Lincoln Electric SVM204-A service manual 1TABLE of CONTENTS-THEORY of Operation Section E-1

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E-1TABLE OF CONTENTS-THEORY OF OPERATION SECTION E-1

Theory of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E-1

Engine Starting, Protection and Battery Charging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E-2,E-3

Automatic Idle System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E-4

Generating Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E-5,E-6

				FIGURE E.1 BLOCK LOGIC DIAGRAM
							CURRENT	120 VAC RECEPTACLES		240 VAC
							SENSOR
									RECEPTACLE
		OIL LEVEL						CB1	CB3
OIL		INDICATOR
LEVEL								CB2	CB4
MODULE
(KOHLER)							REACTOR
		OIL LEVEL			AUXIIARY WINDINGS
		SWITCH		RINGS		STATOR
				SLIP						+
				_ +		WELD		OUTPUT	CHOKE
										OUTPUT
		IGNITION	ENGINE		ROTOR	WINDINGS		RECTIFIER
										STUDS
								(2 PHASE)
					BRUSHES
		STARTER /	ALTERNATOR	IDLE	EXCITER
		SOLENOID		SOLENOID	WINDING
		10 AMP						BOOST
								WINDING
		FUSE
		OFFAUTO
_	+	HIGH
		START
BATTERY				ENGINE
				SHUTDOWN
				RELAY				OUTPUT
						AUTOMATIC	OUTPUT	CONTROL
						IDLER	CONTROL CIRCUIT
						CIRCUIT
			HOUR
			METER		FIELD / CONTROL PC BOARD
					OUTBACK® 185