Lincoln Electric CLASSIC I SVM134-A - Manual (Page 39)

Section E-1 Section E-1
CLASSIC I
Theory of Operation ............................................................................................................. Section E
General Description ...............................................................................................................E-2
Battery, Starter, Engine Alternator and Oil Switch Circuit .....................................................E-2
Engine, Main Generator Armature and Frame and DC Exciter.............................................E-3
Excitation (Flashing)........................................................................................................E-3
Main Shunt, Interpole and Series Coils ..........................................................................E-3
Current Range Selector ..................................................................................................E-4
Fine Current Adjustment ................................................................................................E-4
Engine Idler Circuit ..........................................................................................................E-4
DC Generator Machines ........................................................................................................E-5
TABLE OF CONTENTS
-THEORY OF OPERATION SECTION-
NEGATIVE
OUTPUT
TERMINAL
POSITIVE
OUTPUT
TERMINAL
RESIDUAL
MAGNETISM
ARMATURE
SHAFT
GENERATOR
ARMATURE
BRUSHES
&
COMMUTATOR
GENERATOR
FRAME
SERIES
COILS
INTERPOLE
COILS
SHUNT
WINDINGS
GENERATOR
FIELD CONTROL
FIELD
MECHANICAL
COUPLING
REED
RELAY
CR2
SELECTOR
SWITCH
IDLER
BOARD
IDLER
SOLENOID
OIL
PRESSURE
ENGINE
ALTERNATOR
STARTER
MOTOR
BATTERY
ENGINE
IGNITION
SWITCH
SWITCH
ENGINE
HOUR
METER
OIL
PRESSURE
LIGHT
115 VDC
RECEPTACLE
FUEL
SHUTDOWN
ENGINE
IGNITION
SHUNT
FIELD
SERIES
FIELD
ARMATURE
EXCITER
DC
FIGURE E.1 – CLASSIC I BLOCK LOGIC DIAGRAM
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