Lincoln LN-742 Welder User Manual


 
A-1
INSTALLATION
A-1
PHYSICAL DIMENSIONS
ENVIRONMENTAL RATING (ALL MODELS)
BOTH LN-742 AND LN-742H
LENGTH
TOTAL WEIGHT
LESS ELECTRODE
24 lbs
(11.0 kg)
WIDTH
HEIGHT
2 ROLL FEEDER
WITH WIRE STAND (K377)
2 ROLL FEEDER
WITHOUT WIRE STAND
4 ROLL FEEDER
WITH WIRE STAND (K377)
4 ROLL FEEDER
WITHOUT WIRE STAND
34 lbs
(15.5 kg)
28.7 lbs
(13.1 kg)
38.7 lbs
(17.7 kg)
9.62 in.
(244 mm)
20.68 in.
(525 mm)
10.60 in.
(269 mm)
21.66 in.
(550 mm)
9.76 in.
(247 mm)
9.76 in.
(247 mm)
11.60 in.
(295 mm)
11.60 in.
(295 mm)
10.89 in.
(277 mm)
17.00 in.
(432 mm)
11.11 in.
(282 mm)
17.00 in.
(432 mm)
SYSTEM
LN-742
LN-742H
DIAMETER
0.025 in. through 1/16 in. (0.6 through 1.6 mm)
0.025 in. through 0.045 in. (0.6 through 1.2 mm)
0.045 in. through 3/32 in. (1.2 through 2.4 mm)
0.035 in. (0.9 mm)
TECHNICAL SPECIFICATIONS – LN-742
INPUT VOLTAGE
WIRE FEED SPEED
WIRE DIAMETERS
40 to 42V ±10%, 50/60 Hz, 4.0 Amps
WIRE SPEED RANGE
50 in. to 770 in. per minute (1.25 to 19.5 m/min)
80 in. to 1200 in. per minute (2.00 to 30.5 m/min)
SYSTEM
LN-742
LN-742H
LN-742
LN-742H
ELECTRODE
SOLID
SOLID
CORED
CORED
TEMPERATURE RATING (ALL MODELS)
OPERATING
STORAGE
-4˚F to 104˚F (-20˚C to +40˚C)
-40˚F to 104˚F (-40˚C to +40˚C)
LN-742 & LN-742H
IP21 (IEC 529)