ELECTRICAL DIAGRAMS G-4
LF-72/74

WIRING DIAGRAM - ENTIRE MACHINE - CODE 11290, 11291, 11292,11293 (L12146-2) LF-72

L12146-2
A
CAVITYNUMBERING SEQUENCE
(COMPONENTSIDE OF P.C. BOARD)
J3
2
1
J5,J8
J9,J60
4
3
6
1
COMMONANALOG P.C. BOARD
A
D
C
B
E
554
556
TRIGGER
CONNECTOR
J13
559
515
558
COLDFEED
S1
FEED
PLATE
GENERALINFORMATIONELECTRICALSYMBOLS PER E1537COLORCODEB- BLACKW- WHITER-REDU- BLUE
TRIGGER
INPUT
67
J1
556
10
123456789111213141516
J14
559
10
123456789111213141516
12
J3
1234
J2
1
4
3
2
6
5
P10
8
7
MOTOR/
GEARBOX
W
515
558 589
587
554
A
550
551
550
576
577 575C
553 552
J7
3
4
1
2
2
4
K
E
Y
580
552A 605 606
601
607
608
56
515A
R
TACH
U
B
THERMALLED
1W
563
563
562
575B
562
1W 1B
10K/2W
3
2
1
77
76
2
1
P7
4
3
REMOTE
CONTROL
VOLTAGE
POTENTIOMETER
(OPTIONAL)
75A
76A
77A
WIREFEED
SPEED
CONTROL
POTENTIOMETER
577
576
575
3
2
1
10K/2W
589
TRIGGER
INTERLOCK
S2
587
-
+
580 42
41
POST-FLOW BURNBACK
TIMERKIT
(OPTIONAL)
J60
12345678
601 515A 605 607
608
606A
14PIN
CIRCULAR
CONNECTOR
TOPOWER
SOURCE
OUTPUT
CONTROL
A
J12
B
2C
4
D
77A
E
76A
F
75A
G
H
41
I
J
42
K
L
M
67
N
REMOTE
VOLTAGE
CONTROL
42VAC
SENSE
2-STEP
GASPURGE
L1
75
76
77 75
L2
L3
575
575C
575B
INPUT ELECTRODE
CABLECONNECTION
J1,J14
9
8
16
1
5
4
8
1
J2
606
606A
1B
B
B
W
522
R
U
B
2
1
P6
4
3
L5
2
1
P4
4
3
L4
551B
551A
551A
551B
521
522
521
2
1
4
3
A
L6 551
B
P11
552
553
GAS
SOLENOID
552B
BRIDGE
DIODE
RECTIFIER
MOUNTED
BAFFLE
552B
552A
NOTES:

N.A.CAVITYNUMBERINGSEQUENCEAS VIEWED FROMCOMPONENT SIDE

OF BOARD.

N.B.CAVITYNUMBERINGSEQUENCEAS VIEWED FROM LEADSIDE OF

CONNECTOR.

N.C. TOGGLESWITCHESANDPOTENTIOMETERSSHOWN FROM

CONNECTIONSIDE OF SWITCH.

N.D. PINNEAREST THE FLAT EDGE OF LED LENSALIGNSWITHWHITE LEAD

OF LEDSOCKET.

N.E. P6NOT USED.

N.B.
N.B.
N.B.
N.C.
N.C.
N.C.
N.C.
N.A.
N.A.
N.B.
N.D.
N.E.

G-4

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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