A SERVICE OF

logo

LT-7 Tractor
www.lincolnelectric.com
[2]
A CLOSER LOOK
REQUIRED OPTIONS
PERFORMANCE
Solid-state control system precisely regulates procedures for
reliable starting and economical welding.
Automatic compensation for input voltage and tractor loading
variations.
Function lights built into the solid-state printed circuit boards aid
troubleshooting to minimize down time.
Cross seam adjuster speeds setup and lets operator track
irregular joints while welding. Adjustment range is 3-1/8 in.
(79 mm) with clamp and 2-1/2 in. (63 mm) with handwheel.
To perform a curved weld, the minimum diameter can be as small
as 10 ft. (3.0m) for an inside weld and 13 ft. (3.9m) for an outside
weld.
To perform an inside circumferential weld, the minimum inside
diameter that can be welded is approximately 5 ft. (1.5m).
QUALITY AND RELIABILITY
Three-year warranty on parts and labor.
Manufactured under a quality system certified to ISO 9001
requirements.
Rugged and durable design recognized throughout the industry
for its long life and years of trouble-free wire feeding.
FEATURES
Quick, easy installation of optional guides for different joints.
Reel holds 60 lb. (27.2 kg) solid wire coils.
Flux hopper capacity of 15 lbs. (6.8 kg). Includes a manual flux
flow rate control valve and can be mounted at four locations to
the left or right.
Continuous Vertical Adjustment: 1-1/2” (38 mm) handweel
variation for ESO (electrical stickout).
Travel clutch operates from either side of the tractor.
456
WELD POWER CABLES
CONTROL CABLES
Description Order No.
Wire Feeder Control Cable K1822-25 - 25 ft. (7.6m)
Wire Feeder Control Cable Extensions K1797-25 - 25 ft. (7.6m)
K1797-50 - 50 ft. (15.2m)
Adapter Cable for Control Cable K1798
to Terminal Strip Power Sources
Order No. Description
K1842-10 Lug to Lug, 3/0, 600A, 60% duty cycle, 10 ft. (3.0m)
K1842-35 Lug to Lug, 3/0, 600A, 60% duty cycle, 35 ft. (10.6m)
K1842-60 Lug to Lug, 3/0, 600A, 60% duty cycle, 60 ft. (18.2m)
K1842-110 Lug to Lug, 4/0, 600A, 60% duty cycle, 110 ft. (33.5m)
456
CONTACT NOZZLE ASSEMBLIES
Description/Diameter Wire Order No.
Submerged Arc:
3/32” (2.4 mm) K231-3/32
1/8” (3.2 mm) K231-1/8
5/32” (4.0 mm) K231-5/32
3/16” (4.8 mm) K231-3/16
Positive:
3/32 - 1/8” (2.4 - 3.2 mm) K148A
3/32 - 3/16” (2.4 - 4.8 mm) K148B
Linc-Fill™ Attachments for Positive Contact Nozzle Asbly
Extension for K148
3/32” (2.4 mm) K149-3/32
1/8” (3.2 mm) K149-1/8
5/32” (4.0 mm) K149-5/32