JLG 660SJ ANSI Parts Manual - Manual (Page 284)

6-14 600S 600SJ 660SJ 3121178
SECTION 6 HYDRAULIC
FIGURE 6-5. HYDRAULIC DIAGRAM - STANDARD (SN 0300068000 TO SN 0300075606)
SW
ING
M
O
T
O
R
AND
B
R
AK
E
SW
IN
G
C/B V
A
L
V
E
SW
IV
E
L
PO
R
T
S
SW
IV
E
L
PO
R
T
S
EX
TE
N
D
-A
-R
E
A
C
H
CY
LI
ND
ER MAI
N
V
A
L
V
E
AS
S
Y.
MOTO
R
IS
NOT MARK
E
D
“
A
” & “
B
”
F A
CI
NG
THE
MO
TO
R
“
B
” I
S
ON
THE
LE
F
T
SI
D
E
.
EAR RETRACT
E
A
R E
X
TEND
REFER
T
O
DRI
V
E
C
IR
.
O
P
P
O
S
IT
E
S
ID
E
O
F
M
A
IN
V
A
L V
E
A
S
S
Y.
REFER T
O
DRI
V
E CI
R
.
REAR ST
E
E
R
REAR S
T
E
E
R
S
W
IV
E
L P
O
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2
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N
TELE
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T
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TE
LE RETRACT
ROT
A
TE
RIG
H
T
RO
T A
T E
L
E
F
T
LE VE L B AC K
B
V1
C1
V2
C2
S
A
BRA
K
E
54 57
8 54
8 54
36 37
36 41
44 45 46
44 45 46
26 28
72 52
72 22
59 39
96
49 50
17 18
5 16
26 27
2 77
67 19
95 45 46
1 88 89
1 88 89
43 42
33 34
65 85
56 58
90 91
45 46 60
55
53
56
56
39
RE
39
18
M
17
16
15
20
19
PO
RT
#7
PO
R
T
#1
PO
RT
#6
PO
RT
#5
PO
RT
#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
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“
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1
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TO THE
RO
D
END
OF
THE M
A
STE
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. POR
T
“
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2 ”
HOES TO
THE
PI
ST
O
N
EN
D
O
F
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E
MA
ST
ER CYL
. “
V
1
’ RETRACTS THE
CYL
INDE
R
, “
V
2”
EXTE
N
D
S T
H
E
CYLI
NDER
.
TELE
SCOPE
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T
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O
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E
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S
ID
E
V1
V1
V
1
O
U
T
O
U
T
IN
IN
V
2
V2
V2
E MD
R
T
63
36
36
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