Lincoln Electric POWER MIG 180 DUAL Manuel De L'opérateur page 14

POWER MIG 180 DUAL
®
B. CONNECT LEADS AND CABLES ON THE MACHINE
(See Figure B.7)
1. Open the case side door
2. Slide the connector end of the gun and cable through the
hole in the machine front and into the gun connector bush-
ing on the wire drive.
3. Make sure the gun connector end is seated fully into the
wire drive and tighten the thumbscrew to secure the gun
connector.
4. Plug the gun trigger lead connector into the 4 pin gun trigger
receptacle on the machine front.
5. Wire Drive Polarity. Flux cored welding requires negative (-)
polarity. Connect the short power cable from the wire drive
to the negative (-) output terminal and tighten the Wing Nut.
6. Work Lead Connection. Slide the lugged end of the work
cable through the hole in the machine front and place on the
positive (+) output terminal and tighten Wing Nut.
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.
LOCATE COMPONENTS
TO CONNECT TO THE
FRONT OF MACHINE
THUMB SCREW TO
TIGHTEN CONNECTOR
BUSHING
FIGURE B.8
TOP DRIVE ROLL PRESSURE ARM
INNER WIRE GUIDE REMOVED
B 5
OPERATION
FIGURE B.7
ALL COMPONENTS SHOWN CONNECTED
(FRONT AND SIDE DOOR IS REMOVED
FOR CLARITY)
SHORT POWER
CABLE NEGATIVE "-"
OUTPUT TERMINAL
WORK LEAD
CONNECTION
POSITIVE "+"
OUTPUT TERMINAL
TENSION ADJUSTOR DOWN
WIRE SPOOL
.035" (0.9mm)
NR-211-MP
LOWER DRIVE ROLL REMOVED
OUTER WIRE
GUIDE REMOVED