JLG 600SC_660SJC Service Manual User Manual
Page 317
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SECTION 9 - JLG CONTROL SYSTEM
3121157
– JLG Lift –
9-21
F
R
O
M
L
O
A
D
S
Y
S
T
E
M
:
L
O
A
D
S
E
N
S
O
R
:
4
U
N
D
E
R
P
L
A
T
F
O
R
M
F
U
N
C
T
I
O
N
C
U
T
O
U
T
:
N
O
G
R
O
U
N
D
A
L
A
R
M
:
N
O
D
R
I
V
E
:
4
W
D
L
O
A
D
S
E
N
S
O
R
:
1
O
N
R
O
T
A
T
O
R
F
U
N
C
T
I
O
N
C
U
T
O
U
T
:
B
O
O
M
C
U
T
O
U
T
F
U
N
C
T
I
O
N
C
U
T
O
U
T
:
D
R
I
V
E
C
U
T
O
U
T
F
U
N
C
T
I
O
N
C
U
T
O
U
T
:
D
R
I
V
E
C
U
T
E
&
T
G
R
O
U
N
D
A
L
A
R
M
:
D
R
I
V
E
G
R
O
U
N
D
A
L
A
R
M
:
D
E
S
C
E
N
T
G
R
O
U
N
D
A
L
A
R
M
:
M
O
T
I
O
N
D
R
I
V
E
:
2
W
D
D
R
I
V
E
:
2
W
D
W
/
2
-
S
P
E
E
D
T
E
M
P
E
R
A
T
U
R
E
:
C
L
E
A
R
S
K
Y
:
C
R
I
B
B
I
N
G
O
P
T
I
O
N
:
C
E
L
S
I
U
S
N
O
N
O
T
E
M
P
E
R
A
T
U
R
E
:
C
L
E
A
R
S
K
Y
:
C
R
I
B
B
I
N
G
O
P
T
I
O
N
:
F
A
H
R
E
N
H
E
I
T
Y
E
S
Y
E
S
D
R
I
V
E
C
O
N
T
R
O
L
:
N
O
R
M
A
L
D
R
I
V
E
C
O
N
T
R
O
L
:
D
R
I
V
E
C
O
N
T
R
O
L
:
P
R
O
P
U
L
S
I
O
N
E
N
H
A
N
C
E
D
Fi
gu
re
9-1
7
.
An
aly
z
e
r Flow Chart
, V
e
rsion
6.
X Softw
a
re
- Shee
t 5
of
6
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