Lincoln Electric IMT964 CENTURY WIRE FEED 180 - Manual (Page 41)

41
S1
SWITCH
D1
D3
D2
D4
204
204
204
203
203
203
C1
40V
203 204
-
+
GUN CABLE
CONDUCTOR
BLOCK
TO
WORK
ELECTRICAL SYMBOLS PER E1537
CAVITY NUMBERING SEQUENCE
( COMPONENT SIDE OF BOARD )
539
541
T1
213
GUN TRIGGER
THERMOSTAT
208
5K
WIRE SPEED
R2
(W)
(B)
N.C.
N.C. COMPONENT VIEWED FROM REAR.
ON-OFF
N.C.
209
WINDING
24V
AUXILIARY
FAN MOTOR
X1
202 X2
S2
SELECTOR
SWITCH
CIRCUIT
BREAKER
115V/60HZ
115V/60HZ
OUTPUT
CHOKE
X3 X4
X5
+
H1
H1
H2
F1
541 204
203 209 208
539
213
214
1 2 3 4
LATCH
5
6 7 8 9 10
1 2 3 4 5 6 7 8 9 10
GAS
SOLENOID
CONTROL P.C. BOARD
J1
J1
CR1
H1
H2
LS1 H2
H2 N.O.
214
N.B.
N.D.
N.A.
N.D.
TO EARTH GROUND PER
NATIONAL, LOCAL OR
OTHER APPLICABLE
ELECTRICAL CODES.
-
+
(MOUNTED TO
SEC. COIL)
WIRE
FEED
MOTOR
CASE
GROUNDING
STUD
N.A. DIODES D2 & D4 ARE MOUNTED
ON THE OUTSIDE HEATSINK.
N.B. DIODES D1 & D3 ARE MOUNTED
ON THE INSIDE HEATSINK, WHICH
IS CLOSEST TO THE CENTER PANEL.
N.D. BOLTED ALUMINUM CONNECTIONS LEAD COLOR CODE:
B-BLACK
W-WHITE
REQUIRE T12837 JOINT COMPOUND
(DOW CORNING 340) WHEN REATTACHING.
59,000 µf
A.01
M21946-1
GAS SOLENOID IS PART OF MIG CONVERSION KIT.
WIRING DIAGRAM CENTURY® WIRE FEED™ 100
power cord before servicing
Disconnect input power by unplugging
Do not touch electrically live parts
Do not operate with covers removed.
service this machine.
Only qualified persons should install, use or
can kill
HIGH VOLTAGE
WARNING
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.