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TABLE OF CONTENTS-THEORY OF OPERATION SECTION
E-1 E-1
RANGER® 3 PHASE
Theory of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E-1
General Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E-2
Engine Components and Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E-2
Rotor, Stator and Control Circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E-3
Weld Circuitry . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E-4
FIGURE E.1 BLOCK DIAGRAM
IDLER
SOLENOID
OUTPUT
CONTROL
MECHANICAL
ROTATION
FIELD
CAPACITOR
SLIP
RINGS
RANGE
SWITCH
OUTPUT
BRIDGE
CHOKE
AC
AC
WORK
TERMINAL
PRINTED CIRCUIT
BOARD
TOROIDTOROID**
ENGINE
FLYWHEEL ALTERNATOR/
VOLTAGE REGULATOR
BATTERY
HOUR
METER
OIL
PRESSURE
SWITCH
+
-
STARTER
FUEL
SHUTOFF
SOLENOID
STARTER
SOLENOID
ENGINE
CONTROL
SWITCH*
4
3
2
1
ZY
3
5
6
X
120 & 230 VOLT
BREAKERS AND
RECEPTACLES
EXCITER
WINDING
AUXILIARY
WINDINGS
WELD WINDINGS
Z X Y
480 VOLT 3 PHASE
BREAKER AND
RECEPTACLE
W2
C1
W1
TOROIDTOROID**
254
3 6 X
*
Lead 254 - 1 turn through the toroid
Leads 3 & 6 - two turns through the toroid in opposite directions.
Lead X passes though the toroid in the same direction as lead 6
STATOR
+
--
ELECTRODE
TERMINAL
POLARITY
SWITCH
ROTOR
FLASHING
DIODE
E
S2
WAC
REACTOR
7 9
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