Lincoln Electric IM718 Soldering Gun User Manual


 
F-1
DIAGRAMS
F-1
POWER WAVE AC/DC
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..
505
1
THIS AREA VIEWED FROM RIGHT SIDE OF MACHINE
8
5
7
INPUT BOARD
6
J60
3
2
1
4
12
PRIMARY
(BOTTOM
LEFT)
PRIMARY
(BOTTOM
RIGHT)
SECONDARY
(BOTTOM
LEFT)
15
SW. BD.
D2A
S1
S1
S1
RIGHT SIDE
S2
S1
D1B
H1
612
TO TP3
11
C4
6
5
2
405
404
403
6
J50
5
4
506
3
2
504
503
THIS AREA VIEWED FROM REAR OF MACHINE
RECONNECT PANEL
13
C5
D4B
D3A
S4
+
H5
H6
406
V
T1
T2
612
H1D
TO
T3
CR1
SW1
CB4
AC3
TO J61
TO J60
601
X4
J60
TO A SYSTEM GROUND PER
CR1
TO
U
TO SUPPLY LINES
G
550-575V
TO SW1
N.C.
500V
'A'
S3
D2B
D1A
S2
S2
SECONDARY
(BOTTOM
RIGHT)
202
TO J9
C1
TP1
.05/600V
-
-
WORK
2B
1W
2W
1B
612B
TO CB4
TO SW1
POS
+
TO J1AD
TO POWER BD. RECTIFIER
L1
L1A
TO SW1
D3B
S3
THERM.
S2
TO J1AD
TM
LEFT SIDE OF MACHINE
CB4
6A CIRCUIT
BREAKER
TO AUX #2
H1A
612A
CB3
10A CIRCUIT
BREAKER
N.C. PLACE "A" LEAD ON APPROPRIATE CONNECTION FOR INPUT VOLTAGE. CONNECTION SHOWN IS FOR 550-575V OPERATION.
RIGHT SIDE OF MACHINE
N.A. PIN NEAREST THE FLAT EDGE OF LED LENS (CATHODE) ALIGNS WITH BLACK LEAD OF LED SOCKET.
NOTES:
C
PRIMARY
(TOP
RIGHT)
SECONDARY
(TOP
RIGHT)
NATIONAL ELECTRICAL CODE.
T1
L2
W
L3
T2
L3A
TO SW1
T3
AC2
CR1
TO AUX #1
COMPONENT VALUES:
W=WHITE
U=BLUE
R=RED
AC1
TO SWITCH
BD #1
FAN
X5
444
TO AUX#1
612A
TO AUX #1
CB3
TO J61
SWITCH BOARD #2 (RIGHT)
SWITCH BOARD #1 (LEFT)
TO SOLID STATE RELAY
NEG
TO SWITCH
BD #2
INPUT
REAR OF MACHINE
TO
CR1
AUX #1
601
X3
238
604
232
231
S3
TO J7
STATUS LED (R/G)
N.K.
N.A.
THERMAL LED (Y)
TO J7
TO J9
206
AUX. DRIVER BOARD
MAIN TRANSFORMER
LEFT SIDE
POS
POS
RECTIFIER
AUX #1
NEG
10
9
8
J61
7
6
5
4
3
2
1
S4
S4
SECONDARY
(TOP
LEFT)
11
S3
14
POS
C
12
4
3
1
J40
16
THIS AREA VIEWED FROM LEFT SIDE OF MACHINE
SW1
POWER
PRIMARY
(TOP
LEFT)
S4
CB4
TO
AUX #2
D4A
RECONNECT PANEL
OUTPUT RECT
TO
CB3
N=BROWN
CAPACITORS=MFD/VOLTS
RESISTORS=OHMS/WATTS
AUXILIARY TRANSFORMER #2
ELECTRICAL SYMBOLS PER E1537
LEAD COLOR CODING
B=BLACK
G=GREEN
TO
CB1
S1
WIRE
FEEDER
RECEPTACLE
J47
223
221
J1
4
5
3R3R
3W
238
15
TO
LED
THERM
223
222A
POWER BD
RECTIFIER
AC
212A
216A
213A
CONTROL BOARD
J4
251
20
C
J47
1
2
3
4
6
1
2
3
4
+
D
202
225A
J7
2
5
J2
206
52
J5
1
2
3
4
5
6
7
J3
4
5
6
NEG
X1
POS
50
TO
L2
CB1
10A CIRCUIT
BREAKER
TO
WORK
J47
TP3
NEG
7
X2
NEG
1
POS
2
3
C3
J2
TO
J9
2W
2
1
6
2B
511
604
S2
VOLTAGE
SENSE
RECEPTACLE
S3
RS232
CONNECTOR
FRONT OF MACHINE
1
2
J74
12
J76
21A
2
51
3
4
54
E
53
J9
15
14
J71
11
12
TO
J70
8
3
1
16
67A
4
J46
3
2
1
POS
POS
DC BUS
BOARD
12
J41
TO
