Lincoln Electric IMt10143 MARQUETTE AutoPro 140_180 - Manual (Page 15)

B-6 OPERATION B-6
AUTOPRO™ (140/180 MODELS)
(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 Figure 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 elec-
trode 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.
------------------------------------------------------------------------
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. The
settings listed on the procedure decal are sug-
gestions. The dials may need to be adjusted to
accommodate the application, input voltage or
user preference.
REMOVED NOZZLE
REMOVED CONTACT TIP
LAY CABLE AND GUN STRAIGHT
.035"(0.9mm)
NR-211-MP
WIRE SPOOL
PLUG IN POWER
INPUT CORD
DEPRESS TRIGGER
TO ACTIVATE WIRE,
WHICH FEEDS THE WIRE
THRU THE LINER.
FEED WIRE
APPROXIMATELY 4.00"
FROM THE GUN TUBE END
ON/OFF
SWITCH
WORK CLAMP AND CABLE
ROTATION
.035"(0.9mm)
NR-211-MP
WIRE SPOOL
WIRE SPOOL BRAKE
TENSION ARM ASSEMBLY
LOCKED IN UP POSITION
PIVOT ARM ASSEMBLY
WITH BEARING PRESSING
AGAINST DRIVE ROLL
DIRECTION
OF WIRE
WIRE SPOOL
.035" (0.9mm)
NR-211-MP DRIVE ROLL
INCOMING
GUIDE
OUTGOING GUIDE
BEARING
SLIDE WIRE
INTO GUN
CONNECTOR
SIDE
FIGURE B.10
FIGURE B.11
WARNING
INSTALL .035”(0.9mm) CONTACT TIP
INSTALL BLACK NOZZLE
TRIM WIRE
STICKOUT
3/8"(9.5mm)
from the Contact Tip
FIGURE B.9
FIGURE B.12
OPERA
T
OR’S MANUAL