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F-7
WIRING DIAGRAM
F-7
DX450 (RED-D-ARC)
NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual. The specific diagram for a particular code is included
with the machine. If the diagram is illegible, write to the Service Department for a replacement. Give the equipment code number.
CB6
10A
42A
42
RECTIFIER BRIDGE
42A
41A
41
START
BUTTON
206A
206S
208A
+
50MV=400AMPS
W4 & W5
W2 & W3
W1 & W6
204S
STATOR 42V WINDING
G6260
208
31
32
4B
21
77B
21
2B
75B
GND-A
41A
42A
76B
115VAC
CONTACTOR
WORK
42VAC
GROUND
14 PIN REMOTE
206C
J
A
D
C
H
B
K
E
F
G
I
I
A
B
C
76B
77B
3 PIN REMOTE
77A
76A
75A
75B
-
+
23
25
41A
NEUTRAL STUD ON
AUXILIARY POWER
RECEPTACLE PANEL
AUXILIARY POWER LEADS PASS THROUGH
TOROID THREE TIMES IN DIRECTION INDICATED
B2-POS
B4-NEG
B4-NEG
B5-POS
B1-NEG
B2-POS
CHOPPER
PCB3
13C
14
260
261
B6
B5
B4
B1
B2
B3
B8
B7
GROUNDED BY
MOUNTING
GND-J
GND-A
31
5H
GND-J
5A
5
GND-C
GND-D
GND-E
50A
3 POLE
CB1
5D
STATOR AUXILIARY WINDINGS
GND-L
5
3
5A
6A
J13
6
6A
B5-POS
B1-NEG
L1 CHOKE
BYPASS FILTER
ASSEMBLY
SWITCH CONTACTS
SHOWN IN "+"
POSITION
REMOTE
CONTROL
REMOTE
CONTROL
VOLTMETER
AMMETER
M1
M2
M3
M4
M5
M6
M9
M10
M1
M2
M3
M4
M5
M6
M9
M10
1
5
220
VOLT METER
M1
M2
M3
M4
M5
M6
M9
M10
1
5
AMMETER
M1
M2
M3
M
4
M5
M6
M
9
M
10
25
23
VRD WELD BOARD
278
279
277
2
1
204S
206S
208C
2
56
260
214
PCB1
1
8
619
J7
J3
1
9
16
8
1
6
7
12
1
16
9
8
6
10
J4
J5
6
10
CONTROL, MODE SEL.
CHOPPER, POWER, PWM, THERMAL
13
14
77
76
75
2
4
75A
76A
77A
J6
SHUNT
J1
AMPHENOL,I.D.
J2
ENGINE,PERIPHERAL
ALT
244
243
232K
232B
232C
232C
OIL
PRESSURE
241
228
5L
229
232B
COOLANT
TEMPERATURE
232K
5K
4
1
J51
12 VOLT GROUND STUD
ON UPPER CONTROL PANEL
5L
5U
1GV
5J
5K
RUN/STOP
SWITCH
SHOWN IN
"RUN" POSITION
238B
236C
CB5
10A
236B
STOP
RUN
238A
231A
SENSOR
SENSOR
FUEL LEVEL
SENSOR
WK
28GV
262
5J
229
228
241
G
27GV
SWITCH
SWITCH
OIL PRESSURE
SENSOR & SWITCH
COOLANT TEMPERATURE
SENSOR & SWITCH
-
+
-
+
201
BRUSH
ROTOR
4200MFD
BRUSH
201A
200A
201
300V
200B
5G
257
2
61
18GV
ACTUATOR
34GV
20GV
ENGINE SPEED
SENSOR
17GV
FUEL
SHOWN IN
"HIGH" POSITION
IDLER
CONTROL
SWITCH
AUTO
HIGH
257
256
HOUR METER
2A
4A
4
2
WELDING TERMINAL
CONTROL SWITCH
SHOWN IN "ALWAYS ON" POSITION
218
222
4
GND-C
120/240V
J10
X
Y
Z
X
W
Y
GND-L
5G
3C
STATOR
WELD
WINDINGS
W6
W6
W1
W1
W4
W5
W4
W5
W3
W3
W2
W2
4
240V
3PH
3B
6C
4A
ENGINE BLOCK
+
12V BATTERY
238
-
+
STARTING
MOTOR
STARTER
SOLENOID
ALTERNATOR
234A
238A
1
9GV
5P
4
05
9GV
6
3
D+
232I
GLOW PLUG
BUTTON
GLOW
PLUGS
239
238C
+
-
15GV
GROUND STUD IN UPPER CONTROL PANEL
W
31
5D
3D
16GV
25
23
279
R2
277
77
76
R1
278
ARC CONTROL
75
CCW
OUTPUT CONTROL
CCW
10K
10K
VIEWED
FROM
BACK
VIEWED
FROM
BACK
13A
15
R4
6A
5H
200
POSITIVE BRUSH CONNECTED TO
SLIP RING NEAREST TO THE
LAMINATION
236D
+
232F
-
6GV
206
208D
POS-SHUNT
POS-SHUNT
WELDING OUTPUT
TERMINAL
WELDING OUTPUT
TERMINAL
B3 CHOKE
B6 CHOKE
GND-K
GND-K
GROUND STUD ON AUXILIARY
POWER RECEPTACLE PANEL
5P
6D
4A
3C
6C
GENERATOR SUPPORT
ALL CASEFRONT COMPONENTS SHOWN VIEWED FROM REAR
ELECTRICAL SYMBOLS PER E1537
DX450 (RED-D-ARC) WIRING DIAGRAM
13
14C
216
215
215
216
298
VRD
ON
OFF
VRD
GREEN
298
297
VRD
RED
296A
299
10
5
1
6
1
3
6
4
VRD DISPLAY
PCB4
208B
206B
13C 14C
250
250
J61 J60
296
296
296A
208B
GND-M
GND-M
32A
13C
13
400
FERRITE
NOTE:
FERRITE ON
LEADS 75A & 76A
(3 TURNS)
FERRITE
FERRITE ON
TWISTED PAIR
4 TURNS
206A
206B
WIRE FEEDER
VOLTMETER
SWITCH
208A
208C
R
3
200N
200
232
232F
5M
232I
232H
2
44
31GV
262
2
00N
2
43
232
6D
6E
238B
OIL
PRESSURE
B
S
12GV
230
26GV
L
1G
13GV
5U
WATER TEMP
SENSOR
3
4
2
1
232H
232H
230
7GV
9GV
17GV
16GV
7GV
15GV
6GV
13GV
12GV
2GV
1GV
34GV
31GV
20GV
28GV
19GV
27GV
18GV
26GV
ENGINE CONTROL UNIT
W
20A
GFCI
MODULE
20A
GFCI
MODULE
B
W
B
W
W
W
W
B
B
W
LINE
LOAD
LINE
LOAD
20A
CB2
20A
CB3
3D
6E
32A
GND-E
SLIVER
J11
J12
SILVER
GND-D
5M
110
18
26
9
17 25
34
231
231
236C
CC
222
10
CV
2
217
220
218
GOUGE
3
PIPE
MODE SELECTOR
SWITCH S5
4
214
TIG
1
A
262A
217
400A
400A
400A
A.03
LEAD NOT USED
ON THIS MACHINE