Figure 6-13. standard hydraulic diagram, Figure 6-13, Standard hydraulic diagram – JLG 460SJ Parts Manual User Manual

Page 314

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6-34

400S 460SJ

3121236

SECTION 6 HYDRAULIC

FIGURE 6-13.

STANDARD HYDRAULIC DIAGRAM

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

M

A

IN

V

A

L

V

E

T

O

P

VI

EW

M

A

IN

V

A

L

V

E

FR

ON

T V

IEW

M1

PSI.

C

H

E

CK MA

IN

M2

PS

I.

CHECK

M

A

IN

S

W

IV

E

L

P

O

R

T

S

P

O

R

T

#

1

B

R

A

K

E

S

2

-S

P

E

E

D

P

O

R

T

#

2

C

A

S

E

D

R

A

IN

P

O

R

T

#

7

F

O

R

W

A

R

D

P

O

R

T

#

6

R

E

V

E

R

S

E

P

O

R

T

#

5

CH

A

R

G

E

PR

E

S

S

U

R

E

FI

L

T

R

A

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IO

N

PO

R

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T

L

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ON

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IL

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D

R

IV

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F

IL

T

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IN

L

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SI

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RE

TU

R

N

FI

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IN

H

Y

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P

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T

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AU

X

.

PUM

P

SUCTION

AUX

. P

U

MP

GE

A

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PU

M

P

IN

OU

T

**

NO

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**

P

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RT

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V

1"

RE

TR

AC

TS

TH

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CYL.

P

O

RT

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V

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EX

TE

NDS

T

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Y

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SLA

V

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CY

L

.

M

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CYL

.

M

A

IN

V

A

L

VE

SIDE

VIEW

LEVE

L

F

O

R

W

ARD

LE

VE

L

BACK

FR

EE

FLO

W

FR

EE

FL

O

W

V1

V2

V2

V1

RO

T

A

T

O

R

AC

TUA

T

O

R

TELESCO

PE CYL.

HOL

D

IN

G V

A

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V

E

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T

#4

PO

RT

#3

SW

IV

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L

PO

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T

S

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ON

T

S

T

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F

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ONT

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L

IFT

UP

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N

L

IFT

CY

L

.

V2

V1

12

11

10

9

1

2

8

7

5

6

4

3

P2

P1

MT

SW

IN

G

R

IGH

T

SWING LEF

T

PSI.

CHEC

K

SWI

N

G

MS

PS

I.

CHE

CK

S

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M5

PSI. CHEC

K

LEVEL

M4

M3

PSI. CHECK L

E

VEL.

MAIN V

A

L

VE

B

O

TT

OM

VIEW

PS

I. C

H

ECK

P

O

RTS

U

SE I

T

EM

S

L

1

M

4

B

A

L

2

M

5

ROT

AT

E

RIG

HT

ROT

AT

E

LEFT

TELE

EXTEND

TELE

RE

TRACT

RE

F

E

R T

O

DR

IV

E C

IR

.

X

X

2

-S

P

E

E

D

-

B

R

A

K

E

V

A

L

V

E

P

T

B

S

18

49

29

6

8

49

68

4

6

13

1

4

1

2

1

5

4

7

34

48

7

45

16

1

6

4

2

4

1

4

4

2

9

4

3

1

1 1

1

1

0

2

4 6

6

1

7

5

0

51

52

52

54

54

5

5

22

32

22

57

57

38

38

56

55

13

13

9

53

25

3

3

3

3

22

22

5

X

X

SW

IN

G M

O

T

O

R

A

ND BR

AKE

B1

A

1

L1

31

31

3

3

59

61

27

18

60

58

5

40

39

39

21

21

36

35

21

30

67

1

37

6

6

6

4

7

G

E

A

R

P

U

M

P

S

U

C

T

IO

N

50

E

X

T

E

N

D

-A

-R

E

A

C

H

C

Y

L

N

D

E

R

1

7

1

8

P

S

I.

C

H

E

C

K

J

IB

R

E

3

7

1

9

4

2

0

6

3

6

4

6

5

6

2

NOTE: FOR APPLICATION - SEE USAGE CHART ON PARTS LIST

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