JLG 660SJ Parts Manual - Manual (Page 236)

6-4 3120842
SECTION 6 HYDRAULIC
S
E
C
T
I
O
N
6
H
Y
D
R
A
U
L
I
C
FIGURE 6-2.HYDRAULIC DIAGRAM - DRIVE & STEER (4WD/2WS)
PO
RT
#
2
POR
T
#
5
POR
T
#
6
PO
RT
#
5
PO
RT
#
2
PO
R
T
#
1
PO
RT
#
7
POR
T
#
4
POR
T
#
7
PO
RT
#
1
P
O
R
T
#
3
16
15
FRO
N
T & RE
AR
FL
O
W
DI
VI
DER
C2
C1
V
G1
RE
AR A
X
LE
FL
OW DI
VI
DER
C2
C1
V
G1
FR
ONT AX
LE
F
L
OW
DI
VI
DE
R
C1
C2
V
G1
ST
EE
R
S
E
CT
ION
O
F
VA
L
V
E
B
A
N
K
A
S
S
Y
(F
RONT S
T
EE
R O
R
2-
W
H
EE
L
ST
EER
)
B A
C
S
B
A
C
S
B A
C
S
B A
C
S
C
C
2-S
P
E
E
D
2-S
P
E
E
D
BRA
K
E V
A
L
V
E
L
O
CA
TE
D
IN
EN
GIN
E
C
O
MP
A
R
TME
N
T
IT
EM #
55
M
U
S
T B
E
HO
S
E
D
B
E
T
W
EEN
EX
IS
TI
NG
(
2
) F
T
G
’S
EX
IS
T ING
ST
R
F
T
G.
EX
IS
TI
NG
TE
E F
T G.
FOR
W
AR
D
RE
VER
S
E
REA
R
P
O
R
T
RE
V
E
R
S
E
RE
AR PO
R
T
SW
IV
EL
PO
RT
S
SW
IV
E
L
P
O
RT
S
REAR A
X
L
E
FR
ONT AXL
E
US
E TH
E C
A
S
E
P
O
RT L
O
C
A
T
E
D
I
N
TH
E M
ID
D
L
E
O
F
TH
E
M
O
TO
R O
N
ALL 4 MO
T
O
R
S
FR
ONT
ST
EE
R
CY
L’
S
FR
ONT
ST
EE
R
CY
L’
S
HYD
.
BR
A
K
ES
HYD
.
BR
AK
ES
LEF
T
REAR
DR
IV
E MO
TO
R
LE
F
T
F
R
O
N
T
DRI
V
E
MO
TOR
TH
ES
E T
W
O
FL
O
W
/D
IVI
D
E
R
S
AR
E T
H
E
SA
M
E
P
/N
.
CASE DR
AI
N
CA
S
E
DRA
IN
FR
ONT
ST
EER
BRA
K
E
BR
A
K
E
25
7
11
72
5
12
47
10
29
36
9
52
54
66
54
66
44
43
45
25 24
21 15
20
1 5
1 5
17 17
15
15
14
13
18
19
26
13
15
4
48
49
53
30
28 46
77
52
3 28
1
7
3
1
4
0
5
9
4
0
5
9
3 28
3
7
3
8
1
3
1
9
1
3
1
5
4
2
1
5
5
8
50
56
57
3
5 3
4
34
25 51
37 38
5
7
3
9
21
55