JLG 450A_AJ Series II Parts Manual - Manual (Page 344)

6-10 450A & 450AJ Series II 3121244
SECTION 6 HYDRAULIC
FIGURE 6-4.DRIVE HYDRAULIC DIAGRAM - 4WD
X
C
A
S
E
D
R
A
IN
F
O
R
W
A
R
D
R
E
V
E
R
S
E
2
-SP
EED
-
BR
A
K
E
V
A
L
V
E
D
R
IV
E
P
U
M
P
F
IL
T
E
R
I
N
L
E
T
R
E
T
U
R
N
F
IL
T
E
R
IN
H
Y
D
R
A
U
L
IC
O
IL
T
A
N
K
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
C
A
S
E
P
O
R
T
P T
B
S
L1
M4
B A
L
2
M
5
X
X
X
LEF
T
F
R
O
N
T
DRI
V
E
MO
T
O
R
RIG
H
T FRON
T
DRIV
E
M
O
TOR
LE
F
T
R
E
AR
DR
IV
E MO
T
O
R
8
29
3
12
7
10
4
5 1 6
A
C
C
S
B A
S
C
C
B
BR
A
K
E
BR
A
K
E
A B
S
C
C
C
C
S
A B
RI
G
H
T REA
R
DR
IV
E M
O
T
O
R
NO
T
E
:
C
A
S
E
DRA
IN A
N
D
TWO
S
P
EED
L
O
C
A
TE
D ON
E
N
D
C
A
P O
N
DR
IV
E
NOTE
: CAS
E
DR
A
IN
AND T
W
O SP
EE
D
LO
C
A
T
E
D
O
N
E
N
D
CA
P ON
DRI
V
E
RE
F.
L
O
C
K
O
U
T
CI
R
.
11 13
47 47
47
47
8
20
19
11
18
36
2
1
3 3
10
14
7
7
15 15
14
10
2
1
3 3
21
16
22
3 3
4
5
17
7
7
46 3
3
4
5 17
17
45
9 35
10
30
6
27
33
31
28
12
26
25
41
1
3
32
29
X
X
X X
X
34
22
22
22
21
21
21
X
X
X
X
23
37
3
9
38
40
4
2
14
5
5
5
5
2
44
9
44
2
2
2
CA
SE D
R
AIN
MANI
FOLD
F
L
O
W
DI
V
IDE
R