Lincoln Electric POWER MIG 140 Manuel De L'opérateur page 18

B-7
(See Figure B.9)
9. Feed the wire through the wire drive inlet along the
inner wire guide groove and into the wire drive outlet
on the gun side.
10. Close the top drive roll pressure arm and secure by
pivoting the tension adjustor back to the up position.
11. Re-install the outer wire guide.
(See Figure B.10)
12. Remove the nozzle from the gun and contact tip
and straighten the gun out flat.
13. Turn the machine power to on and press the gun
trigger to feed the wire through the gun liner until
the wire comes out of the threaded end of the gun
several inches. (See figure B.11)
14. When trigger is released spool of wire should not
unwind. Adjust wire spool brake accordingly.
WARNING
MOVING PARTS AND ELECTRICAL
CONTACT CAN CAUSE INJURY OR BE
FATAL.
•When the gun trigger is depressed drive
rolls, spool of wire and electrode are
ELECTRICALLY LIVE (HOT).
• Keep away from moving parts and
pinch points.
• Keep all Doors, Covers, panels and
guards securely in place.
DO NOT REMOVE OR CONCEAL WARN-
ING LABELS.
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15. Install the .035"(0.9mm) contact tip
16. Install the black flux cored welding nozzle to the
gun.
17. Trim the wire stickout to 3/8"(9.5mm) from the con-
tact tip. (See Figure B.12)
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.
OPERATION
SLIDE WIRE
INTO GUN
CONNECTOR
SIDE
REMOVED NOZZLE
REMOVED CONTACT TIP
LAY CABLE AND GUN STRAIGHTEN
IN THIS POSITION
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TRIM WIRE
STICKOUT
3/8"(9.5mm)
from the Contact Tip
POWER MIG® (140, 180 MODELS)
FIGURE B.9
TOP DRIVE ROLL
PRESSED AGAINST
LOWER DRIVE ROLL
TENSION ADJUSTOR
LOCKED IN POSITION
LOWER DRIVE ROLL
BE SURE WIRE
IS IN GROOVE
FIGURE B.10
FIGURE B.11

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FIGURE B.12
INSTALL .035"(0.9mm) CONTACT TIP
INSTALL BLACK FLUX-CORED NOZZLE
B-7
DIRECTION
OF WIRE
WIRE SPOOL
.035" (0.9mm)
NR-211-MP
.035"(0.9mm)
NR-211-MP
WIRE SPOOL
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