Table des Matières
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CAVITY NUMBERING SEQUENCE
(COMPONENT SIDE OF P.C. BOARD)
1
1
1
3
1
4
J1
J4
J6
J8
J9
J7
J12
4
6
5
8
6
2
1
6
1
7
1
J3
J2
J5
9
7
12
8
14
J10
10
1
**
GUN
J11
J11
TRIGGER
1
324
1
2
325
2
325
3
3
324
4
4
L1
L1
L1
L1
L2
L2
L2
L2
H3
H3
H3
H3
H3
H4
H4
H4
H4
H4
L1
L1
L1
L1
L1
L2
L2
L2
L2
L2
H2
H2
H2
H2
H2
TO SINGLE PHASE
SUPPLY LINE
230V
230V
230V
230V
230V
208V
208V
208V
208V
208V
H1
H1
H1
H1
H4
H4
H4
H4
W
W
W
W
W
B
B
B
B
B
RECONNECT
RECONNECT
RECONNECT
RECONNECT
RECONNECT
PANEL
PANEL
PANEL
PANEL
PANEL
G
LINE
LINE
LINE
LINE
SWITCH
SWITCH
SWITCH
SWITCH
S1
S1
S1
S1
TO GROUND PER
NATIONAL ELECTRICAL
CODE
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 pasted
inside the machine on one of the enclosure panels. If the diagram is illegible, write to the Service Department for a replacement. Give the equipment code number..
PO WER
PO
WER MIG
MIG 255 (20
255 (20 8 8 / / 230
NOTES:
GENERAL INFORMATION
N.A. WELDING CABLE MUST BE OF PROPER CAPACITY FOR THE
ELECTRICAL SYMBOLS PER E1537
CURRENT AND DUTY CYCLE OF IMMEDIATE AND
FUTURE APPLICATIONS.
COLOR CODE:
N.B. THIS DIAGRAM SHOWS THE "ELECTR ODE" POLARITY
B - BLACK
"POSITIVE". TO CHANGE POLARITY, TURN THE UNIT
W - WHITE
OFF AND REVERSE LE AD CONNECTIONS AT CABLE
R - RED
5
CONDUCTOR STRAP AND WORK STUD.
U - BLUE
INDICATES CONNECTOR CAVITY NO.
**
10
CAVITY
NUMBERING SEQUENCE
8
(NON-LEAD SIDE OF CONNECTOR)
16
1
2
J11
3 4
354
354
354
209R
209R
209R
209R
208R
208R
208R
208R
D2
SECONDARY VOLTAGES S HOWN
BAFFLE
ARE NO LOAD RMS VALUES
MOUNTED
RECTIFIER
X8
X8
DIODE
BRIDGE
116.6V
X9
X9
X5
X5
14.2V
X6
X6
14.2V
208S
208S
208S
208S
208S
208S
X7
X7
H1
X1
G1
G1
G1
G1
G1
G1
SCR 1
SCR 1
SCR 1
SCR 1
SCR 1
28.4V
204S
204S
204S
204S
204S
204S
SCR HEATSINK
SCR HEATSINK
SCR HEATSINK
SCR HEATSINK
SCR HEATSINK
SCR HEATSINK
X2
ASBLY
ASBLY
ASBLY
ASBLY
ASBLY
ASBLY
H2
X3
SCR 2
SCR 2
SCR 2
SCR 2
SCR 2
SCR 2
28.4V
X4
G2
G2
G2
G2
G2
G2
H1
H1
H1
H1
209S
209S
209S
209S
209S
209S
H3
POWER
POWER
POWER
TRANSFORMER
TRANSFORMER
TRANSFORMER
D1
206S
C1
C2
C3
C1 THRU C3
+
+
+
31,000 MFD
50V
POWER FACTOR
ENHANCEMENT
CHOKE
230 V V CODE 10990 AND ABOVE)
CODE 10990 AND ABOVE)
J10
1
1
1
1
1
R4
R4
R4
R4
R4
R4
R4
R4
256
256
256
256
256
256
256
256
256
256
253
253
253
253
253
253
253
253
253
254
254
254
254
254
254
254
254
254
ARC
ARC
ARC
ARC
ARC
ARC
ARC
ARC
VOLTAGE
VOLTAGE
VOLTAGE
VOLTAGE
VOLTAGE
VOLTAGE
VOLTAGE
VOLTAGE
R
U
B
B
W
W
B
T
WIRE
R
A
DRIVE
U
MOTOR/
C
B
GEARBOX
H
206
205
206B
15 OHMS
100 W
204B
OUTPUT
CHOKE
F-3
DISPLAY
DISPLAY
DISPLAY
DISPLAY
DISPLAY
BOARD
BOARD
BOARD
BOARD
BOARD
352
352
FAN
MOTOR
353
353
254A
254A
254A
254A
254A
254A
254A
254A
254A
R3
R3
R3
R3
R3
R3
R3
R3
251
252
252
252
252
252
252
252
252
252
J7
390
392
265
1
WIRE FEE D
WIRE FEE D
WIRE FEE D
WIRE FEE D
WIRE FEE D
WIRE FEE D
WIRE FEE D
WIRE FEE D
263
2
SPEED
SPEED
SPEED
SPEED
SPEED
SPEED
SPEED
SPEED
262
3
267
4
GAS
264
5
SOLENOID
260
6
7
261
8
9
10
FOR TIMER
OPTION
J12
SNUBBER
BOARD
1
1
2
2
208S
3
515B
3
208
555
4
4
208R
J9
206B
204S
5
5
209S
6
6
7
B
7
209
W
209R
8
8
320
320B
325B
SCR HEATSINK
OUTPUT CHOKE
THERMOSTAT
ASSEMBLY
THERMOSTAT
TO
TO
TO
WORK
WORK
WORK
207
207
R.F. FILTER
R.F. FILTER
R.F. FILTER
GND
CONTROL BOARD
CONTROL BOARD
253
1
252
2
251
3
552
4
551
5
256
6
7
J2
550
8
254
9
500
10
11
12
13
515
14
1
2
3
4
5
J4
6
7
8
9
10
206B
1
B
2
3
W
4
J1
515B
5
555
6
325
7
324
8
390
1
J8
392
2
SCI
1
325A
2
543
3
326
4
5
541A
6
J3
J3
SCI
7
8
515
9
206A
10
11
12
209
1
208
2
206
3
206S
4
205
5
6
352
7
X9
8
J5
354
9
325B
10
GND
11
320
12
207
13
14
353
15
X8
16
G2
1
204
2
G1
3
J6
X7
4
X6
5
X5
6
A.01
L11979
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