Electrical Diagrams; Wiring Diagram - Lincoln Electric LN-8 SVM132-A Service Manual

Semiautomatic wire feeder
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G-2

Wiring Diagram

J U M P E R C O N N E C T O R I S R E M O V E D
A N D C O N N E C T O R " B " P L U G G E D
I N T O O P T I O N A L B U R N B A C K
P . C . B O A R D .
C O N N E C T O R " B "
T H E R M A L C I R C U I T
6 2 6
B R E A K E R
5 2 8
5 2 5
W
W
6 2 7
G
W
A
2
4
B
C
3 1
D
3 2
2 1
E
7 5
F
7 6
G
7 7
H
GND
I
C A S E
G R O U N D I N G
S C R E W
L E A D C O L O R C O D I N G
B = B L A C K
W = W H I T E
U = B L U E
G = G R E E N
R = R E D
N O T E S :
N . A . R E S I S T O R U S E D O N C O D E S 9 0 9 0 A N D B E L O W . F O R C O D E S A B O V E 9 0 9 0
T H E G R O U N D I N G L E A D P R O T E C T O R C O N N E C T S D I R E C T L Y T O T H E C A S E
G R O U N D I N G S C R E W .
N . B . T H E V A R I A B L E V O L T A G E B O A R D I S F A C T O R Y I N S T A L L E D I N C V - V V M O D E L S
A N D D O E S N O T I N C L U D E J U M P E R C O N N E C T O R .

ELECTRICAL DIAGRAMS

LN-8N, -8NE, -8S, AND -8SE WIRING DIAGRAM
B U R N B A C K P . C . B O A R D
2
5 0 2 4 5 0 4 5 3 1 3 2 A
( O P T I O N A L )
*
1
6
2
3
4
5
C O N T R O L
P . C .
2 5 0 2 4 5 0 4 5 3 1 3 2 A
B O A R D
5 4 1
R
5 3 9
5 4 1
B
W I R E
F E E D
M O T O R
5 3 9
U
W
G R O U N D I N G
L E A D
P R O T E C T O R
5 2 5
5 2 5 A
GND
N . A .
G
. 1 O H M S
G N D
5 4 1
2 1
3 1
5 3 1
C A S E
G R O U N D I N G
2 O H M S
S C R E W
2
8
9
5
*
C O N N E C T O R C A V I T Y N U M B E R
C O N N E C T I O N S A S V I E W E D F R O M
B A C K O F R H E O S T A T S W H E N
C O V E R I S U P
NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual.
2 1
3 2 A
8
2
7
1 1
5 4 1
1
2
5
1 0
5 4 3
1 2
3 2 A
*
2 1
7
6 3 7
J 1
6 3 6
6
6 3 5
1
9
6 3 1
3 2 A
6 3 2
4
3 2
3
6 3 4
D I R E C T I O N
O F W I R E
F E E D
S W I T C H
5 3 1
5 3 1
3 2 A
7
5 0 4
5 0 2
5 2 3
6 2 7
4 C R
1 1 1 8
9
5
6
1 0 4
3
*
R E L A Y
P . C . B O A R D
6 2 7
3 2 A
7
6 2 6
Q U I C K C O N N E C T T E R M I N A L S 7 & 3 2 A
T O C O N N E C T A U X I L I A R Y E Q U I P M E N T
1 1 5 V . A . C . , . 2 5 A M P R A T I N G
5 4 3
5 6 7
5 6 8
B O L T E D
O P T I O N A L M E T E R
C O N N E C T I O N
1 4
7
3
6
K I T R E C E P T A C L E
*
W O R K
T O C O N T A C T O R C I R C U I T
1 1 5 V A C
B U R N B A C K
A N D V A R I A B L E
T O P O W E R S O U R C E W O R K
V O L T A G E B O A R D
T E R M I N A L
J U M P E R C O N N E C T O R I S R E M O V E D A N D C O N N E C T O R
" A " P L U G G E D I N T O O P T I O N A L V A R I A B L E V O L T A G E
P O W E R S O U R C E B O A R D .
N . B .
6 3 6
5 6 7
6 3 5
6 3 7
W I R E F E E D
S P E E D
R H E O S T A T
6 3 2
C O N N E C T O R " A "
4
5
6
3
*
V A R I A B L E V O L T A G E
P . C . B O A R D
5 K O H M S
6 3 4
( O P T I O N A L )
6 3 5
6 3 6 6 3 7 5 6 7
P O W E R S O U R C E
5 A M P C I R C U I T B R E A K E R
O U T P U T
R H E O S T A T
I N T E R L O C K S W I T C H
7 6
6 2 7
5 3 6
6 8 2
6 8 3
1 0 K O H M S
O F F
7 5
O N
5 2 3
B E A D P I N S O N
B O T T O M O F B O A R D
L O W V O L T A G E
R
6 8 3
5 3 6
B
1 C R
6 8 2
T R I G G E R
5 2 6
4
T R A N S F O R M E R
5 3 1 A
2
3 2 A
3
B
1 2
7
2
5 2 2
1
R
1 / A M P 1 2 5 V .
2
6
O R 2 5 0 V . S L O W
5
B L O W F U S E
5 2 5 A
5 2 4
5 2 9
5 2 4
5 2 8
5 2 9
5 2 8
2 C R R E E D S W I T C H
5 6 7
G U N C A B L E
5 6 8
M E T E R S H U N T
R E L A Y A N D
M E T E R K I T
C O N T R O L B O A R D
R E C E P T A C L E
1 4
1 4 7 1 0
3
6
2
5
2 5 8 1 1
2
5
4
3
6
3 6 9 1 2
1
P I N S I D E O F
C A V I T Y N U M B E R I N G S E Q U E N C E
C O N N E C T O R
( C O M P O N E N T S I D E O F B O A R D )
E L E C T R I C A L S Y M B O L S P E R E 1 5 3 7
G-2
6 3 1
7 7
A
B
C
D
E
9
8
7
2-1-2002M
M14679
LN-8

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