Lincoln Electric SVM179-B Welder User Manual


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ElECTriCal DiaGrams
G-5
lN-25™ prO
WiriNG DiaGram - lN-25 prO - CODEs 11746, 11747 (G5681-3)
CONTROL P.C
.
BOARD
WIRING DIAGRAM- LN-25 PRO ANALOG
A.01
G5681-3
FEED
PLATE
P20/J20
8
M
OT
O
R
/
GEARBOX
W
R
TACH
U
B
53
1
B
B
W
69
0
69
1
GAS
SOLENOID
TRIGGER
INTERLOCK
/
2STEP
J3
5
6
3
4
2
1
R
U
B
5
6
3
4
2
1
7
8
J6
1 2 3456789
10111213141516
53
7
53
4
55
1
55
0
7
6
5
4
3
2
1
N
OT
E
S:
N.
A. PI
N
NEARES
T T
H
E
FL
A
T
EDG
E
OF
L
E
D
LEN
S
(A
NOD
E)
A
LI
GN
S
W
IT
H
W
HI
TE
LEA
D
OF
L
E
D
SOCKE
T.
N.
B.
SW
IT
CHE
S
SHOW
N
FR
O
M
REA
R
CONNE
CT
IO
N
SI
D
E
OF
S
W
IT
C
H.
N.D.
CONNE
CT
"
EX
TR
A
" T
O
"T
ORQUE
"
O
N
EX
TR
A
TO
RQU
E
MODEL
S
ONL
Y.
1
GAS PURGE
PUSHBUTTON
SWITCH
S1
S3
COLD
FEED
2
3
4
53
0A
53
0
52
3
58
7
58
7A
P16/J16
72
1A
50
0
62
2
57
5
57
6
N.B.
N.B.
N.B.
L5
L4
CC
/
CV
S2
52
3A
N.B.
1234
J5
J4
1234567
8
9
10 11 12
9
10
J2
57
7
1B
1W
2B
2W
50
0
62
2
50
9C
50
9E
50
9
50
9E
61
0
70
7
53
0
69
0
57
5
57
8
53
1
60
1
57
6
53
7
61
2
58
7
60
6
60
7
60
5
60
8
50
7
57
7
69
1
53
4
1W
2W
3B
4B
P60
61
2
52
3
50
9A
50
9D
50
9D
53
0A
52
3A
58
7A
50
9C
PO
ST-FL
OW
BURNBACK
TIMER KIT
(
OPTIONA
L)
J60
8
60
1
50
9B
60
5
60
6
60
7
60
8
765
43
2
1
70
7
61
0
77
C
76
C
75
C
1 2 3456789
10
J1
TO P60
ON
HARN
ESS
G
ENER
A
L
INFOR
MAT
ION
EL
EC
T
RIC
A
L
SYMBOLS P
ER
E1537
LE
AD
CO
L
OR COD
ING
B
- B
L
AC
K
W
-
W
HI
TE
50
7
57
8
CO
NT
A
CT
O
R
C
OIL
CO
NTA
CTO
R
67
C
50
9B
50
9A
50
9
8
7
6
5
4
3
2
1
60
1
50
9B
60
5
60
6
60
7
60
8
55
0
55
1
75
C
76
C
77
C
41
42
J18
1
2
3
4
41
42
EX
TR
A
TO
RQUE
7
8
5678
67
E
21
E
2A
4A
CO
NNE
CTS
TO T
IMER
KIT
70
8
66
7
4A
2A
72
1A
67F
82
1B
62
1
70
8
67
C
66
7C
62
1
82
1B
67
E
67F
67
D
4B
3B
4B
N.
O.
N.
O.
(SHOWN
I
NCV)
(SHOWN
I
N2STEP)
66
7D
66
7E
66
7
INP
UT ELE
CT
RODE
C
ABLE CO
NNE
CTI
ON
21
E
1
2
P17/J17
3
4
5
6
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
P7/J7
J15
1 23456789
10
J1, J
2, J
15
C
AVI
TY
NU
MBE
RIN
G SEQ
UENCE
(VI
EW
ED FROM COMPONENT
S
IDE OF
P
.C.
BO
ARD
)
6
5
10
1
J6, J
7
9
8
16
1
4
6
1
3
J3, J
5, J
9,
J2
0, J
60
5
4
8
1
J1
2, J
17
A
B
C
D
E
J14
J1
1, J
1
6,
J1
8, J
61
3
4
1
2
J4
7
6
12
1
J1
9
4
1
5
8
B1
B2
MOTOR FILTER P.C
.
BOARD
1 234
J61
66
7DB1
66
7E B2
55
5
55
5
S4
BLACK
RED
FAN
+
-
N.D
.
WOR
K
A
WOR
K
B
D1
TO
WORK
C
LIP
62
1A
WOR
K
A
66
7A
67
B
66
7A
67
B
66
7B
57
7A
2W
2B
1W
1B
72
1
62
1A
WIRE FEED SPEED
CONTROL
POTENTIOMETER
R1
10
K2W
57
7A
57
5A
57
6A
ARC
VOLTMETER
72
1
66
7B
+
VM
YELLOW
THERMAL
LED
57
6A
50
0A
57
5A
62
2A
E
D
C
B
50
0A
TRIGGER
CONNECTOR
62
2A
P14
A
AC
AC
BRIDGE
RECTIFIER
+
-
62
2B
55
5A
55
5A
2B
N.A.
2W
1B
N.A.
1W
POLARITY
LED
S5
WFS RANGE
SWITCH
N.B.
G-5
NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual. The wiring diagram specific to your code is pasted inside one of the enclosure panels of your machine.
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