Gasoline Engine Controls - Lincoln Electric POWER-ARC SVM103-C Service Manual

B-5
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.
2
LINCOLN
R
ELECTRIC
1
AIR AIR
OUT OUT
1. FUEL SHUTOFF VALVE
2. FUEL TANK AND CAP
3. MUFFLER
4. ROTARY STOP SWITCH
5. AIR CLEANER

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.
OPERATION
FIGURE B.2 – GASOLINE ENGINE CONTROLS
AIR AIR
IN
ENGINE ENGINE
ELECTRODE SELECTION GUIDE
EXHAUST EXHAUST
AIR AIR
OUT OUT
POWER-ARC 4000
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.
3
POWER ARC POWER ARC 4000
80
70
AMPS
MIN. AMPS
MAX. 90
AMPS
100
AMPS
9
6. CHOKE
7. RECOIL STARTER
8. OIL DRAIN PLUG
9. OIL FILL PLUG
3. MUFFLER: Reduces engine noise output. Does
not serve as a spark arrester. See SPARK
ARRESTER in the INSTALLATION section of this
manual.
4. ROTARY STOP SWITCH: Stops the engine by
grounding the ignition circuit.
5. AIR CLEANER: Filters intake air to the carburetor.
See ENGINE MAINTENANCE in the MAINTE-
NANCE section of this manual for details about
the specific type of air cleaner to use.
6. CHOKE: Provides a richer air/fuel
mixture for cold engine starting con-
ditions. See the topic ENGINE
OPERATION, below, for details on
setting the choke.
B-5
5
4
6
7
8