Lincoln Electric IM872 LF-74 WIRE FEEDER - Manual (Page 44)

F-1 F-1 WIRING DIAGRAM
LF-74
L12484
A
CAVITY NUMBE
RI
NG
SEQ
UE
NCE
(C
O
MP
O
N
E
N
T SI
D
E OF P.
C.
BO
AR
D
)
J3
2 1
J5
,J
8
J9
,J 60
4
3 6
1
COMMON AN
ALOG
P.C.
BO
ARD
A D C B E
554 556
TR
IG
GE
R
CO
NN
EC
TO
R
J1
3
559
515
558
CO
LD F
EE
D
S1
FEE
D
PLAT
E
GE
NE
RA
L INF
OR
M
AT
ION
EL
EC
TR
IC
AL
SY
M
BO
LS
PE
R E
15
37
COLOR CODE
B -
BL
AC
K
W
-
W
HIT
E
R -
RE
D
U -
BL
UE
TR
IG
GE
R
IN
PU
T
67
J1
55
6
10
12
34
56
7
8
9
11
12
13
14
15
16
J14
55
9
10
12
34
56
7
8
9
11
12
13
14
15
16
12 J3
12
34 J2
1 4 3 2 6 5 P1
0
8 7
MO
TO
R /
GE
AR
BO
X W
51
5
558
589
587
554
A
550
551 550
57
6
577
575C
553
55
2
J7
3
4
1
2
2
4
K E Y
580
552
A
605
60
6
601
607
608
5
6
515
A
R TACH U B
TH
ER
MA
L L
ED
1W
563
563 562 575
B
562
1W
1B
10K/2W
3 2 1
77 76
2 1 P7 4 3
RE
MO
TE
CO
NT
RO
L
VOL
TAGE
PO
TEN
TI
OM
ET
ER
(O
PTI
ON
AL)
75A 76A 77A
WI
RE
F
EE
D
SPE
ED
CONT
RO
L
PO
TE
NT
IO
ME
TE
R
577 57
6
575
3 2 1
10K/2W
589
TR
IG
GE
R
IN
TE
RL
OC
K
S2
587
-
+
580
42
41
POST-FLOW
BURNBACK
TIME
R KIT
(O
PTI
ON
AL)
J60
12
34
567
8
601
515
A
605
607
608
60
6A
14 PIN
AM
PH
ENO
L
CON
NE
CTOR
TO POW
ER
SOUR
C E
OU
TP
UT
CON
TROL
A
J12
B
2
C
4
D
77A
E
76A
F
75A
G H
41
I J
42
K L M
67
N
RE
M
O TE
VOLT
AG
E
CON
TROL
42V
A C
SEN
SE
2-
ST
EP
GAS
PU
RG
E
L1
75 76 77
75
L2
L3
57
5
575C 575
B
IN
PUT EL
ECT
RO
DE
CAB
LE
CONNEC
TI
ON
J1
,J 14
9
8 16
1
5
4 8
1
J2
606 606
A
1B
B
B W
522
R U B
2 1 P6 4 3
L5
2 1 P4 4 3
L4
NORMAL S
PE
ED
HI
GH
T
OR
QU
E
551
B 55
1A
55
1A
551
B 521
522
521
2 1 4 3
A
2 1 4 3
A
L6
551
B B
P1
1
552 553
GA
S
SOL
EN
OI
D
552B
BR
IDGE
DI
ODE
RECT
IF
IER
MOUN
TE
D
BAFF
LE
552
B
552
A
P1
1
NO
TES
:
N.
A.
CA
VIT
Y N
UM
BE
RI
NG S
EQ
UE
NC
E A
S VI
EW
ED
FR
OM
COM
PO
NE
NT
SI
DE
OF B
OA
RD.
N.
B.
CA
VIT
Y N
UM
BE
RI
NG S
EQ
UE
NC
E A
S VI
EW
ED
FR
OM
LE
AD
SI
DE OF
CO
NN
ECT
OR.
N.
C.
TO
GGL
E S
WIT
CH
ES A
ND P
OT
ENTI
OM
ET
ER
S S
HO
W
N
FR
OM
CO
NN
ECTI
ON
SI
DE
OF
SWIT
CH.
N.
D.
PI
N
NE
AR
EST T
HE FL
AT
ED
GE
OF L
ED L
EN
S
ALI
GN
S
WIT
H
W
HIT
E L
EA
D
OF LE
D
SO
CK
ET.
N.
E.
P
LACE
P
11
IN
APPROPR
IA
TE
POS
IT
IO
N F
OR
SPEED
OR
T
ORQ
UE
.
C
ON
NEC
TI
ON
SH
OW
N I
S F
OR
NOR
MA
L SPEED
. NO
TE
: NOR
MA
L SPEED
NOT
AV
AIL
ABL
E
ON
HI
GH T
OR
QU
E M
OD
EL.
HI
GH T
OR
QU
E
NOT
AV
AIL
ABL
E
ON
N
OR
MA
L SPEED
M
ODE
L.
N.
B.
N.
B.
N.
B.
N.
C.
N.
C.
N.
C.
N.
C. N.
A.
N.
A.
N.
B.
N.
D.
N.
E. N.
E.
WIRING DIAGRAM FOR
L
F-7
4
FEED
ER (CODES
111
95,
111
96,
111
97)
NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual. The specific diag
ram 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.