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The gas flow is manually controlled with the knob on the TIG torch. Use inert gas
(argon ) only.
CLOSE THE GAS VALVE ON THE TORCH HANDLE. Turn on gas at the gas regulator, then
open the valve on the torch handle and check for gas flow.
6.2
STARTING THE ARC BY CONTACT (LIFT ARC)
•
Fix the tungsten electrode so that it protrudes approximately 4-5mm from the torch nozzle.
•
Set the welding current with the Left Knob (8).
•
Position the torch at a distance of 3-4mm so with the nozzle in contact with the work piece at a 45 degree
angle.
•
With a rapid movement short - circuit the tungsten electrode and go back to a distance of 3-4 mm.
Advance the torch maintaining the same distance from the work piece. To stop welding, simply re-
move the torch from the work piece.
REMEMBER to turn OFF the gas immediately after you finish welding.
7.0 MIG (GMAW) AND FLUX CORE (FCAW) WELDING
7.1.1 TORCH CONNECTION
•
Plug the torch hose into the socket (11) on the front of the welder having care to not damage the
contacts and secure by hand screwing in the threaded connection.
7.1.2 WIRE LOADING
Ensure the gas and electrical supplies are discon-
nected. Before proceeding, remove the nozzle
and the contact tip from the torch.
•
Open the side panel.
•
Loosen the nut (A) of the spool holder (position 1) (brake
drum). In the case you are replacing the wire spool, ex-
tract it by pushing the snap tongue (D). Remove the plastic
protection from the spool. Place it on the spool holder.
Tighten the lock nut (A) turning it to position 2. (Fig. 4).
The unit can also accept 100 mm diameter wire
spools. For the mounting follow these instructions:
•
Remove the wire spool (B) from the spool holder (C).
•
Loosen the nut (A), remove the spring and the washer;
remove the spool holder (C) from the pivot.
•
Insert on the pivot the 100mm diameter wire spool;
•
Mount the washer and the spring.
•
Tighten the lock nut (A).
Tighten nut (A) to appropriate tightness. Exces-
sive pressure strains the wire feeding motor. Too
little pressure does not allow the immediate stop
of the wire spool at the end of the welding.
•
Loosen and lower the plastic knob (A) (Fig.5). Open the
pressure arm (B) of the feeder.
•
Disconnect the wire from the edge of the wire spool being
careful to keep tension on the end of the wire.
•
Cut off a short section of the end of the wire to insure a
straight end. Insert the the straight end into the wire inlet
guide (C) past the wire feed roll and into the wire liner.
•
Lower pressure arm (B) and lift pressure adjustment knob
(A) into place.
•
Connect the input power cord and turn on the welder.
•
Press the torch trigger and observe the wire feeding into
the torch liner.
•
Adjust the pressure on the wire with knob (A) to insure
smooth feeding without slippage. Do not over tighten the
pressure adjustment as it may damage the motor.
•
Close the welder side panel.
•
Remove the nozzle and contact tip from the welding torch.
•
Straighten the torch cable to remove any coils or kinks.
•
Squeeze and hold the torch trigger until the wire appears at the end of the torch neck.
•
Turn off the welder and install the contact tip and nozzle.
C
EN-7
A
B
E
D
Figura 4
Figura 5
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