ELECTRICAL DIAGRAMS G-17
RANGER 305D

SCHEMATIC - ENTIRE MACHINE - CODE 11027(L12039) PAGE 1 OF 2

EN-168
SOLIDEDGE
L12039
RANGER 305D CE (UK)
MACHINE SCHEMATIC
NONE
L11946
MAP
BAM
-
UNLESS OTHERWISE SPECIFIED TOLERANCE
MANUFACTURING TOLERANCE PER E2056
ON2PLACE DECIMALS IS ± .02
ON 3 PLACE DECIMALS IS ± .002
ONALL ANGLES IS ± .5 OF A DEGREE
WITH PUBLISHED STANDARDS.
MATERIAL TOLERANCE (" ") TO AGREE
t
DO NOT SCALE THIS DRAWING
DRAWN BY:
DESIGN INFORMATION
ENGINEER:
APPROVED:
REFERENCE: EQUIPMENT TYPE:
SUBJECT:
SCALE:
L12039
MATERIAL
DISPOSITION: APPROVAL
DATE: PROJECT
NUMBER:
UF CRM33673
1
PAGE ___ OF ___
2
ENGINEERING CONTROLLED
MANUFACTURER: No RELEASED FROM "X"
DOCUMENT
NUMBER: DOCUMENT
REVISION:
THIS DOCUMENT CONTAINS PROPRIETARY INFORMATION OWNED BY LINCOLN GLOBAL, INC. AND MAY NOT BE DUPLICATED, COMMUNICATED
TOOTHER PARTIES OR USED FOR ANY PURPOSE WITHOUT THE EXPRESS WRITTEN PERMISSION OF LINCOLN GLOBAL, INC.
PROPRIETARY & CONFIDENTIAL:
A
CHANGE DETAIL:
6/20/03
W3
W2
D1 - THREE PHASE BRIDGE RECTIFIER
D
3
C3
800uf
150vdc
7
201
5H
200
200A
CE
L1 CHOKE
CHOPPER PC BOARD
GATE SIGNAL
ARC VOLTAGE FEEDBACK SIGNAL
TO AUX.
OUTLETS
AND
AMPHENOLS
42 VOLT AC
WIRE FEEDER
POWER
41
42
9
TWO POLE 3600 RPM ALTERNATOR
DC BUS VOLTAGE
90+/-10VDC @ HI IDLE
R1
OUTPUT
CONTROL 10K
77 (J7-1)
76 (J7-4)
75 (J7-5)
R2
ARC
CONTROL 10K
279 (J7-6)
278 (J7-7)
277 (J7-8)
(J3-14) 252
(J3-7) 251 IDLER SWITCH
(J1-4) 2
(J1-3) 4 WELD TERM. SW.
MODE
SWITCH
CC
CV
PIPE
TIG
(J7-9) 214
(J7-14) 218
(J7-15) 220
(J7-16) 222
260A (J3-4)
261A (J3-3)
TOROID-
SENSES AC
POWER TO
ACTIVATE
IDLER
WELD CONTROL
PC BOARD 42 VOLT AC
POWER FOR
ROTOR FIELD CIRCUIT
12 VOLT
BATTERY
(J2-7) 210B
(J2-5) 215
(J2-4) 404
YELLOW
BATTERY
CHARGING
LIGHT
(J2-1) 200N
ELECTRIC
FUEL
PUMP
OILPRESSURE
SWITCH
(CLOSES ON
LOW OIL
PRESSURE)
HOUR METER
(J2-9) 224B
GLOWPLUG
SWITCH S7
RUN-STOP SWITCH
(SHOWN IN RUN)
15A BATTERY
CIRCUIT BREAKER
209
212
204S (J6-1)
206S (J6-2)
208B (J3-15)
23 (J3-10)
25 (J3-9)
5K (J2-3)
FRAME
GROUND
REMOTE
CONTROL 10K
77A (J1-11)
76A (J1-14)
75A (J1-10)
SHUNT
50MV=400 AMPS
206S204S WELD CURRENT
FEED BACK SIGNAL
POSITIVE
OUTPUT
TERMINAL
NEGATIVE
OUTPUT
TERMINAL
BY-PASS
PC BOARD
208C
208
21
WIREFEEDER
VOLTMETER
POLARITY
SWITCH
206A
208A
STARTER
SOLENOID
STARTER
MOTOR
224
210
+
SLIP RINGS
50 V DC +
+
10V
0-10 V
0V
10V
-15 V (W/O POT.)
0V
0V
15 V
15 V
0V
IGBT (8)
TWISTED
PAIR
(TO AMPHENOL)
(TO AMPHENOL)
2A
4A
(TO AMPHENOL)
206C
206B
41A
A
B
C
D
E
F
77A
21
42A
75A
GND-A
4A
2A
76A
77B
76B
75B
REMOTE
GROUND
AMPHENOL
CONTROL
INPUT TO
AMPHENOL
CONTACTOR
WORK
REMOTE
CONTROL
42VAC
GROUND
AMPHENOL
D
C
H
B
K
E
F
G
I
77B
76B
75B
GND-B
4B
2B 4B
2B
+12 to 14V @ RUN (INPUT)
B7 B8
B6
B3
B5
B2
B4
B1
+COM
-INPUT
-OUTPUT
+12 to 14V @ NORMAL OIL PRES. (IN P UT)
R3 25 OHM
13(J3-8) 14 (J3-16)
(J1-7) 305
(J1-12) 305
305 I.D. JUMPER (Part
ofamphenol plug and
leadassembly.)
ALTERNATOR
IGN
L
BAT FUEL
SOLENOID
PULL
HOLD
BLACK
WHITE RED
START BUTTON
SWITCH S2
GLOWPLUGS
YELLOW
ENGINE
PROTECTION
LIGHT
CR1
9B
A
3
COOLANT
TEMPERATURE
SWITCH
(CLOSES ON HIGH
TEMPERATURE
ABOVE 230F)
IDLE
SOLENOID
PULL
HOLD
BLACK
WHITE RED
404 (J43-8)
PULL COIL
PC BOARD
B2
B1
B4
+15V @ LOW IDLE TO PULL COIL BOARD
LOW IDLE SOLENOID HOLD COIL (0V @ LOW IDLE)
60 TO 65 VAC PHASE TO PHASE
BETWEEN W1, W2 AND W3
AT HIGH IDLE
210
210
229225
223
211
209
209 231
215
232
228
D4
TWISTED
PAIR
REVOLVING FIELD
FIELD RESISTANCE
APPROX. 5 OHMS @ 75F
ENGINE
PROTECTION
RELAY
GLOWPLUG SWITCH ENE RGIZES
ELECTRIC FUEL PUMP AND FUEL
SOLENOID HOLD COIL THRU D4. IT
ALSO FUNCTIONS AS AN ENGINE
PROTECTION BYPASS UNTIL OIL
PRESSURE BUILDS UP.
IF COOLANT TEMP SWITCH OR OIL PRESSURE SWITCH
CLOSE, CR1 ENERGIZES OP E NING CONTACTS AND
SHUTTING OFF FUEL SOLENOID TO STOP ENGINE.
FUEL SOLENOID PULL
COIL IS ENERGIZED BY
STARTER SOLENOID.
TWISTED
PAIR
FLYBACK
DIODES (6)
FILTER
CAPACITORS (4)
+
IGBT'S, FLYBACK DIODES AND
FILTER CAPACITORS ARE INTEGRAL
TO CHOPPER MODULE AND NOT
INDIVIDUALLY REPLACEABLE .
ROTORFLASHING
R4
50OHM
100 W
10,000uF x4
Shunt onback of positive
output terminal
Choke is beneath bearing end
ofgenerator on support.
Chopper is mounted on the back side of fan

