Lincoln Electric RANGER 8 SVM107-B Service Manual page 35

Section E-1
-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
STARTER ENGINE
FLYWHEEL
ALTERNATOR
BATTERY
OUTPUT
CONTROL
TABLE OF CONTENTS
REACTOR
MECHANICAL
ROTATION
ROTOR
SLIP
RINGS
IDLER
SOLENOID
PRINTED
CIRCUT
BOARD
FIELD
CAPACITOR
FIELD
BRIDGE
FIGURE E.1 – RANGER 8 BLOCK LOGIC DIAGRAM
RANGER 8
RANGE
SWITCH
AC
CHOKE
OUTPUT
BRIDGE
AC
STATOR
ROTOR
STATOR
115 & 230VAC
RECEPTACLES
Section E-1
ELECTRODE
TERMINAL
POLARITY
SWITCH
WORK
TERMINAL