Lincoln Electric POWER MIG 140 Operator's Manual page 21

POWER MIG 140 & 180 MODELS
17. Trim the wire stickout to 3/8"(9.5mm) from the nozzle
FIGURE B.19
end. (See Figure B.19)
TRIM WIRE
STICKOUT
3/8"(9.5mm)
from the Copper Nozzle
18. Close the case side door. The machine is now ready to weld.
19. Read "Learn to Weld" (LTW1) that is included with the
machine or watch the "How to Weld" DVD included with the
machine.
20. Based on the thickness of the material you are going to weld
and the type and diameter of the welding wire set the voltage
and the wire feed speed per the procedure decal attached to
the inside of the wire drive compartment door.
INSTALL .025 CONTACT TIP
INSTALL COPPER NOZZLE
B-12
SETTING uP ANd mAKING A ALumINum WELd
uSING SPOOL GuN
1. Disconnect Magnum Pro 100L Gun.
2. Install Electrical harness with toggle switch (comes with
K3269-1 Magnum PRO 100SG Spool Gun)
3. Install optional K3269-1 Magnum PRO 100SG spool gun per
instructions included with gun.
4. Set Gun selector toggle switch to Spool Gun position. (See
Figure B.20)
5. Connect a bottle of 100% Argon shielding Gas per previous
section.
6. Follow the MIG welding steps in the previous section.
7. Turn machine on and make weld per recommended settings
on Procedure Decal inside machine door.
FIGURE B.20
Load Aluminum Spool
OPERATION
Set Gun selector
toggle switch to
Spool Gun position.
Connect Gas
WORK LEAD
CABLE NEGATIVE "–"
OUTPUT TERMINAL
SHORT POWER CONNECTION
POSITIVE "+" OUTPUT TERMINAL