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F-2
WIRING DIAGRAM
F-2
LF-72
LF-72 FEEDER (FOR CODES 11209, 11210, 11211 11227)
L12146-1
A
CAVITY NUMBERING SEQUENCE
(COMPONENT SIDE OF P.C. BOARD)
J3
2
1
J5,J8
J9,J60
4
3
6
1
GENERAL INFORMATION
ELECTRICAL SYMBOLS PER E1537
COLOR CODE
B - BLACK
R - RED
U - BLUE
COMMON ANALOG P.C. BOARD
A
D
C
B
E
554
556
TRIGGER
CONNECTOR
J4
559
515
558
COLD FEED
S1
FEED
PLATE
GENERAL INFORMATION
ELECTRICAL SYMBOLS PER E1537
COLOR CODE
B - BLACK
R - RED
U - BLUE
GENERAL INFORMATION
ELECTRICAL SYMBOLS PER E1537
COLOR CODE
B - BLACK
R - RED
U - BLUE
GENERAL INFORMATION
ELECTRICAL SYMBOLS PER E1537
COLOR CODE
B - BLACK
W - WHITE
R - RED
U - BLUE
TRIGGER
INPUT
67
J1
556
10
123456789
11 12 13 14 1516
J14
559
10
12345678
9
11 12 13 14 1516
12
J3
1234
J2
1
4
3
2
6
5
P5
8
7
MOTOR /
GEARBOX
WB
B
W
L5
515
558
589
587
554
551
550
551
550
576
577
575C
553
552
J7
3
4
1
2
24
K
E
Y
580
552A
605
606
601
607
608
5 6
515A
R
TACH
U
B
THERMAL LED
W
563
563
562
575B
562
WB
10K/2W
3
2
1
77
76
2
1
P7
4
3
REMOTE
CONTROL
VOLTAGE
POTENTIOMETER
(OPTIONAL)
75A
76A
77A
WIRE FEED
SPEED
CONTROL
POTENTIOMETER
577A
576A
575A
3
2
1
10K/2W
1
4
3
2
6
5
P8
575
577
576
589
TRIGGER
INTERLOCK
S2
587
-
+
BRIDGE
DIODE
RECTIFIER
MOUNTED
BAFFLE
580
42
552A
41
552B
POST-FLOW
BURNBACK
TIMER KIT
(OPTIONAL)
J60
12345678
601
515A
605 607
608
606A
552
553
GAS
SOLENOID
14 PIN
AMPHENOL
CONNECTOR
TO POWER
SOURCE
OUTPUT
CONTROL
A
J6
B
2C
4D
77A
E
76A
F
75A
G
H
41
I
J
42
K
L
M
67
N
REMOTE
VOLTAGE
CONTROL
42VAC
SENSE
552B
2-STEP
GAS PURGE
L4
L1
577A
576A
575A
75
76
77
75
L2
L3
575
575C
575B
INPUT ELECTRODE
CABLE CONNECTION
J1,J14
9
8
16
1
5
4
8
1
J2
606
606A
B
NOTES:
N.A. CAVITY NUMBERING SEQUENCE AS VIEWED FROM COMPONENT SIDE OF BOARD.
N.B. CAVITY NUMBERING SEQUENCE AS VIEWED FROM LEAD SIDE OF CONNECTOR.
N.C. TOGGLE SWITCHES AND POTENTIOMETERS SHOWN FROM CONNECTION SIDE OF SWITCH.
N.D. PIN NEAREST THE FLAT EDGE OF LED LENS ALIGNS WITH WHITE LEAD OF LED SOCKET.
N.B.
N.B.
N.B.
N.D.
N.C.
N.C.
N.C.
N.C.
N.A.
N.A.
N.B.
N.B.
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.