Lincoln Electric RANGER 250 SVM150-A Service Manual page 121

G-3
WIRING DIAGRAM - RANGER 250 ONAN
206S 204S
L1 CHOKE
6
WRAP TWO TURNS #3 &
SHUNT
#6 LEADS IN DIRECTION
3
50MV=400 AMPS
SHOWN THROUGH
TOROID
206B
6
3
206A
208B
261
260
260A
261A
208
S5
208A
VOLTMETER
WIRE FEED POWER
POLARITY 206A
WINDING
SWITCH
42 VAC
21
42 41
SHOWN IN
POSITIVE (+)
POSITION
CB8
15A
42A 41A
J
31
115AC 206B
A 32
D
4B
CONTACTOR
C
2B
GND-K
WORK H 21
E
77B
REMOTE
F 76B
CONTROL 2C
G 75B
I 41A 2B
42VAC
K 42A 2A
GROUND B
GND-A
AMPHENOL 1
77B
77C
A
REMOTE 77A
B 76C
CONTROL 76A
C 75C
D 2C 75B
CONTACTOR
E 4C
75A
GROUND F
GND-B
LEAD COLOR CODE: AMPHENOL 2
B=BLACK OR GRAY
R=RED OR PINK PC BOARD
W=WHITE
G=GREEN (W/YELLOW STRIPE)
1 2 1
3 1 4
1 1 5
2 3
4 4 6
5 8 6 10
1
6 1
8
L2, L3: RF CHOKES
12
7 16
9
ELECTRICAL SYMBOLS PER E1537
CONNECTORS VIEWED FROM INSERTION END
ALL CASE FRONT COMPONENTS SHOWN VIEWED FROM REAR.
PANEL RECEPTACLE CAVITY NUMBERING SEQUENCE
(VIEWED FROM LEAD SIDE OF RECEPTACLE)
3 2 1
1 2 3
6 5 4
4 5 6
9 8 7
7 8 9
9 PIN
9 PIN
J50
J50
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.
J50
D4 HEATSINK
+
B1
3 2 1
B2
6 5 4
C1 +
B3
9 8 7
B7
233
D2 DIODE TS1
MODULE 232
11
14
252 P50
12 1 2 3
4 5 6
R3
C2
7 8 9
+
300 AMP
PCB 1 23
+ MODULE
253
25
13
FIELD WINDING
STATOR AUX. WINDING 6
3
42 VAC
7
9
5
GND-E
6
3
5L
GND-K BOTTOM GND. SCREW ON
INSIDE OF CASE FRONT
4 8
208 P60
GND-E 5H
GND-L
5G
J60
5K
GND. SCREW ON
1 5F
CENTER BAFFLE
5
5
CENTER GND. SCREW ON
INSIDE OF CASE FRONT
3
31
6 TOP GND. SCREW ON GND-M
P61 WHITE
4C INSIDE OF CASE FRONT
5C
4B J61
5A
4
4A FRAME GND.
1
GND-A 5B
6 12 GND-J
32
77C
FRAME GND. GND-G
20A
P62
GND-B
J102 BLACK
76C
J62
3D
CB1
76B
75C GND-D
SILVER
5A 20A
1 7
BLACK
BYPASS CND-C 6E
CB2
J101
SILVER
5B
35A
CB5
3A
BLACK
3E
J100
35A
3E
115/230V
CB6
BLACK
6F
6B
WHITE
WHITE
5C
TERM.
ELECTRICAL DIAGRAMS
D1 - THREE PHASE BRIDGE RECTIFIER
STATOR
WELD
WINDINGS
W3
W1
W2
W3
14
13
118A
115A
116A
5L
101A
105A
12
11
200B
9
209
7 D3 25A
3 C3
CB7
800uf
150vdc
212A
201A
212
200A 200
6
S1RUN-STOP
SWITCH
(SHOWN IN
RUN POS.) 210C
201
WHITE S1 S2
5H
START
BUTTON
3A
NEG. BRUSH POS.BRUSH
3A
6B
210A
5C ROTOR
POSITIVE BRUSH CONNECTED
3
212 A
210
TO SLIP RING NEAREST
TO THE LAMINATION
6B
3
6
P51
J51
1 2 3 4
CR1
ENGINE
STARTER
TERMINAL BLOCK
SOLENOID
TO
SPARK
OIL
REGULATOR PLUGS
PRESSURE
AC B+ AC
SWITCH B-
IGNITION
CONTROL
FLYWHEEL ALTERNATOR
CAPACITOR
ONAN ENGINE COMPONENTS
S6 MODE SELECTOR SWITCH
CV
214
1
PIPE
218
2
C1
CC (LOCATED BELOW
3
R1 OUTPUT CONT. POT TERMINAL 1)
220
4
CCW TIG
R2 ARC CONTROL 222
10K
CCW
10K 77
75
76
279
277
278
CONTACTOR
CONTROL
4A
2A
4
S3
2
SHOWN IN
"WELDING ON"
POSITION
IDLER CONTROL
251
S4
250
SHOWN IN
"AUTO" POSITION
IDLE SOLENOID
210C
215
211
211A
210B
224B
+
HOUR METER
5G
209
12 VOLT +
BATTERY
229
FRAME
GROUND
228
GND-H
GND-J
ENGINE
STARTER
GROUND
231
230
G-3
222
220
218
214
206S
204S
76
77
75
278
279
277
75A
76A
2
77A
4
230
232
233
231
208B
250
251
215
210D
260A
23
261A
25
116A
5F
105A
101A
118A
115A
224B
228
210B
210D
229
200
211
5K
RANGER 250