SECTION 7 - BASIC ELECTRICAL INFORMATION & SCHEMATICS
7-20
– JLG Lift –
3121259
5
4
3
2
1
G
H
E
F
C
D
A
B
1
2
3
4
5
GENERIC
PLATFORM LEVEL
SW
1
0
5
1
3
2
4
5
6
GENERIC
PLATFORM ROTATE
SW
106
1
3
2
4
5
6
GENERIC
JIB LIFT
SW
10
7
1
3
2
4
5
6
GENERIC
TELESCOPE
S
W
10
8
1
3
2
4
5
6
G
E
NE
RI
C
LI
F
T
SW109
1
3
2
4
5
6
GE
N
E
R
IC
TOW
E
R
L
IFT
SW110
1
3
2
4
5
6
GE
N
E
R
IC
SW
IN
G
SW111
1
3
2
4
5
6
GE
N
E
R
IC
S
T
AR
T
/
AU
X PO
W
E
R
SW112
1
3
2
4
5
6
B
A
T
T
E
RY
CHA
RG
IN
G
G
E
NE
RIC
LB113
1
2
LO
W
F
U
E
L
GE
N
E
R
IC
LB114
1
2
GLO
W
P
L
U
G
S
GE
N
E
R
IC
LB115
1
2
L
O
W
O
IL
PR
ES
SU
R
E
GE
N
E
R
IC
LB116
1
2
HI C
O
O
L
A
N
T
T
E
M
P
G
E
NE
RIC
LB117
1
2
SY
S
F
A
U
L
T
G
E
NE
RIC
LB118
1
2
OV
E
R
LOA
D
G
E
NE
RIC
LB119
1
2
WHT 26-2 PLAT LVL DN
WH
T
26
-2 P
L
A
T
L
V
L
D
N
WHT
25
-2
P
L
A
T
L
V
L
U
P
WHT 25-2 PLAT LVL UP
W
H
T 2
3
-2
P
L
A
T
R
O
T L
F
T
WHT 23-2 PLAT ROT LFT
WHT 24-2 PLAT ROT RT
W
H
T 2
4
-2
P
L
A
T
R
O
T R
T
WH
T
27-
2
J
IB
UP
WHT 27-2 JIB UP
WHT 28-2 JIB DOWN
WHT
28-2
J
IB
DOWN
WHT
1
4
-2
T
E
LE
OU
T
WHT 14-2 TELE OUT
WHT 13-2 TELE IN
WHT
13-
2 T
E
LE
I
N
WHT 3-2 LIFT UP
WHT 3-2 LIFT UP
WHT 4-2 LIFT DN
WHT 4-2 LIFT DN
WHT 5-2 TWR LIFT UP
WHT 5-2 TWR LIFT UP
WHT 6-2 TWR LIFT DN
WHT 6-2 TWR LIFT DN
WHT 22-2 SWING RT
WHT 22-2 SWING RT
WHT 21-2 SWING LFT
WHT 21-2 SWING LFT
WHT 53-2 AUX / ENABLE
WHT 53-2 AUX / ENABLE
WHT 2-14 SWITCH IGN
WHT 2-14 SWITCH IGN
WHT 45-2 START
WHT 45-2 START
WHT 2-14-1 SWITCH IGN
WHT 2-14-1 SWITCH IGN
WHT 2-14-2 SWITCH IGN
WHT 2-14-2 SWITCH IGN
WHT 2-14-3 SWITCH IGN
WHT 2-14-3 SWITCH IGN
WHT 2-14-4 SWITCH IGN
WHT
2-
14
-4 S
W
IT
CH
I
G
N
WHT
2-
14
-5 S
W
IT
CH
I
G
N
WHT
2-1
4
-5
S
W
IT
CH I
G
N
WHT
2-14
-7
S
W
IT
CH
I
G
N
WHT
2-14
-7
S
W
IT
CH
I
G
N
WHT
2-14
-8
S
W
IT
CH
I
G
N
WHT
2-14
-8
S
W
IT
CH
I
G
N
WHT 46-3 ALT
WHT 46-3 ALT
WHT 0-17 LAMP GND
WHT 0-17 LAMP GND
WHT 39-7 LOW FUEL
WHT 39-7 LOW FUEL
WHT 48-2 GLOW PLUGS
WHT 48-2 GLOW PLUGS
WHT 65-1 LOW OIL PR
WHT 65-1 LOW OIL PR
WHT 65-2 HI TEMP
WHT 65-2 HI TEMP
WHT 66-2 SYS FAULT
WHT 66-2 SYS FAULT
WHT 57-2 OVERLOAD
WHT 57-2 OVERLOAD
H
O
UR M
E
T
E
R
GE
N
E
R
IC
GD121+
1
GD121-
1
WHT 32 HOUR METER
WHT 32 HOUR METER
WHT 0-17-1 LAMP GND
WHT 0-17-1 LAMP GND
WHT 0-17-2 LAMP GND
WHT 0-17-2 LAMP GND
WHT 0-17-3 LAMP GND
