Lincoln Electric EAGLE 10,000 Service Manual page 92

G-4
SCHEMATIC - COMPLETE MACHINE - CODE 11096 (L12259)
J51-1
IGNITION
MODULE
+
HOUR
METER
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ELECTRODE
TERMINAL
Open Circuit Volts:
DC-
Max
Min
AC
76 38
DC 68 34
32 18
CV
AC
WORK
TERMINAL
6A 6
3
3A
CB3 CB4
CB1 CB2
20A 40A 20A
40A
6B
11 3B
12
J3
J4
5K
5L
GND-D
GND-C GND-G
5
+14V IN AUTO IDLE / OV IN HIGH IDLE
2
1
AUTO IDLE (2) OFF
4
3
HIGH IDLE (3)
+14V RUN
S3 OPERATION
S3
START (4)
1 2 3 4 +BAT (1)
OFF
X X X
AUTO
HIGH X X
X X X
START
X= CLOSED CIRCUIT
211
CB7 25A
208C
J51-3
J51 - Engine
208 209A
Connector
BATTERY
Engine diodes
224A 224C
J51-2
CHARGING are in engine
ALT/REG wire harness.
U
B+
AC
ENGINE
STARTER
210
AC SOLENOID
ENGINE OIL
44 TO 45 VAC
GND
PRESSURE
BETWEEN AC ENGINE
SWITCH
TERMINALS STARTER
OPENS ON
AT HIGH IDLE
LOW OIL
PRESSURE
Resistance of fuel
solenoid cannot be
If engine oil pressure drops below safe
accurately
operating pressure, the oil pressure
measured through
switch opens removing 12 volts from
diodes.
circuit 224 shutting off fuel solenoid to
stop engine. Hourmeter will also stop
running and PCB1 will denergize idle
solenoid.
NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual.
ELECTRICAL DIAGRAMS
Choke mounted on base in
front of generator.
S2
L1 CHOKE D1 - BRIDGE RECTIFIER
POLARITY
SWITCH
DC+
AC
DC-
DC+
Rectifier mounted on top of choke and
AC reactor in front of generator..
Torroid Core located on
wiring behind receptacles.
1 TURN SAME
DIRECTION AS LEAD 6
Y
Z X
CB5
15 AMP
3 POLE
J2
480 V
Y
3-PHASE
X Z
J1
GND-I
IDLE SOLENOID COIL
-ENERGIZED FOR
SUPPRESSOR FOR
LOW IDLE.
213
D1 RECTIFIER
Idle solenoid is
8 (J1-12)
located on top of
generator stator
12 to 14 volts
5K
assembly
15 Ohms across coil when
energized
10 (J1-6)
213A (J2-1)
224C
215 (J1-3)
+14V @ NORMAL OIL PRES.
224 (J1-9)
J51-4
Fuel solenoid is mounted
OUTPUT
R R
on engine carburetor.
Battery voltage:
CONTROL
12.6 volts at rest
10K
14 volts engine running
4.74 V
77A (J1-4)
+
ENGINE DIODES
R1 76A (J1-8)
12 VOLT
BATTERY
0.64 V
75A (J1-10)
FUEL
SHUTOFF
FRAME
SOLENOID 5E (J1-2)
GROUND Control board common is
one diode drop above
REVERSE VOLTAGE
welder frame ground.
PROTECTION DIODE
CONNECTOR PIN NUMBERS:
7
4 3 12
2 1
2 1 6 3
J2 J1
STATOR
WELD
210DC/225AC WINDINGS
S1 - SELECTOR SWITCH
145 W1
WAC
90
CV
254
C1
R5 R3 R1
1 AC tapped reactor mounted
E
S2 on base in front of generator.
T
TOROID: SENSES
S1 W2
U
WELD OR AC
R
POWER LOAD TO
AC TAPPED REACTOR
STATOR AUXILIARY
N
ACTIVATE IDLER
POWER WINDINGS
2 TURNS
2 TURNS
240 V AC
6
3
37VAC 120 V AC 120 V AC
X
5
GND E
LEADS 3 AND 6 PASS
THROUGH TORROID
TWO TIMES IN
Y
OPPOSITE DIRECTIONS
Z
7
41 TO 45 VAC
9
STATOR
EXCITATION
WINDINGS
260
261
(J2-3) (J2-4)
+10V
FIELD
LOAD
FLASHING
.05 SENSOR
IDLE TIMER
CIRCUIT
130V
+
38J (12 SEC.)
-
FLYBACK
DIODE
IDLE SOLENOID
+10 VOLT
+10V
COIL
REGULATOR
SWITCHING
CIRCUIT
TRANSISTOR
(OVER-CURRENT PROTECTED)
+10V
HYSTERESIS SWITCH
68.1K
47.5
LEVEL
+
CHANGING
AND DRIVER
-
47.5
CIRCUIT
+
-
FIELD CURRENT FEEDBACK
FEEDBACK AMP
FIELD & IDLE CONTROL
PC BOARD (L12198-1)
G-4
TWO POLE 3600 RPM
ALTERNATOR
37 TO 41 VAC BETWEEN W1
AND C1 AT HIGH IDLE AND
MAXIMUM RHEOSTAT NO LOAD.
78 TO 82 VAC BETWEEN W1
AND W2 AT HIGH IDLE AND
MAXIMUM RHEOSTAT NO LOAD.
74 TO 78 VAC BETWEEN WAC
AND W2 AT HIGH IDLE AND
MAXIMUM RHEOSTAT NO LOAD.
REVOLVING BRUSHES
FIELDS
+
RESISTANCE
APPROX. 5 OHMS @ 75F
Rotor Flashing: 2.5
volts @ 0.5 amps.
10 TO 50 VDC AT
until generator build-up.
1.7 TO 6.8 AMPS
-
SLIP RINGS
219 200A
EXCITATION WINDING
VOLTS MEASURED AT
MAX RHEOSTAT HIGH
IDLE NO LOAD
PC Board
located on rear
of fan
baffle near top
of machine.
9 219 200A
7
(J1-5) (J1-11)
20
FLYBACK
DIODE
FIELD
CURRENT
0.1
FEEDBACK
RESISTOR
+
4700uF
80VDC
FIELD CURRENT
SWITCHING
TRANSISTOR
(OVER-CURRENT PROTECTED)
A
L12259
EAGLE™ 10,000