JLG 25AM Service And Maintenance Manual page 85

SECTION 3 - TROUBLESHOOTING
1
T299-9
D
WHT 6
1
T301-10
BLK 5
1 10
100VAC WIRING
C
BLK 5
WHT 8
WHT 8
WHT 6
B
240VAC WIRING
A
1
3-18
2
100/110VAC-VDC
TRANSFORMER
Primary Secondary
T290-0
0VAC 0V WHT 5 WHT 5
9
0 1
BLK 7
6V
1 T296-2
12V BLK 7
2 1
100VAC 15V
3
20V
4
110VAC 24V
11
5
115/230V-12VDC
TRANSFORMER
1 5
T263-1 T272-5
BLK 7
1 1
BLK 8
Primary Secondary
2 6
T267-2 T274-6
BLK 8
1 1
3 7
T268-3 T269-7
WHT 5
1 1
WHT 9
T261-4 4 8 T271-4
WHT 9
1 1
2
Figure 3-12. Electrical Schematic - Sheet 6 of 10
3
RECTIFIER
GRN 5
T291-AC
T289-(DC-)
AC
-
GRN 4
1 1
BLK
1 1
T297-AC AC +
T294-(DC+)
1 +12V DC
2 LIFT UP
3 LIFT DOWN
4 E-STOP
RECTIFIER
T273-AC
AC
BLK 7
1
WHT 5
1
AC
T270-AC
1 +12V DC 5 115/230VAC LINE
2 LIFT UP 6 115/230VAC NEUT
3 LIFT DOWN 7 GND
4 E-STOP 8 GND
3
4
IP293
BLK
GRN 4
GRN 6
1
GRN 6
T288-7
GRN 7
1
T287-8
BLK
1
T295-1
5 115/230VAC LINE
6 115/230VAC NEUT
7 GND
RED 3
8 GND
1
T292-2
GROUND STUD
GRN 5
T252-(DC-)
-
GRN 4
1
IP265
BLK BLK
1
5A
+
T264-(DC+)
GRN 4
GRN 6
1
GRN 6
T250-7
GRN 7
1
T248-8
BLK
1
T266-1
GRN
1
T279-7
RED 3
1
T256-2
4
5
BLK
5A
SHEET 4
5
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