WHT 0-17-3 LAMP GND
WHT 0-17-4 LAMP GND
WHT 0-17-4 LAMP GND
WHT 0-17-5 LAMP GND
WHT 0-17-5 LAMP GND
WHT 0-17-6 LAMP GND
WHT 0-17-6 LAMP GND
WHT 0-17-7 LAMP GND
WHT 0-17-7 LAMP GND
CO66-J4
TO SHEET 4
CO66-J4
5
17
6
18
19
8
9
20
30
7
23
33
10
21
35
34
16
25
4
32
24
22
15
11
1
27
26
31
13
3
29
28
2
14
12
CRIB
B
ING
G
E
NE
RI
C
LB251
1
2
WHT 0-17-8 LAMP GND
WHT 0-17-8 LAMP GND
WHT 58-2 CRIBBING
WHT 58-2 CRIBBING
Figure 7-27. Electrical Schematic - Sheet 8 of 16
SHEET 5
Summary of Contents for 340AJ
Page 1: ...Service and Maintenance Manual Model 340AJ P N 3121259 June 27 2017...
Page 2: ......
Page 10: ...vi JLG Lift 3121259 TABLE OF CONTENTS SECTION NO TITLE PAGE NO Thispageleftblankintentionally...
Page 15: ...3121259 JLG Lift xi LIST OF FIGURES FIGURE NO TITLE PAGE NO Thispageleftblankintentionally...
Page 18: ...xiv JLG Lift 3121259 LIST OF TABLES TABLE NO TITLE PAGE NO Thispageleftblankintentionally...
Page 42: ...SECTION 2 GENERAL 2 12 JLG Lift 3121259 NOTES...
Page 69: ...SECTION 3 CHASSIS TURNTABLE 3121259 JLG Lift 3 27 Figure 3 24 Bearing Pressing Tool...
Page 71: ...SECTION 3 CHASSIS TURNTABLE 3121259 JLG Lift 3 29 Figure 3 27 Bearing Nut Wrench...
Page 134: ...SECTION 3 CHASSIS TURNTABLE 3 92 JLG Lift 3121259 NOTES...
Page 157: ...SECTION 4 BOOM PLATFORM 3121259 JLG Lift 4 23 Figure 4 8 Rotator Counterbalance Valve...
Page 218: ...SECTION 5 HYDRAULICS 5 58 JLG Lift 3121259 Figure 5 32 Fasteners and Plugs Sheet 1 of 2...
Page 219: ...SECTION 5 HYDRAULICS 3121259 JLG Lift 5 59 Figure 5 33 Fasteners and Plugs Sheet 2 of 2...
Page 236: ...SECTION 5 HYDRAULICS 5 76 JLG Lift 3121259 Figure 5 39 Gear Pump Cutaway...
Page 246: ...SECTION 5 HYDRAULICS 5 86 JLG Lift 3121259 Figure 5 40 Oil Sampling Port...
Page 256: ...SECTION 6 JLG CONTROL SYSTEM 6 10 JLG Lift 3121259 Figure 6 3 Ground Module Sheet 1 of 4...
Page 273: ...SECTION 6 JLG CONTROL SYSTEM 3121259 JLG Lift 6 27 Figure 6 16 Analyzer Machine Setup Menu...
Page 274: ...SECTION 6 JLG CONTROL SYSTEM 6 28 JLG Lift 3121259 Figure 6 17 Analyzer Calibrations Menu...
Page 336: ...SECTION 6 JLG CONTROL SYSTEM 6 90 JLG Lift 3121259 NOTES...
Page 368: ...SECTION 7 BASIC ELECTRICAL INFORMATION SCHEMATICS 7 32 JLG Lift 3121259 NOTES...
Page 369: ......