Installation - Lincoln Electric LF-72/74 Service Manual

AA-2
TECHNICAL SPECIFICATIONS : LF-74 Wire Feeder
SPEC.# TYPE
Model Gearing
K2426-1 Normal Speed
K2426-2 Normal Speed
K2426-3 Extra Torque
CONTROL BOX, WIRE DRIVE AND COMPLETE UNITS
SPEC.# TYPE INPUT POWER
Input Voltage
and Current
LF-74
K2426-1
Base Model
LF-74
K2426-2 24-42VAC
Bench 9 AMPS
Heavy 50/60 Hz
Duty
LF-74
K2426-3 Bench
Heavy
Duty
Extra Torque
WELDING CAPACITY RATING
Amp Rating Duty Cycle
600 A
500 A
∆ Dimensions do not include wire reel.
Description
Model
K2426-1 Base Model
K2426-2 Bench Model with
Heavy Duty Wire
Stand
K2426-3 Extra Torque
Model with Heavy
Duty Wire Stand

INSTALLATION

GMAW
WFS Range
100 – 800 ipm
(2.5-20.3 m/min.)
100 – 800 ipm
(2.5-20.3 m/min.)
50 – 400 ipm
(1.3 – 10.4m/min)
PHYSICAL SIZE•
Dimensions
Height Width
11.1" 10.2"
( 282 mm) (259 mm)
Dimensions
Height Width
15.3" 13.0"
( 389 mm) (330 mm)
Dimensions
Height Width
15.3" 13.0"
( 389 mm) (330 mm)
60%
100%
ITEMS INCLUDED WITH EACH PRODUCT
Wire Wire Reel Stand
Feeder
LF-74 Heavy Duty, up to 60lb.
(27.k kg) Coils
LF-72/74
WIRE FEED SPEED RANGE
Wire Sizes
WFS Range
.023 – 1/16"
100 – 800 ipm
(0.6 – 1.6mm)
(2.5-20.3 m/min.)
.023 – 1/16"
100 – 800 ipm
(0.6 – 1.6mm)
(2.5-20.3 m/min.)
.023 – 1/16"
50 – 400 ipm
(0.6 – 1.6mm)
(1.3 – 10.4m/min)
Depth Weight
12.9" 46 Lbs.
(328 mm) (20.9 Kg.)
∆
Depth Weight
27.7" 70.5 Lbs.
(704 mm) (32.0 Kg.)
∆
Depth Weight
27.7" 70.5 Lbs.
(704 mm) (32.0 Kg.)
Drive Roll Kit
-----------
.035, .045 Combo
(0.9, 1.2mm)
AA-2
FCAW
Wire Sizes
.030 - 5/64"
(0.8 - 2.0mm)
.030 – 5/64"
(0.8 – 2.0mm)
.030 – 3/32"
(0.8 - 2.4mm)
TEMPERATURE RATING
Operating Storage
14°F to 104°F -40°F to 85°F
(-10°C to 40°C) (-40°C to 85°C)
Control Cable
10Ft. (3m)