4
Systematics, Inc. West Chester, PA. 19380
CONTACTOR SWITCH
CONNECT
"230" WIRE FOR
OPERATION ON
230 VOLT INPUT.
CONNECT "208"
WIRE FOR
OPERATION ON
208 VOLT INPUT
FRONT OF
MACHINE
2. Rapidly open and close the cyl-
inder valve. This will purge
dust and foreign matter from the
valve.
CAUTION
Take care to point the
valve outlet away from
yourself or other people,
as escaping high pressure
gas may be dangerous.
3. Attach the gas regulator - flow-
meter supplied with this unit,
to the cylinder valve using a
suitable wrench.
NOTE
If this unit is to be used
with 100% CO2 shielding
gas, an optional gas regu-
lator coupler is required.
2. Locate the contactor switch,
which is mounted on top of the
main power transformer(See Fig-
ure 5).
CAUTION
MAKE SURE POWER SOURCE IS
UNPLUGGED BEFORE MAKING IN-
PUT SELECTION CHANGE-OVER.
3. Attached to the power source’s
contactor is one (2) two posi-
tion plug which allows easy
selection of input voltages of
either 208 or 230 volts.
4. Remove the one (1) plug labeled
230V and connect the one (1) plug
labeled 208V.
5. Reattach the top cover of the
machine. Voltage input selec-
tion is now complete.
SHIELDING GAS CONNECTIONS
1. Place a cylinder of the appro-
priate shielding gas in the rack
at the rear of the machine and
secure it with the chain pro-
vided. See recommended gases on
page 2.
4. Fit the gas hose from the welding
machine to the regulator outlet
fitting and tighten it with a
suitable wrench. Open the cyl-
inder valve.
FIG. 5. INPUT VOLTAGE SELECTIONS
FIG. 6. GAS FLOW ADJUSTMENT
GAUGE -
INDICATES
TANK
PRESSURE
OUTLET
FITTING
TO
WELDING
MACHINE
GAS FLOW
ADJUSTING
KNOB
INLET
FITTING
TO
TANK
FLOW TUBE
INDICATES
FLOW RATE
IN C.F.H.
