![JLG 340AJ Service And Maintenance Manual Download Page 357](http://html1.mh-extra.com/html/jlg/340aj/340aj_service-and-maintenance-manual_2020028357.webp)
SECTION 7 - BASIC ELECTRICAL INFORMATION & SCHEMATICS
3121259
– JLG Lift –
7-21
A
B
C
D
E
F
G
H
8
7
6
5
4
4
5
6
7
8
GENERIC
TELESCOPE
SW
108
1
3
2
4
5
6
GE
N
E
R
IC
LI
F
T
SW109
1
3
2
4
5
6
GE
N
E
R
IC
TO
W
E
R
L
IF
T
SW110
1
3
2
4
5
6
GE
N
E
R
IC
SW
IN
G
SW111
1
3
2
4
5
6
G
E
NE
RI
C
S
T
AR
T
/
AU
X P
O
W
E
R
SW112
1
3
2
4
5
6
B
A
T
T
E
R
Y
CH
A
R
G
ING
G
E
NE
RI
C
LB113
1
2
LO
W
F
U
E
L
GE
N
E
R
IC
LB114
1
2
GL
OW
P
L
U
G
S
GE
N
E
R
IC
LB115
1
2
L
O
W
O
IL
P
R
ESSU
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
RI
C
LB117
1
2
SYS F
A
U
L
T
G
E
NE
RIC
LB118
1
2
OV
E
R
LO
A
D
GE
N
E
R
IC
LB119
1
2
W
H
T 1
4
-2
TE
L
E
O
U
T
W
H
T
1
3
-2
T
E
L
E
IN
WHT 3-2 LIFT UP
WHT 4-2 LIFT DN
WHT 5-2 TWR LIFT UP
WHT 6-2 TWR LIFT DN
WHT 22-2 SWING RT
WHT 21-2 SWING LFT
WHT 53-2 AUX / ENABLE
WHT 2-14 SWITCH IGN
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
W
H
T
2
-1
4
-4
SW
IT
CH
IG
N
W
H
T
2
-1
4
-5
SW
IT
CH IG
N
WHT 46-3 ALT
WHT 0-17 LAMP GND
WHT 39-7 LOW FUEL
WHT 48-2 GLOW PLUGS
WHT 65-1 LOW OIL PR
WHT 65-2 HI TEMP
WHT 66-2 SYS FAULT
WHT 57-2 OVERLOAD
HO
UR
M
E
T
E
R
GE
N
E
R
IC
GD121+
1
GD121-
1
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
KEY SWITCH
GENERIC
SW123-1
1
SW123-B
1
SW123-3
1
SW123-2
1
SW123-B1
1
SW123-4
1
WHT 2-4 PLAT MODE
WHT 2-4 PLAT MODE
WHT 2-1 GND EMS 12AWG
WHT 2-1 GND EMS 12AWG
WHT 2-5 GND MODE
WHT 2-5 GND MODE
WHT 2-6 PLAT MODE
WHT 2-6 PLAT MODE
WHT 2-3 GND EMS 12AWG
WHT 2-3 GND EMS 12AWG
WHT 2-2 GND EMS 12AWG
WHT 2-2 GND EMS 12AWG
RED 1-4-1 B+ 12AWG
RED 1-4-1 B+ 12AWG
RED 1-4-2 B+ 12AWG
RED 1-4-2 B+ 12AWG
X22
TO SHEET 4
X22
1
2
3
4
X23
TO SHEET 4
X23
1
2
3
4
GENERIC
EMERGENCY
STOP SWITCH
2B AND 2B2 ARE TERMINATED
AT THE SAME LOCATION
SW238-1A
1A
SW238-2A
2A
SW238-1B
1B
SW238-2B
2B
SW238-2B2
2B2
CRI
B
B
IN
G
G
E
NE
RI
C
LB251
1
2
WHT 0-17-8 LAMP GND
WHT 0-17-8 LAMP GND
WHT 58-2 CRIBBING
GE
N
E
R
IC
C
R
IB
B
IN
G
EN
ABL
E
(
O
PT
IO
N
)
SW327
1
3
2
4
5
6
T331
TO SHEET 8 X308 POS 1
1
T330
TO SHEET 4 X166 POS 4
1
WHT 49-1 CRIBBING
WHT 49-1 CRIBBING
WHT 2-23 CRIBBING PWR
WHT 2-23 CRIBBING PWR
COMPLETE ESTOP LOADING
1A: 1-4-1 B+
1A2: 1-9-1 B+ (TO DIAGNOSTIC CONNECTOR)
1B: 1-4-2 B+
1B2: 1-11 B+ (TO SECURITY LOCK)
2A: 2-3 GND EMS
2A2: 2-24 IGN (TO GENERATOR)
2B: 2-1 GND EMS
2B2: 2-2 GND EMS
Figure 7-28. Electrical Schematic - Sheet 9 of 16
1001119638-G
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: ......