Linkoln Electric POWER MIG 140 Manuel De L'opérateur page 20

POWER MIG 140 & 180 MODELS
FIGURE B.16
TOP DRIVE ROLL
PRESSED AGAINST
LOWER DRIVE ROLL
SLIDE WIRE
INTO GUN
CONNECTOR
SIDE
(See Figure B.17)
12. Remove the nozzle from the gun and contact tip and
FIGURE B.17
straighten the gun out flat.
REMOVED NOZZLE
REMOVED CONTACT TIP
LAY CABLE AND GUN
STRAIGHTEN IN
THIS POSITION
TENSION ADJUSTOR
LOCKED IN POSITION
DIRECTION
OF WIRE
L-56 SOLID WIRE
LOWER DRIVE ROLL
BE SURE WIRE
IS IN GROOVE
L-56 SOLID WIRE
WARNING
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.
------------------------------------------------------------------------
13. 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 Figure B.18)
14. When trigger is released spool of wire should not unwind.
FIGURE B.18
Adjust wire spool brake accordingly.
PLUG IN POWER
INPUT CORD
ON/OFF
SWITCH
FEED WIRE
APPROXIMATELY 4.00"
FROM GUN TUBE END
DEPRESS TRIGGER
TO ACTIVATE WIRE,
WHICH FEEDS THE WIRE
THRU THE LINER
15. Install the .025"(0.6mm) contact tip.
16. Install the Copper gas MIG welding nozzle to the gun.
B-11
OPERATION
L-56 SOLID WIRE