Lincoln Electric IM962 RED-D-ARC DX450 - Manual (Page 45)

F-8 DIAGRAMS F-8
DX450 (RED-D-ARC)
NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual. The specific diag
ram for a particular code is included
with the machine. If the diagram is illegible, write to the Service Department for a replacement. Give the equipment code num
ber.
G6949
CB
6
10A
42A
42
RECTI
F
IE
R
BRI
D
GE
42
A
41
A
41
ST
A
R
T
BUT
TO
N
206A
206S
208A
+ 50MV=400
A M
P S
W4
&
W5
W2
&
W3
W1
&
W6
204S
ST
A
T
O
R
42V
W
INDI
N
G
208
31 32 4B 21 77B
21 2B 75B GN
D
-A
41
A
42A 76B
115VA
C
CO
N T A C
TO
R
WO
R K
42V
A C
GR
OU
N D
14
PI
N
R
E
MO
T
E
206C
J A D C H B K E F G I
I A B C
76B 77B
3 P
IN RE
MO
TE
77A 76A 75
A
75B
- +
23
25
41A
NE
U T RA
L S
T UD
O
N
A U XI
LI A R Y PO
W
E R
RE
C E P T A C L E P
A NE
L
A U XI
LI
A R Y PO
W
ER
LEA
D S PA
SS TH
RO
UG
H
TOROI
D TH
REE TI
M
ES
IN
DI
REC
T IO
N
IN
DI
CA
TED
B2
-P
OS
B4
-NEG
B4
-NEG
B5
-P
OS
B1
-N
EG B2
-P
OS
CHOP
P
E
R
PCB
3
13C
14
260
261
B6 B5 B4
B1 B2 B3
B8
B7
GR
OU
NDE
D BY
MO
U N T IN
G
GN
D -J
GN
D -A
31
5H
G
ND-J
5A
5
GN
D-
C
G ND-D GN
D-
E
50A
3 PO
LE
CB1
5D
S
T
A
T
OR
A
U
XI
L
IA
R
Y W
IN
D
IN
G
S
GN
D -L
5
3
5A
6A
J1
3
6
6A
B5
-P
OS
B1
-N
EG
L1 CHOKE
BY
P
A
S
S
F
IL
T
ER
A
SSEM
B
L
Y
S W
IT
CH
C
O NTA
C T S
SHO
W
N I
N
"
+ "
PO
SI
TI
O
N
RE
M
O
TE
CO
N T RO
L
RE
M
O
TE
CO
NT
RO
L
VO
LT
M
E
T
E
R
AM
M
E
T
E
R
M1
M2
M3
M4
M5
M6
M9
M10
M1
M2
M3
M4
M5
M6
M9
M10
1
5
220
VO
L T M
E TE
R
M1
M2
M3
M4
M5
M6
M9
M10
1
5
AM
M
E T E R
M1
M2
M3
M4
M5
M6
M9
M10
25
23
VRD
W
E
LD BO
A
R
D
278
279
277
2 1
204S 206S
208C 256
260
214
PCB1
1
8 6 1
9
J7
J3
1 9
16 8 1
6
7
12
1
16
9
8
6
10
J4
J5
6
10
CO
N
T RO
L,
M
O DE SE
L.
CHOP
PER,
PO
W
E R,
P
W
M
, T
H
E RM
A
L
x
13
14
77
76
75
2
4 75A
76A
77A
J6
S HUNT
J1
A M
P H EN
O
L ,I.D
.
J2
E N G
IN
E ,P
ER
IPH
E R
A L
AL
T 244 243
232K
232B
232C
232C
OI
L
P
R
ESS
U
R
E
241
228
5L
229
232B
COO
L
A
N
T
TEM
P
E
R
A
T
URE
232K
5K
4
1 J5
1
1 2 VOL
T GR
OU
N
D S
T U
D
ON
UPPER
CO
N T RO
L P
A NE
L
5L
5U
1GV
5J
5K
RUN/
STOP
SW
IT
C
H
SH
O W N I
N
"R
U N " P
O S IT IO
N
238B
236C
CB5 10A
236B STO
P
RUN
238A
231A
SENSO
R
SENSOR
F
U
EL
L
EVEL
SE
NSO
R
WK
28G
V
262
5J 229 228 241
G
27G
V
SW
IT
C H
SW
IT
C H
O
IL
P
R
ESS
U
R
E
S
E
N
S
O
R & S
W
IT
CH
COO
L
A
N
T TEM
P
ER
A
T
URE
SE
NSO
R
&
SW
IT
C
H
- +
-
+
201
BRU
S H
RO
T
O
R
4200MF
D
BR
U S H
201A 200A
201
300V
200B
5G 257
261
18G
V
AC
T
U
A
T
O
R
34G
V
20G
