

P

E

E

D

U

S

E

E

N

D

C

A

P

P

O

R

T

S

F

O

R

C

A

S

E

D

R

A

IN

&

2

S

P

E

E

D

N

O

T

E

:

F

O

R

C

IR

C

U

IT

T

R

O

U

B

L

E

S

H

O

O

T

IN

G

R

E

F

E

R

T

O

H

Y

D

R

A

U

L

IC

S

C

H

E

M

A

T

IC

IN

S

E

R

V

IC

E

M

A

N

U

A

L

BR

A

K

E

PO

R

T

X3

B

R

A

K

E

P

O

R

T

X

3

S

T

E

E

R

C

Y

L

IN

D

E

R

L

IF

T

C

Y

L

IN

D

E

R

BRA

K

E

PO

RT

X3

B

R

A

K

E

P

O

R

T

X

3

M

A

IN

V

A

L

V

E

R

E

T

U

R

N

H

Y

D

R

A

U

L

IC

T

A

N

K

A

U

X

P

U

M

P

S

U

C

T

IO

N

G

E

A

R

P

U

M

P

S

U

C

T

IO

N

A

X

IA

L

P

U

M

P

S

U

C

T

IO

N

A

X

IA

L

P

U

M

P

C

.D

.

M

O

T

O

R

C

.D

.

HYD

R

A

U

LIC

BRA

K

E

S

H

Y

D

B

R

A

K

E

S

BR

AK

E P

O

R

T

S

LO

C

A

T

E

D

O

N

IN

S

ID

E

F

A

C

E

OF HU

B

CAS

E

PO

R

T

L2

C

A

S

E

P

O

R

T

L

2

C

A

S

E

P

O

R

T

L

2

CAS

E

PO

R

T

L2

CO

N

T

R

O

L

PORT X

SHI

F

T TO

MIN.

ANGLE

C

O

N

T

R

O

L

P

O

R

T

X

S

H

IF

T

T

O

M

IN

.

A

N

G

L

E

C

O

N

T

R

O

L

P

O

R

T

X

S

H

IF

T

T

O

M

IN

.

A

N

G

L

E

CON

T

ROL

PORT X

S

H

IF

T TO

MI

N

. A

N

G

L

E

L

O

C

A

T

E

D

A

T

H

O

L

E

I

N

F

R

A

M

E

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