Lincoln Electric POWER MIG 180 DUAL Manual De Operación página 18

POWER MIG 180 DUAL
®
C. CONNECT LEADS AND CABLES ON THE MACHINE
(See Figure B.14)
1. Open the case side door.
2. Slide the connector end of the gun and cable through the hole
of the machine front and into the gun connector bushing 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.
4. Plug the gun trigger lead connector into the 4 pin gun trigger
receptacle on the machine front.
5. Wire Drive Polarity. MIG welding requires Positive (+) polarity.
Connect the short power cable from the wire drive to the posi-
tive (+) output terminal and tighten the thumbscrew.
6. Work Lead Connection. Slide the lugged end of the work
cable through the hole in the machine front and place on the
negative (-) output terminal and tighten thumbscrew.
D. LOAD WIRE SPOOL
(See Figure B.15)
1. Locate the 4"(102mm) diameter spool of .025"(0.6mm) L-56
solid MIG 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 idle 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 .025"(0.6mm) smooth grooved 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 pre-
vent the wire from unspooling.
FIGURE B.14
LOCATE COMPONENTS
TO CONNECT TO THE
FRONT OF MACHINE
THUMB SCREW TO
TIGHTEN CONNECTOR
BUSHING
FIGURE B.15
TOP DRIVE ROLL PRESSURE ARM
INNER WIRE GUIDE REMOVED
B 9
OPERATION
ALL COMPONENTS SHOWN CONNECTED
(FRONT AND SIDE DOOR IS REMOVED
FOR CLARITY)
WORK LEAD
CONNECTION
NEGATIVE "-"
OUTPUT TERMINAL
SHORT POWER
CABLE POSITIVE "+"
OUTPUT TERMINAL
TENSION ADJUSTOR DOWN
WIRE SPOOL
.025" (0.6mm)
LOWER DRIVE ROLL REMOVED
OUTER WIRE
GUIDE REMOVED