Figure 6-4. hydraulic diagram - standard, Hydraulic diagram - standard -10, Figure 6-4.hydraulic diagram - standard – JLG 660SJ Parts Manual User Manual
Page 242
6-10
3120842
SECTION 6
HYDRAULIC
S
E
C
T
I
O
N
6
H
Y
D
R
A
U
L
I
C
FIGURE 6-4.HYDRAULIC DIAGRAM - STANDARD
SW
IN
G
M
O
TO
R
AN
D B
R
AKE
SW
IN
G
C/
B V
A
L
V
E
SWIV
E
L
POR
T
S
SW
IV
EL
PO
R
T
S
EX
T
E
N
D
-A
-R
EA
C
H
CY
L
IN
D
E
R
MA
IN V
A
L
V
E
A
S
SY
.
M
O
T
O
R I
S
NO
T
M
A
R
K
ED
“
A
”
& “B
”
F
A
CI
N
G
TH
E
M
O
TOR
“B
” IS
ON
TH
E
LE
F
T
S
ID
E
.
E
A
R RE
T
R
AC
T
EA
R
E
X
TE
ND
RE
F
E
R
TO
DR
IV
E CI
R
.
O
P
P
O
S
IT
E
S
ID
E
O
F
M
A
IN
V
A
L
V
E
A
S
S
Y.
RE
F
E
R
TO
DR
IV
E
CI
R
.
RE
AR S
T
EE
R
REA
R
S
T
EE
R
S
W
IV
E
L
P
O
R
T
S
R
E
V
E
R
S
E
B
R
A
K
E
V
A
L
V
E
B
R
A
K
E
V
A
L
V
E
L
O
W
E
R
C
A
S
E
P
O
R
T
U
P
P
E
R
C
A
S
E
P
O
R
T
D
R
IV
E
P
U
M
P
F
IL
T
E
R
2
-S
P
E
E
D
V
A
L
V
E
F
O
R
W
A
R
D
FR
O
N
T
S
T
E
E
R
S
W
IN
G R
IGH
T
SW
IN
G
L
E
F
T
LIF
T
U
P
LI
F
T
D
O
W
N
TE
L
E
E
X
T
E
N
D
TE
LE RE
TRA
C
T
ROT
A
TE RI
GHT
ROT
A
TE LEF
T
LEV
EL
B
AC
K
B
V1
C1
V2
C2
S
A
BR
AKE
54 57
8 54
8 54
36 37
40 64
19 62
39 38
36 41
44 45 46
44 45 46
26 28
72 52
72 52
59 39
17 96
49 50
17 18
5 16
26 27
2 77
67 19
95 21 19
1 88 89
1 88 89
43 42
33 34
64 85
56 58
90 91
45 46 60
55
53
56
56
39
RE
39
18
M
17
16
15
20
19
PO
R
T
#7
POR
T
#1
PORT
#6
POR
T
#5
POR
T
#2
MP
MT
M3
P1
P
T
9
10
3
5
6
4
M4
4
3
13
14
12
11
33
17
75
56
76
76
36
15
81
19
19
80
80
19
3
2
1
X
S
A
T
B
17
2
5
1
7
1
9
7
9
21
2
0
8
4
A
B
2
4
4
7
2
3
4
2
5
1
4
9
4
8
S
U
C
T
IO
N
R
E
A
R
H
O
S
E
T
O
I
N
L
E
T
O
F
F
IL
T
E
R
MAN
U
AL
DES
C
ENT
VAL
V
E
**
NO
TE
**
DO
NO
T
C
L
O
S
E
TH
IS
K
N
OB
(
C
W
)
FO
R
N
O
R
M
A
L
OP
E
R
A
T
IO
N
O
F
UN
IT
. K
N
O
B
SH
OULD
B
E
I
N
TH
E O
P
EN
PO
S
IT
ION
(
C
CW
).
PO
RT
“V
1”
H
O
SES
TO
TH
E
ROD
END
O
F
T
H
E M
A
S
T
ER
CY
L
. P
O
R
T
“
V
2
”
HO
ES
TO
TH
E
P
IS
T
O
N
E
N
D
OF
T
H
E
M
A
S
T
E
R
C
Y
L
. “
V
1
’
R
E
TRA
C
TS
T
H
E
CY
LI
NDE
R
, “V
2
” EX
T
E
N
D
S
T
H
E C
Y
L
IND
ER
.
40
C
PP
T
V
TE
LE
SC
O
P
E
CYLIND
E
R
ROT
A
TO
R
ACT
U
A
T
O
R
MA
STE
R
CYL
.
S
L
A
V
E
C
Y
L
.
LE
V
E
L
FO
RW
A
R
D
A
U
X
P
U
M
P
G
E
A
R
P
U
M
P
S
U
C
T
IO
N
P
IS
T
O
N
P
U
M
P
S
U
C
T
IO
N
A
U
X
.
P
U
M
P
S
U
C
T
IO
N
C
A
S
E
P
O
R
T
G
E
A
R
P
U
M
P
R
E
T
U
R
N
F
IL
T
E
R
H
Y
D
R
A
U
L
IC
O
IL
T
A
N
K
P
O
R
T
L
O
C
A
T
E
D
O
N
B
A
C
K
O
F
F
IL
T
E
R
O
U
T
L
E
T
S
ID
E
V1
V1
V1
O
U
T
O
U
T
IN
IN
V
2
V2
V2
E
MD
R
T
63
36
36
39
8
39
8
33 35
4 78
6 7
1
3
1
4
3
1
3
2
72
71
82
66
80
80
8
83
93
3
5
5
8
7