Lincoln Electric 125 Operator's Manual page 16

WIRE FEEDER WELDERS (125, 140)
(See Figure B.9)
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.10)
8. Remove the nozzle from the gun and contact tip and
straighten the gun out flat.
9. Turn the machine power to on and depress 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 fig-
ure B.11)
10. When trigger is released 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 ELEC-
TRICALLY 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 .035"(0.9mm) contact tip.
12. Install the black welding nozzle to the gun.
13. Trim the wire stickout to 3/8"(9.5mm) from the contact tip.
(See Figure B.12)
14. Close the case side 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
voltage and the wire feed speed per the procedure decal
attached to the inside of the wire drive compartment door.
WARNING
FIGURE B.9
PIVOT ARM ASSEMBL Y
WITH BEARING PRESSING
AGAINST DRIVE ROLL
SLIDE WIRE
INTO GUN
CONNECTOR
SIDE
FIGURE B.10
REMOVED NOZZLE
REMOVED CONTACT TIP
LAY CABLE AND GUN STRAIGHTEN
IN THIS POSITION
FIGURE B.11
ON/OFF
SWITCH
FEED WIRE
APPROXIMATELY 4.00"
FROM THE GUN TUBE END
DEPRESS TRIGGER
TO ACTIVA TE WIRE,
WHICH FEEDS THE WIRE
THRU THE LINER.
WORK CLAMP AND CABLE
FIGURE B.12
TRIM WIRE
STICKOUT
3/8"(9.5mm)
from the Contact Tip
B 6
OPERATION
TENSION ARM ASSEMBL Y
LOCKED IN UP POSITION
DIRECTION
OF WIRE
BEARING
WIRE SPOOL
.035" (0.9mm)
INCOMING
GUIDE
DRIVE ROLL
NR-211-MP
OUTGOING GUIDE
.035"(0.9mm)
NR-211-MP
WIRE SPOOL
PLUG IN POWER
INPUT CORD
.035"(0.9mm)
NR-211-MP
WIRE SPOOL
WIRE SPOOL BRAKE
ROTATION
INSTALL .035 CONTACT TIP
INSTALL BLACK NOZZLE