Lincoln Electric POWER-ARC 4000 SVM103-A - Manual (Page 19)

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5. GROUND STUD: Provides a connection point for
connecting the machine case to earth ground for
the safest grounding procedure.
6. 20 AMP CIRCUIT BREAKERS (2): Provide sepa-
rate overload current protection for the 120 volt
and 240 volt receptacles.
7. 20 AMP, 240 VOLT RECEPTACLE: Connection
point for supplying 240 volt power to operate one
electrical device.
8. 20 AMP, 120 VOLT DUPLEX RECEPTACLE:
Connection point for supplying 120 volt power to
operate one or two electrical devices.
POWER-ARC 4000
B-4
OPERATION
R ELECTRIC
LINCOLN
ENGINE
EXHAUST
AIR
IN
POWER ARC 4000
ELECTRODE SELECTION GUIDE
80
90
100
MAX.
MIN. 70
AMPS
AMPS
AMPS AMPS
AIR AIR
OUT OUT
1
2
3
4
5
6
7
8
9
10 11
12
FIGURE B.2 – GASOLINE ENGINE CONTROLS
1. FUEL SHUTOFF VALVE
2. FUEL TANK AND CAP
3. MUFFLER
4. PIERCING STOP SWITCH
5. AIR CLEANER
6. THROTTLE 7. AIR MIXTURE ADJUSTMENT SCREW
8. RECOIL STARTER
9. CHOKE
10. FUEL MIXTURE ADJUSTMENT SCREW
11. OIL DRAIN PLUG
12. OIL FILL PLUG
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.