Lincoln Electric SVM103-A service manual Figure B.2 Gasoline Engine Controls

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			B-4
	OPERATION
5.	GROUND STUD: Provides a connection point for	7.	20 AMP, 240 VOLT RECEPTACLE: Connection
	connecting the machine case to earth ground for		point for supplying 240 volt power to operate one
	the safest grounding procedure.		electrical device.
6.	20 AMP CIRCUIT BREAKERS (2): Provide sepa-	8.	20 AMP, 120 VOLT DUPLEX RECEPTACLE:
	rate overload current protection for the 120 volt		Connection point for supplying 120 volt power to
	and 240 volt receptacles.		operate one or two electrical devices.

FIGURE B.2 – GASOLINE ENGINE CONTROLS

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2
	AIR
	IN
	ENGINE
	EXHAUST
1	LINCOLN
	ELECTRIC
	AIR
AIR
OUT	OUT

		3	4
	POWER ARC	4000
70	80
MIN.
MAX.	90
	100
ELECTRODE SELECTION GUIDE

11

12

5

6

7

8

9

10

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1.	FUEL SHUTOFF VALVE	7.	AIR MIXTURE ADJUSTMENT SCREW
2.	FUEL TANK AND CAP	8.	RECOIL STARTER
3.	MUFFLER	9.	CHOKE
4.	PIERCING STOP SWITCH	10.	FUEL MIXTURE ADJUSTMENT SCREW
5.	AIR CLEANER	11.	OIL DRAIN PLUG
6.	THROTTLE	12.	OIL FILL PLUG

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GASOLINE ENGINE CONTROLS

See Figure B.2 for the location of the following fea- tures:

1.FUEL SHUTOFF VALVE: Stops the flow of gaso- line from the fuel tank to the carburetor. Should be closed whenever you are finished using the POWER-ARC 4000. Must be opened before you start the engine.

2.FUEL TANK AND CAP: Holds 1.0 gallon (3.8 liters) of unleaded gasoline. Contains a 50 micron fuel filter molded at the outlet port.

NOTE: If you use any other alternate fuel tank or supply, be sure to use a recommended in-line fuel filter.

3.MUFFLER: Reduces engine noise output. Does not serve as a spark arrester. See SPARK ARRESTER in the INSTALLATION section of this manual.

4.PIERCING STOP SWITCH: Stops the engine by grounding the spark plug.

5.AIR CLEANER: Filters intake air to the carbure- tor. See ENGINE MAINTENANCE in the MAIN- TENANCE section of this manual for details about the specific type of air cleaner to use.

6.THROTTLE: Adjusts the running speed of the engine. The engine runs at high idle

when not under load. Rotating the spring-loaded throttle clockwise can temporarily reduce engine speed to

low idle speed. Releasing the throttle returns the speed to high idle.

POWER-ARC 4000