F-1 F-1

WIRING DIAGRAMS

1
209
555
B
W
515
254
262
207
P.M.
208S
J9
B
TACH
D1
ASBLY
2-01A
11
1
28.4V
14.2V
14.2V
116.6V
515
206A
SCI
541A
326
543
206B
353
GENERAL INFORMATIONCAVITY NUMBERING SEQUENCE(COMPONENT SIDE OF P.C. BOARD)
1
2
1
J7
1
16
J5
9
TO
WORK
CAVITYJ13
WIRE FEED
SPEED
C1 THRU C3
31,000 MFD
50V
4
-
U
515B
555
206B
206
204S
3
2
SCR HEATSINK
ASSEMBLY
THERMOSTAT
8
7
6
5
4
3
L10980
204
G1
X7
325A
324
SCI
390
FOR SPOOL GUN OPTION
OUTPUT
CHOKE
+
X4
206B
G2
209S
H4
**
COLOR CODE:
H5
GUN
TRIGGER
POWER
TRANSFORMER
4
2
324
325
324
H3
J3
7
7
5
209R
320B
W
G1
3
4
1
2
3
4
7
CURRENT AND DUTY CYCLE OF IMMEDIATE ANDFUTURE APPLICATIONS.
5
3
-
N.B. THIS DIAGRAM SHOWS THE "ELECTRODE" POLARITYSNUBBER BOARD
D2
BAFFLE
MOUNTED
RECTIFIER
DIODE
BRIDGE
W
207
B
205
390
10
256
206S
205
352
X9
**
325B
DISPLAYBOARD
X5
208R
209R
354
8
12
2
3
4
8
6
5
7
14
15
16
J1212
209
208
206
354
325B
GND
320
353
252
2
1
4
2
3
13
12
10
6
5
1
2
208R
208
204S
209S
500
256
551
552
206B
251
555
X8
515B
G2
325
J11
1
1
2
3
X8
3
4
C3
+
C2C1
X2
X3
R4
INDICATES CONNECTOR CAVITY NO.U - BLUER - REDW - WHITEB - BLACK
SECONDARY VOLTAGES SHOWN
ARE NO LOAD RMS VALUES
OUTPUT CHOKE
THERMOSTAT
++
B
206S
L1
H2
H5
5
R
H4
H1
4
2
1
3
H1
LINE
SWITCH
S1
RECONNECT
PANEL
(SHOWN CONNECTED
FOR 230V)
TO SINGLE PHASE
SUPPLY LINE
TO GROUND PER
NATIONAL ELECTRICAL
CODE
ARC
VOLTAGE
10
6
5
1
J4
4
3
14
8
252
253
5
4
2
FOR TIMEROPTION
6
GASSOLENOID
4
3
2
1
261
263
204
L2
15 OHMS
100 W
R1
204B
+
208S
6
R.F. FILTER
SCR 2
254A
R3
FANMOTOR
392
254253
X6
X7 X7
X1
H1
H2
H1H3
H4
W
B
L2L1
**
1
6
8
9
10
J5
28.4V
J6
320
**
R.F.CHOKEAS'BLYGND
4
9
10
11
12
13
1
2
3
4
5
J7
5
6
J8
515B
550
X6
NOTES:
N.A. WELDING CABLE MUST BE OF PROPER CAPACITY FOR THEJ1
2
108
(NON-LEAD SIDE OF CONNECTOR)
21
J10
1
7
1
1
J2
J4
6
7
8
3
9
1
10
5
7
8
9
260
264
267
265
14
11
J2
J1
9
8
1
2
CONTROL BOARD
6
7
8
X9
X9
X5
POWER FACTOR
ENHANCEMENT
CHOKE
251
325
1
J6J8 J9
65
4
6
1
J3NUMBERING SEQUENCE
12
7
J12
8
2
J11J13
4
3
1
352
J10POWER MIG 255 (230/460/575V)
515
500
551
550
552
ELECTRICAL SYMBOLS PER E1537
SCR 1
SCR HEATSINK
MOTOR/GEARBOX
B
X6
X5
X8
CONDUCTOR STRAP AND WORK STUD.OFF AND REVERSE LEAD CONNECTIONS AT CABLE"POSITIVE". TO CHANGE POLARITY, TURN THE UNIT
392
W
PM 255