Lincoln Electric RANGER 9 SVM 110-A Service Manual page 51

Section E-1
-THEORY OF OPERATION SECTION-
Theory of Operation .............................................................................................................Section E
Battery, Starter, Engine, Rotor,
Stator, and Idler Solenoid...................................................................................................E-2
Rotor Field Feedback, Auxiliary, and Wire Feeder Power.....................................................E-3
Weld Winding, Reactor, and Range Switch...........................................................................E-4
Output Bridge, Capacitors, Choke, Polarity Switch, Contactor and Output Terminals........E-5
STARTER
FLYWHEEL
ALTERNATOR
BATTERY
BY-PASS
BOARD
CONTACTOR CLOSURE
OUTPUT
CONTROL
115VAC
42VAC
6 PIN 14 PIN
AMPHENOL AMPHENOL
RANGER 9
TABLE OF CONTENTS
REACTOR
MECHANICAL
ROTATION
ENGINE ROTOR
SLIP
RINGS
IDLER
SOLENOID
PRINTER
CIRCUT
BOARD
FIELD
CAPACITOR
REMOTE
SWITCH
FIGURE E.1 – RANGER 9 BLOCK LOGIC DIAGRAM
RANGE
SWITCH
AC
PART OF
OUTPUT
RANGE
RECTIFIER
SWITCH
BRIDGE
CAPACITORS
AC
STATOR
ROTOR
115 & 230VAC
RECEPTACLES
FIELD
BRIDGE
Section E-1
CHOKE
WORK
TERMINAL
OUTPUT
CONTACTOR
ELECTRODE
TERMINAL
CONTACTOR CLOSURE
RANGER 9