Lincoln Electric SVM189-B Service Manual page 105

G-3
WiriNG DiaGram - SpOOl GuN iNTErfacE OpTiON - (m20410-1)
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.
ElEcTrical DiaGramS
SPOOL GUN INTERFACE - WIRING DIAGRAM
WARNING
Do not operate with covers removed.
Disconnect input power by unplugging
power cord before servicing.
Do not touch electrically live parts
Only qualified persons should install,
use or service this machine.
HIGH VOLTAGE
can kill
NOTE:
MOTOR A: INTERNAL MACHINE WIRE DRIVE
MOTOR B: SPOOL GUN
SPOOL GUN
NOTE POLARITY
WORK
NOTES:
N.A. BOLTED ALUMINUM CONNECTIONS REQUIRE T12837 JOINT
COMPOUND (DOW CORNING 340) WHEN REATTACHING.
N.B. WORK AND GUN CONNECTIONS SHOWN FOR GMAW WELDING.
N.C. CAVITY NUMBERING SEQUENCE VIEWED FROM INSERTION SIDE
OF CONNECTORS.
N.D. J4 IS DETERMINED BY MACHINE'S INPUT VOLTAGE.
N.E. THIS COMPONENT IS "S1" FOR TAPPED MACHINES AND "R2" FOR
CONTINUOUS MACHINES.
N.F. SEE S26766 FOR SPOT TIMER KIT WIRING DIAGRAM.
N.G. SEE M20410 FOR MACHINE WIRING DIAGRAM.
N.H. SHOWN IN "SPOOL GUN" POSITION.
P5 J8
4A 4
2A 2
P8
R1
N.F.
P7
1 2 3 4
1 2 3 4
N.G.
P3 N.C.
P4, N.C. P5 N.C.
1 2 3 1 2 3 4 5
1 2
3 4 4 5 6 6 7 8 9 10
LATCH
ELECTRICAL SYMBOLS PER E1537
543A
544A
MOTA1
MOTB
MOTA2
4
544A
2
MOTB
J7 P3
CAP+ CAP+
SOL2
SOL2
TMP2 TMP2
TMP1 N.G.
TMP1
MOT- MOT-
MOTA2
MOTA1
SOL1
SOL1
GND
GND
CAP-
CAP-
PLUG AND LEAD ASSEMBLY
J6 N.C.
J4 J4
1
2 3
1 2 3 4 1 2 3 4
4
120V 230V
IDENTITY PLUG CONFIGURATION
M20410-1
cOmpacT WirE WElDErS
G-3
N.H.
B