V
EN
G
INE
S
P
E
ED
SE
N
SO
R
17G
V
FU
E
L
SHO
W
N I
N
"H
IG
H " P
O S IT
IO
N
ID
L
E
R
CO
NTRO
L
SW
IT
C
H
AU
T O
HI
G
H
257 256
HO
UR M
E
TER
2A 4A 4 2
WE
L
D
IN
G
T
E
R
M
IN
AL
CONTRO
L SW
IT
CH
SHO
W
N I
N " A
LWA
YS ON"
POSI
TI
O
N
218
222
4
GN
D-
C
120/
24
0V
J10
X
Y
Z
X
W
Y
GN
D-
L
5G
3C
ST
A T O
R
WE
L D
WI
N
D IN
G S
W6
W6 W1 W1
W4 W5 W4
W5
W3
W3
W2
W2
4
240V 3PH 3B
6C
4A
ENG
INE BLO
C
K
+
12
V B
A
T
T
E
R
Y
238
- +
STA
R
TI
NG
MO
T O R
ST
A
R
T
ER
SO
L
E
NOI
D
AL
T
E
R
N
A
T
O
R
234A
238A
19GV
5P
405
9G
V
6
3
D+
232I
GL
OW
P
L
U
G
BUT
TO
N
GL
OW
PL
U
G
S
239
238C
+ -
15G
V
GR
OU
ND S
T UD I
N UPP
E R
CO
N T RO
L P
A NE
L
5F 31 5D
3D
16G
V
25
23
279
R2
277
77
76 R1
278
A
RC CO
NTRO
L
75
CCW
O
U
TPUT CO
NTRO
L
CCW
10K
10K
VI
EW
ED
FR
O
M
BA
CK
VI
EW
ED
FRO
M
BA
CK
13A 15 R4
6A
5H
200
POSI
TI
VE B
R U SH CO
N
N EC
TE
D
TO
SLI
P
RI
NG NE
A R EST T
O
T
H
E
LA
MINA
T IO
N
236D
+
232F
-
6G
V
206 208D
POS-
S H UN
T
PO
S-
S H
UN
T
WE
L D
IN
G
O
U
T P
U
T
TE
RM
IN
A L
WE
L D
IN
G
O
U
T P
U
T
TE
RM
IN
A
L
B3
C
HO
KE
B6 C
H O
K E
G ND-K
GN
D-
K
GR
OUN
D
S
T U D
O
N A
U XI
L IA
R Y
POW
E R RE
CEP
T A C LE P
A NE
L
5P
6D
4A
3C
6C
G
E NE
RA
T O R
SU
P P
O R
T
A L L
CA
SEFRO
N T CO
M
PO
N
EN
TS S
H O
W
N VI
E W
ED F
R O
M
RE
A R
EL
E
C
TR
IC
A
L
SYM
B
O
L
S PE
R E1
537
D
X
4
5
0
(R
E
D
-D
-A
R
C
)
W
IR
IN
G
D
IA
G
R
A
M FOR CODES 11788, 11908, 12087
13
14C
216 215
215
216
298
VRD ON OF
F
VRD
GRE
E N
298
297
VR
D
RE
D
296A 299
10 5
1 6
1
3 6
4
VRD
DI
S
P
LA
Y
PCB
4
208B
206B
13C
14C
250
250
J61
J60
296
296
296A
208B
GN
D
-M
GN
D
-M
32A
13C
13
400
FERR
IT
E
NO
TE:
FERR
IT
E ON
LEADS 75A & 76A (3 T
U
R
N
S)
FERR
IT
E
FERR
IT
E ON
TW
IS
TE
D P
A
IR
4 TUR
N
S
206A
206B
W
IRE FEEDER
VOLT
M
ET
E
R
SW
IT
CH
208A
208C
R3
200N 200
232
232F
5M
232I
232H
244
31GV
262
200N
243 232
6D
6E
238B
OI
L
P
R
ESS
U
R
E
B S
12G
V
230
26G
V
L 1G
13G
V 5U
WA
T
E
R
T
E
M
P
SE
NSO
R
3
4 2
1
232H
232H
230
7G
V
9G
V
17G
V
16G
V
7G
V
15G
V
6G
V
13G
V
12G
V
2G
V
1G
V
34G
V
31G
V
20G
V
28G
V
19G
V
27G
V
18G
V
26G
V
EN
GI
NE
CO
NTRO
L UNI
T
5C
20A CB2
20A CB3
3D
6E
32
A
GN
D-
E
G
ND-
D
5M
11
0
18
26
9
17
25
34
231
231
236C
CC
222
10
CV
2
217
220
218
GOUGE
3
PI
PE
MO
D
E SEL
E
C
T
O
R
SW
IT
C
H
S5
4
214
TI
G
1
A
262A
217
400A
400A
400A
A
LE
A
D
N
O
T U
S
E D
O
N
T
H
IS
MA
C
H
IN
E
LIN E
LOA D
GF
C
I
HOT WH
IT
E
SI
LVER J1
2
SI
LVER J11
LIN E
LOA D
GF
C
I
HO
T
WH
IT
E
5C
5F
6G
5E
5B
3F
6F
3E