Lincoln Electric 125 Operator's Manual page 20

WIRE FEEDER WELDERS (125, 140)
(See Figure B.16)
6. Feed the wire through the incoming guide, over the drive roll
groove, thru the outgoing guide and wire drive outlet on the
gun side.
7. Close the Pivot Arm Assembly and secure by rotating the
Tension Arm Assembly back to the up position. (See Tension
information on decal.)
(See Figure B.17)
8. Remove the nozzle from the gun and contact tip and
straighten the gun out flat.
9. Turn the machine power switch to on and press the gun trig-
ger to feed wire through the gun liner until the wire comes
out of the threaded end of the gun several inches. (See
Figure B.18)
10. When trigger is released, the spool of wire should not
unwind. Adjust wire spool brake accordingly.
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 WARNING
LABELS.
--------------------------------------------------------------------
11. Install the .025"(0.6mm) contact tip.
12. Install the brass MIG welding nozzle to the gun.
13. Trim the wire stickout to 3/8"(9.5mm) from the nozzle end.
(See Figure B.19)
14. Close the wire drive compartment door. The machine is now
ready to weld.
15. "Learn to Weld" Video is on the DVD.
16. Based on the thickness of the material you are going to weld
and the type and diameter of the welding wire, set the volt-
age and the wire feed speed per the procedure decal
attached to the inside of the wire drive compartment door.
WARNING
B 10
FIGURE B.16
PIVOT ARM ASSEMBL Y
WITH BEARING PRESSING AGAINST DRIVE ROLL
SLIDE WIRE
INTO GUN
CONNECTOR
SIDE
FIGURE B.17
REMOVED NOZZLE
REMOVED CONTACT TIP
LAY CABLE AND GUN STRAIGHTEN
IN THIS POSITION
FIGURE B.18
ON/OFF
SWITCH
FEED WIRE
APPROXIMATELY 4.00"
FROM THE GUN TUBE END
DEPRESS TRIGGER
TO ACTIVATE WIRE,
WHICH FEEDS THE WIRE
THRU THE LINER.
WORK CLAMP AND CABLE
FIGURE B.19
TRIM WIRE
STICKOUT
3/8"(9.5mm)
from the Brass Nozzle
OPERATION
TENSION ARM ASSEMBL Y
LOCKED IN UP POSITION
DIRECTION
OF WIRE
BEARING
WIRE SPOOL
.025" (0.6mm)
INCOMING
GUIDE
DRIVE ROLL
L-56 Solid
MIG WIRE
OUTGOING GUIDE
WIRE SPOOL
.025" (0.6mm)
PLUG IN POWER
INPUT CORD
WIRE SPOOL
.025" (0.6mm)
WIRE SPOOL BRAKE
ROTATION
INSTALL .025 (0.6mm) CONTACT TIP
INSTALL BRASS NOZZLE