Lincoln Electric POWER MIG 140 Operator's Manual page 17

POWER MIG 140 & 180 MODELS (AU)
C. load Wire spool
(See Figure B.8)
1. Locate the 4"(102mm) diameter spool of .035"(0.9mm)
NR-211MP flux-cored wire and place onto wire spool spindle.
Orient the spool so that the wire feeds off the top of the spool.
2. Secure spool in place by tightening the wing nut against the
against the spacer that holds the wire spool on the spindle.
3. Open the top drive roll pressure arm by rotating the tension
adjustor arm down and pivoting the drive roll pressure arm
up.
4. Remove the outer wire guide.
4a. Slide gun out of drive slightly.
5. Remove the lower drive roll and inner wire guide.
6. Install the .025"-.035"(0.6mm-0.9mm) inner wire guide.
7. Install the .030"/.045"(0.8mm/1.1mm) knurled lower drive
roll.
8. Carefully unwind and straighten the first six inches of welding
wire from the spool. Do not let the end of the wire go to
prevent the wire from unspooling.
FIGURE B.8
TOP DRIVE ROLL PRESSURE ARM
INNER WIRE GUIDE REMOVED
LOWER DRIVE ROLL REMOVED
OUTER WIRE GUIDE REMOVED
TENSION ADJUSTOR DOWN
WIRE SPOOL
.035" (0.9mm)
NR-211-MP
(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.
FIGURE B.9
TOP DRIVE ROLL
PRESSED AGAINST
LOWER DRIVE ROLL
SLIDE WIRE
INTO GUN
CONNECTOR
SIDE
B-6
OPERATION
TENSION ADJUSTOR
LOCKED IN POSITION
DIRECTION
OF WIRE
NR-211-MP
WIRE SPOOL
.035" (0.9mm)
LOWER DRIVE ROLL
BE SURE WIRE
IS IN GROOVE