Electrical diagrams, Wiring diagram- classic iii, Classic iii - wiring diagram – Lincoln Electric CLASSIC III SVM 137-A User Manual
Page 121
ELECTRICAL DIAGRAMS
G-5
G-5
CLASSIC III/IIID
Wiring Diagram- Classic III
NOTE:
Lincoln Electric assumes no responsibility for liablilities resulting from board level troubleshooting. PC Board repairs will invalidate your
factory warranty. Individual Printed Circuit Board Components are not available from Lincoln Electric. This information is provided
for reference only. Lincoln Electric discourages board level troubleshooting and repair since it may compromise the quality of the design
and may result in danger to the Machine Operator or Technician. Improper PC board repairs could result in damage to the machine.
CONTROL PANEL COMPONENTS
SHOWN AS VEIWED FROM REAR.
LEAD COLOR CODE
B-BLACK
G-GREEN
N-BROWN
B
R
+
-
+
-
Y
R
W
B
B
U
U
SLIP RINGS
TO IRON
R
N
A
5
4
3
2
1
ALTERNATOR
AUXILIARY
POWER
WINDINGS
CURRENT
TRANSFORMER
CB3
CB1
115 VOLT
RECEPTACLE
230 VOLT
RECEPTACLE
Y
NEGATIVE
SELECTOR
SWITCH
WELDER
LEAD BLOCK
AC
AC
CR2 REED
RELAY
42
602A
G
U
CB2
CB4
FUSE
15A.
1
2
3
4
5
6
7
8
9
10
11
12
1
2
3
4
5
6
600A
41
GENERATOR
N
-W
+Y
G
G
W
B
B
600B
610
610
602B
IDLER
P.C.
BOARD
U
U
R
W
Y
ALTERNATOR
ROTOR
SLIP RING
NEAREST
J5
P9
J8
POSITIVE
ELECTRICAL SYMBOLS
PER E1537
P10
+Y
-W
N
U
W
B
RHEOSTAT
MOTOR
+
GROUND
GROUND
TO BASE
TO ENGINE
EXC
ALTERNATOR
S
B
+
STARTING
OIL PRESSURE
SWITCH
G
IGNITION
SWITCH
START
ENGINE
+
H
IDLER
SWITCH
+
A
IDLER
SOLENOID
-
HOUR
METER
-
B
OIL
PRESSURE
LIGHT
U
R
Y
Y
N
R
U
G
W
R
H-BROWN
&WHITE
(CC-)
(CC+) & (CV+ WITH W.F.M.)
60D
56A
L9263
CLASSIC III - WIRING DIAGRAM
50A
G
NEUTRAL BONDED TO FRAME
NEUTRE RACCORDE AU BATI
TO PLUGS
IGNITION
COIL
DISTRIBUTOR
+
-
CARBURETOR
R
R
B
FUEL SHUT-OFF
TO PLUGS
IGNITION
COIL
DISTRIBUTOR
IGNITION
RESISTOR
+
-
BAT
R
B
R
ALTERNATE IGNITION CIRCUIT
(WITH RESISTOR) SUPPLIED
ON EARLIER ENGINES
(LEADS APPEAR ON
EARLIER UNITS ONLY)
10-31-97L
Y
B
SEE
BELOW
*
W
G
PLUG FOR
REMOTE CONTROL
POTENTIOMETER
B
*
P8
1
2
3
4
5
6
X
41
600
42
602
R
W
R
BELOW
SEE
*
REMOTE CONTROL RECEPTACLE & SWITCH
X
Y
CONNECT
TO CASE
WITH MACHINE NOT RUNNING, REMOVE PLUG "P9" ON
MACHINE FROM CONNECTOR "J8". THEN CONNECT
PLUG "P8" ON REMOTE CONTROL TO
CONNECTOR "J8" ON MACHINE.
THE RED AND BLACK LEADS ARE USED ON CLASSIC I MACHINES ONLY AND ARE NOT
CONNECTED ON THIS MACHINE. DAMAGE TO THE REMOTE CONTROL AND/OR MACHINE
K924-1 REMOTE CONTROL (OPTIONAL)
REMOTE CONTROL
POTENTIOMETER BOX
SWITCH FOR LOCAL OR
REMOTE CONTROL SHOWN
IN LOCAL POSITION.
WILL RESULT IF THE RED AND BLACK LEADS ARE CONNECTED IN THE CLASSIC III.
#2 HEAVY LEAD
WIRE FEED MODULE (OPTIONAL)
WIRE
FEED
MODULE
NEG.
POS.
OUTPUT TERMINALS
CONNECT TO POS. & NEG.
CONNECT TO NEG.
BRUSH HOLDER
608
609
#2 HEAVY LEAD
#8 LEAD
MACHINE MUST NOT BE RUNNING
WHEN MAKING THESE CONNECTIONS.
*
ON MACHINE, REMOVE PLUG "P10" FROM CONNECTOR "J5".
CONNECT PLUG "P5" ON W.F.M. TO CONNECTOR "J5" ON MACHINE.
250 AMP
THERMOSTAT
ASSEMBLY
INLINE
CONNECTORS
W.F.M.
CONTROL
PANEL
NEGATIVE CV
OUTPUT TERMINAL
PANEL
PLUG
(P5)
Y
B
SEE
BELOW
*
W
G
B
*
P8
1
2
3
4
5
6
X
41
600
42
602
W
R
BELOW
SEE
*
REMOTE CONTROL RECEPTACLE & SWITCH
X
Y
CONNECT
TO CASE
K924-4 REMOTE CONTROL (OPTIONAL)
REMOTE CONTROL
POTENTIOMETER BOX
SWITCH FOR LOCAL OR
REMOTE CONTROL SHOWN
IN LOCAL POSITION.
RESISTORS
1
2
3
4
5
6
7
8
9
10
11
12
P11
SEE
BELOW
*
*
*
*
PLUG FOR REMOTE
CONTROL POTENTIOMETER
WITH MACHINE OFF, REMOVE PLUG "P9" ON MACHINE FROM CONNECTOR "J8". THEN CONNECT
PLUG "P8"
ON REMOTE CONTROL KIT TO CONNECTOR "J8" ON MACHINE.
IF A WIRE FEED MODULE IS INSTALLED, WITH THE MACHINE OFF, DISPOSE OF THE UNCONNE
CTED
PLUG "P10" (IF ONE IS ON THE MACHINE). FASTEN THE NEW PLUG "P11" NEARBY, LEAVING
IT
UNCONNECTED.
IF NO WIRE FEED MODULE IS INSTALLED, WITH THE MACHINE OFF, DISCONNECT PLUG "P10"
ON THE
MACHINE FROM CONNECTOR "J5". CONNECT PLUG "P11" FROM THE REMOTE CONTROL KIT TO C
ONNECTOR
"J5" ON THE MACHINE.
THE RED AND BLACK LEADS ARE USED ON CLASSIC I MACHINES ONLY AND ARE NOT CONNECT
ED ON THIS
MACHINE. DAMAGE TO THE REMOTE CONTROL AND/OR MACHINE WILL RESULT IF THE RED AND
BLACK
LEADS ARE CONNECTED IN THE CLASSIC III.
RESISTORS
CAUTION:
PLUG INSTALLED OR A WIRE FEED MODULE INSTALLED.
DAMAGE CAN OCCUR TO THE REMOTE CONTROL SWITCH IF IT IS USED WITHOUT THE "P11"