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
8
7
9
J8
J9
228
226
1
240
220
504
302
505
4
301
2
3
211A
2
3
7
8
21A
418 W
514 R
1
273
274
5
6
2
1
512
4
3
2
1
VOLTAGE SENSE
SELECT BOARD
9
1
2
3
4
1
2
3
4
J72
J75
FEED HEAD
BOARD
11
J42
6
5
4
3
2
225
1
10
9
8
7
6
5
4
273
3
228
274
226
4
TO
S3
1
2
J43
251
253
254
J1
9
13
7
ETHERNET
BOARD
14
8
6
5
4
1
3
2
NEG
DIGITAL POWER
SUPPLY BOARD
221
231
232
1
3
2
16
10
5
1
2
6
5
1
9
8
7
6
5
4
1
9
8
7
6
475
477
1
2
476
478
3
4
J6
5
6
253
7
2
254
8
3
9
4
13
B
11
A
10
L2
4
3
1
2
3
4
TO J1 VOLTAGE SENSE
WORK
J10A
J11
J1AD
J42
J43
10
10
15
14
11
12
13
16
10
11
12
10
14
15
11
12
13
16
10
POS
POS
NEG
NEG
AC
52
CONNECTOR
DEVICENET
5
1
4
2
3
CONNECTOR
12 PIN
3
4
2
1
5
6
ROBOTIC/
WIREDRIVE
INTERFACE
RECEPTACLE
S2
J2
67B
67A
1W
1B
892
892
851
852
853
854
855
856
154
32A
222
891
TO
J75
7
8
9
10
857
858
859
860
3 CONDUCTOR
TWISTED/SHIELDED
SHIELD GROUND TO CASE
L4
J85
TO
267
266
268
TO
J40
J50
J60
67
TO
J43
J82
S5
S6
S7
GND-A
GND-B
267
266
268A
893
894
67
S1
S6
227
227
C3
TO
AUX 1
N
P
R
S
T
U
V
W
X
A
B
C
D
E
F
G
H
I
J
K
L
M
841
844
842
843
845
846
847
67B
539
541
521
522
GND-A
11
12
861
862
TO
S5
J82
154
153
4
3
2
1
500
540
TO
J11
J47
TO
S6
846
845
844
843
842
841
J84
6
5
1
2
3
4
847
8
7
TO
S6
D6
880
886
522
521
541
539
J83
6
5
1
2
3
4
TO
S7
J1VS
856
855
854
853
852
851
J85
6
5
1
2
3
4
857
8
7
511
512
862
861
860
859
9
15
12
16
14
13
11
10
858
6
5
1
2
3
4
8
7
9
10
J86
6
5
1
2
3
4
8
7
9
10
J87
11
12
13
14
15
16
TO
J85
+24V
+24V GND
CAN_H
CAN_L
800
840
1
518 W
2
414 R
J10B
405
404
893
891
894
1
2
3
4
J73
53
54
TO
S1
S9
TO
J81
743
741
800
840
TO
J72
7
6
5
4
3
1
50
540
475
476
477
51
A
TO RECONNECT PANEL
TO J61
H1D
(TOP)
LOAD LINE
TO CB3
612B
TO CONTACTOR
L3A
L1A
A.01
W
R
4
1
H5 (500)
H4 (440-460)
H3 (380-415)
H1
6
H5A
3
1
4
H3A
2
H4A
H2 (220-230)
(115V)
H2A
H1A
H6 (550-575)
5
H6A
P50
TO S4,
CB2,
AUX. FAN
350
352
8
14
7
9
8
1
12
16
7
10
8
CONNECTOR CAVITY NUMBERING SEQUENCE
(VIEWED FROM COMPONENT SIDE OF BOARD)
1
1
6
5
6
1
3
5
6
4
4
1
1
J10A, J10B,
J2VS, J7
2
1
3
4
1
2
J2,J5,J11,
J41,J46,J72
J73,J76,J81
J82
J1VS,J9,
J14,J40,J42,
J50,J75,J83,J711
J8,
J47,J60
J84,J712
J1AD ,J3
J61,J77,
J79,J86
J4,J13,
J43,J71
J1,J6,J7
J10,J70,J85
J87
2
500
J81
741
743
4
3
2
1
2.7
10W
2.7
10W
2.7
10W
2.7
10W
8
478
TO
CB1
J41
J82
S1
TO SOLID STATE RELAY
X3A
TO FAN
X1
R
(115V)
N
(24V)
X4
H2A
H3A
H1
H2
H3
H4
H4A
X2
U
(51V)
X3
W
X3
X5
W
H5A
H5
H6A
H6
.022
800V
.022
800V
.022
800V
.022
800V
18
16
14
17
13
TO J6
TO J6
AUXILIARY TRANSFORMER #1
J6
12
16
C6
18
C7
+
NEG
+
C
17
NEG
C
15
N.B.
