Lincoln Electric IM591 UWW-170 - Manual (Page 43)

SP-170-I
F-1 F-1 WIRING DIAGRAMS
WIRING DIAGRAM:
D3
204
204
204
203 203
203
C1
40V
203
204
-
+
GUN
CABLE
CONDUCTOR
BLOCK
TO
WORK
ELECTRICAL
SYMBOLS
PER
E1537
1
234
LATCH
5
67
8
9
10
CAVITY
NUMBERING
SEQUENCE
(
COMPONENT
SIDE
OF
BOARD
)
12
3
4
5
6
7
891
0
CONTROL
P.C.
BOARD
539 541
541
T1
208
5K
WIRE
SPEED
R2
(W) (B)
N.B.
N.C.
N.C.
COMPONENT
VIEWED
FROM
REAR.
J1
209
J1
X1
202
X2
S2
SELECTOR
SWITCH
204
OUTPUT
CHOKE
X4
X5
+
H2
203
209
208
539
213
214
N.A.
DIODES
D1,D3,D5
&
D
7
ARE
MOUNTED
ON
THE
OUTSIDE
HEATSINK.
THERMOSTAT (MOUNTED
TO
DIODE
HEATSINK)
D1
D5
D2
D6
D7
D4
D8
X3
X6
H2
204
204 203 203
H2
H2 H2 H2
12
3
4
J2
211
205
206
212
THERMOSTAT
205 206
+ -
12
3
4
J2
INDICATOR LED
S1
SWITCH ON-OFF
N.C.
211
WINDING
18V
AUXILIARY
230V/50HZ FAN
MOTOR
GAS
SOLENOID
230V/50HZ
V
U
214
HIGH
VOLTAGE
can
kill
Only
qualified
persons
should
install,
use
or
service
this
machine.
Do
not
operate
with
covers
removed.
Disconnect
input
power
before
servicing
Do
not
touch
electrically
live
parts
N.A.
N.D.
N.D.
CR1
221
220
CR1
M18931
SP
170-I
WIRING
DIAGRAM
- +
TAB
TERMINAL
TINNED BRASS
TAB
TERMINAL
H1
N.D.
BOLTED
ALUMINUM
CONNECTIONS
REQUIRE
N.B.
DIODES
D2,D4,D6
&
D
8ARE
MOUNTED
ON
TO
THE
CENTER
PANEL.
THE
INSIDE
HEATSINK,
WHICH
IS
CLOSEST
W-WHITE
WIRE FEED MOTOR
CASE
GROUNDING
STUD
93,000
f
LEAD
COLOR
CODE:
B-BLACK
T12837
JOINT
COMPOUND
(DOW
CORNING
340)
WHEN
REATTACHING.
213
THERMOSTAT
211
(MOUNTED
TO
SEC.
COIL)
1
2
3
4
J3
LATCH
1
2
3
4
214
211
213
213A
J3
211
214
211
GUN
TRIGGER
JUMPERED
PLUG
STANDARD SPOT/STITCH TIMER
OPTIONAL
CIRCUIT BREAKER
1-29-99
H1
H1
TO
EARTH
GROUND
PER
NATIONAL, LOCAL
OR
OTHER APPLICABLE ELECTRICAL CODES.
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.