JLG 660SJ Parts Manual - Manual (Page 244)

6-6 600S 600SJ 660SJ 3121856
SECTION 6 HYDRAULIC
FIGURE 6-2. HYDRAULIC DIAGRAM - DRIVE & STEER (4WD/2WS) (SN 0300068000 TO SN
0300075606)
PO
RT
#
2
PO
RT
#
5
PO
RT #
6
PO
RT #
5
PO
RT #
2
PO
R
T
#
1
PO
RT
#
7
POR
T
#
4
POR
T
#
7
POR
T
#
1
P
O
R
T
#
3
16
15
FR
ONT & RE
AR
FL
OW D
IVI
DE
R
C2
C1
V
G1
RE
AR
AXL
E
FL
OW D
IVI
DE
R
C2
C1
V
G1
FRO
N
T
A
X
LE
FL
O
W
DIV
ID
E
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-SP
EE
D
2-S
P
E
E
D
BR
A
K
E V
A
L V
E
L
O
C
A
T
E
D I
N
EN
GINE
CO
MP
A
R
T
M
E
N
T
ITE
M
#
55 MUS
T BE
HO
SE
D B
E
TW
E
E
N
EX
IS
T
IN
G
(2
)
F
T G
’S
EX
IS
T ING
STR
F
T
G.
EXI
S
TIN
G
T
E
E
F
T G
.
FOR
W
A
R
D
RE
VER
S
E
RE
AR
P
O
R
T
REV
E
RS
E
RE
A
R
POR
T
SW
IV
EL PO
R
T
S
SW
IV
EL PO
R
T
S
REAR A
X
L
E
FRON
T AXLE
US
E
THE
C
A
SE
P
O
RT
L
O
C
A
TE
D
IN
TH
E M
ID
D
L
E
O
F
TH
E M
O
T
O
R ON
ALL 4
M
O
TO
RS
FRO
N
T
ST
EE
R
CY
L
’S
FRO
N
T
ST
EE
R
CY
L
’S
HY
D
.
BR
AK
ES
HY
D
.
BR
AK
ES
LEF
T
REAR
DR
IV
E M
O
TO
R
LEF
T
F
R
ONT
DR
IV
E
MO
TO
R
T
H
ES
E TW
O
F
L OW
/D
IV
ID
ER
S
A
R
E TH
E
SA
M
E
P
/N.
CA
S
E
DR
AI
N
CASE DR
AI
N
FRON
T
ST
EER
BR
A
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