CURRENT
TRANSFORMER
#2
N.B.
CURRENT
TRANSFORMER
#1
R5
SIDE OF CT TO THE SWITCH BOARD. THE ARROW ON THE CT SHOULD POINT FROM THE SWITCH BOARD TO THE TRANSFORMER.
N.B. CTs MUST BE ORIENTED IN THE PROPER DIRECTION. TRANSFORMER LEADS SHOULD GO FROM TRANSFORMER THROUGH THE DOTTED
TO CT #1
TO CT #2
830
TO
J4
J11
R5
262
220
292A
TO AUX#1
+
3R
TO
3W
J7
X3A
TP4
444
TO FAN
3
4-
SOLID
STATE
RELAY
2
1
518
WHITE
514
RED
POSNEG
3
2
1
350
352
33A
4
262
268
268A
R5
DC BUS
THERM
TO
4
32
33
1
6
33A
2
(230V)
E
G4048
115/230V
AC SWITCH
RECEPTACLE
S8
TO
J2VS
J73
J47
CB1
L5
TO
J84
J2VS
J83
TO
J4
J1AD
TO
J47
TO
C3
TO
J4
J43
TO
J46
POWER BD RECT
TO
J4
J6
J40
J42
J50
TO
S8
TO
J10B
TO
J10A
TO AUX #1
TO AUX #2
HARMONIC
FILTER
L6
J1AD
1
8
J710
352A
AUX.
FAN
352A
3
4
2
1
5
6
7
8
9
10
11
12
J77
1
3
2
9
8
7
6
5
4
10
J79
1
3
2
9
8
7
6
5
4
10
CB2
AUX 2
TO
32
115V
RECEPTACLE
S4
31
CB2
10A CIRCUIT
BREAKER
TO
S4
AUX 2
31
33
TO
886
880
DIODE
J83
D6
+40VDC
AC
AC
32A
AUX FAN
J710
J712
J1AD
1
2
3
4
5
301
225
6
225A
7
403
406
8
9
10
222
503
506
222A
302
4
5
6
1
3
2
7
8
4
5
6
1
3
2
7
8
12
11
414
RED
418
WHITE
16
733
734
TO
J3
J6
J7
771
772
773
774
775
776
777
778
779
711
TO
S9
712
713
714
715
716
717
718
281
282
285
286
778
S9
774
776
J77
771
TO
J77
773
775
777
772
779
285A BLUE
286A BLACK (BLUE)
733 YELLOW
734 BLACK (YELLOW)
285B YELLOW
286B BLACK (YELLOW)
711 BLUE
211A WHITE
212A BLACK (WHITE)
224A
240
TO
J8
J712
J7
717 WHITE
216A GREEN
718 BLACK (WHITE)
712 BLACK (BLUE)
714 BLACK (GREEN)
713 GREEN
716 BLACK (RED)
715 RED
H4
440-460V
H5 (500)
H4 (440-460)
H3 (380-415)
H1
H2 (220-230)
H6 (550-575)
N.E.
N.F.
N.G.
N.G.
N.G.
N.G.
N.E. CONNECT TO 206B OUTPUT STUD ON AC SWITCH
N.F. CONNECT TO DC POSITIVE CHOPPER BOARD ON AC SWITCH
N.G. CONNECT TO RECTIFIER ON AC SWITCH (FOUR PLACES)
N.D. CONNECT TO 202C OUTPUT RESISTOR ON AC SWITCH
224
J73
N.J. CONNECT TO POWER RECEPTACLE ON AC SWITCH
AC SWITCH
CONNECTIONS
N.J.
TO
S4
TO
AUX2
202A
224A
N.E. CONNECTION
J5
TO
N.D.
N.K. PIN NEAREST THE FLAT EDGE OF LED LENS (ANODE) ALIGNS WITH BLACK LEAD OF LED SOCKET.
FROM AC SWITCH
2
1
3
5
4
6
8
7
282A
282B
281A
281B
285A
285B
286A
286B
P7A
281A BROWN
282A BLACK (BROWN)
281B RED
282B BLACK (RED)
213A BLACK (GREEN)
TO AC SWITCH
TO AC SWITCH
733A
734A
292A
224B
224
224B
220
292A
ENHANCED DIAGRAM