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Section E-1Section E-1

TABLE OF CONTENTS

-THEORY OF OPERATION SECTION-

Theory of Operation

Section E

Battery, Starter, Engine, Excitation, Rotor,

 

Stator, and Idler Solenoid

E-2

Rotor Field Feedback and Auxiliary Power

E-3

Weld Winding, Reactor, and Range Switch

E-4

Output Bridge, Choke, Polarity Switch, and Output Terminals

E-5

RANGE

SWITCH

 

AC

 

 

ELECTRODE

 

 

 

 

 

OUTPUT

CHOKE

POLARITY

TERMINAL

 

 

REACTOR

AC BRIDGE

 

SWITCH

 

 

 

 

 

 

WORK

STATOR

TERMINAL

MECHANICAL

ROTATION

ROTOR

STARTER ENGINESLIPROTOR

RINGS

Master

FLYWHEEL

ALTERNATOR

IDLER

STATOR

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SOLENOID

PRINTED

CIRCUT

BOARD

BATTERY

FIELD

CAPACITOR

115 & 230VAC

RECEPTACLES

OUTPUT

CONTROL

FIELD

BRIDGE

FIGURE E.1 – RANGER 8 BLOCK LOGIC DIAGRAM

RANGER 8

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Lincoln Electric SVM107-B service manual Table of Contents Theory of Operation Section