A CLOSER LOOK

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).

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.

QUALITY AND RELIABILITY

•Three-year warranty on parts and labor.

•Manufactured under a quality system certified to ISO 9001 requirements.

REQUIRED OPTIONS

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

 

 

 

 

 

WELD POWER CABLES

 

 

4

5

6

 

 

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)

 

 

 

 

 

 

 

•Rugged and durable design recognized throughout the industry for its long life and years of trouble-free wire feeding.

CONTACT NOZZLE ASSEMBLIES

 

 

 

 

4

5

6

 

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

 

 

 

 

 

 

 

LT-7 Tractor

[2]

www.lincolnelectric.com

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Lincoln Electric LT-7 technical specifications Performance, Features, Quality and Reliability
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LT-7 specifications

The Lincoln Electric LT-7 is a highly advanced and versatile semi-automated welding system designed for various industrial applications. Recognized for its reliability and integration of cutting-edge technologies, the LT-7 stands out in the field of welding equipment.

One of the main features of the LT-7 is its user-friendly interface, which allows operators to easily navigate through settings and options. The system is equipped with a digital display that provides real-time feedback during the welding process, enabling users to monitor parameters such as voltage, amperage, and wire feed speed. This level of control is crucial for achieving consistent weld quality across different materials and thicknesses.

The LT-7 utilizes Lincoln Electric's patented Power MIG technology, allowing for more efficient welding with reduced spatter and better arc stability. This technology ensures smoother operation, which translates to cleaner, more aesthetically pleasing welds. Additionally, the machine can handle a variety of welding processes, including MIG, flux-cored, and TIG welding, making it an adaptable choice for welders with diverse needs.

Another remarkable characteristic of the LT-7 is its robust construction. Designed to withstand the rigors of an industrial environment, the unit features a durable chassis and high-quality components that ensure longevity and dependability. It also comes equipped with advanced cooling systems to prevent overheating during prolonged use, further enhancing its durability.

The LT-7 is compatible with Lincoln Electric’s range of wire feeders and torches, allowing for tailored configurations based on specific project requirements. Its compact design promotes easy transport and setup, ideal for job sites where space is limited.

Safety is a priority in the design of the LT-7, with numerous protective features that safeguard operators from potential hazards. Built-in safety interlocks and thermal overload protection contribute to a safe working environment, promoting peace of mind while working on critical tasks.

In summary, the Lincoln Electric LT-7 is a sophisticated welding machine that combines advanced technologies, user-friendly features, and robust construction. Its versatility in handling various welding processes, along with its emphasis on safety and durability, makes it an excellent choice for professionals seeking reliability and performance in demanding welding applications. Whether for fabricators, maintenance, or repair work, the LT-7 represents a strong investment in quality welding technology.
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