bafflenear top of machine.

Rectifier mounted to generator support
above output choke.
Located on front of fan
bafflenear top of
machine.
R3located on front of fan baffle
onleft side near bottom of
machine
R4islocated on front of
fan baffle near top of
machine
C3and D3 locatedon rear of fan baffle
on left side of machine.
RelayCR1 and D4 locatedon fron
baffle on right side of machine.
Located next to
control board.
P/N G4107-1
Located on wiring behind
receptacles.
Open Circuit Volts:
CC Max Min
58 58
58 58
58 26
12 12
CV
Pipe
Tig
Located on back of
output panel
between terminals
Control board common is
atwelder positive output
and shunt
Control board circuits associated with J2 arepart
ofengine electrical system and are common to
frame ground (negative battery terminal.
Rotor Flashing: +12 volts
@0.5 amps
until generator builds up
then +50 volts @ 0 amps.
Swich closed for high idle.
Battery charge lamp will be
onwhenever RUN/STOP
switch is in RUN position and
alternator is not charging
Battery voltage:
12.6 volts at rest
14volts engine
running
PL1
PL2
P/N L11768-1
TIMER
CIRCUIT
+15V @ LOW IDLE
IDLE SOLENOID
ENEGIZED FOR
LOW IDLE
FUEL
SOLENOID
AND FUEL
PUMP
ENERGIZED
FOR RUN
S1
0.2 OHM
11 OHMS
0.2 OHM
11 OHMS
WELD AMMETER WELD VOLTMETER
(J4-1 to 10) (J5-1 to 10)
Meters display setpoint volts oramps when not welding.
Meters display actual volts and ampswhen welding.
Holdfunction displays actual volts and amps for
approximately 5 seconds after welding stops.
During this hold display the right most decimal point will
blink.
Power Supply
toControl
Board
PWM Signal to Chopper
15 volt @ 20 kHz
p/n L11845-1
W1
A
J
C-5
B-5 230 VAC, 1 PH.
A-5
C
A
5
B
A-B-C 400 VAC, 3 PH.
NOCONNECTION
32
31
D
ED-E 115 VAC, 1 PH.
CENTER-TAP
EARTH

G-17

NOTE: This diagram is for reference only.It may not be accurate for all machines covered by this manual.
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