B-3

OPERATION

B-3

See Figure B.3

 

FIGURE B.3

8. WELDING GUN CONNECTOR BUSHING &

 

THUMBSCREW – Provides electrical power to the

 

welding gun. The thumbscrew holds the welding

 

gun into the connector block. (Front of Machine,

 

Side Door and Wire Drive Cover have been

 

removed for clarity of Items 8 and 9).

 

 

9. OUTPUT TERMINALS –These connections allow

8

to change the welding polarity of the machine

depending on whether you are MIG welding or flux-

9

cored welding.

 

See Figure B.4

10. WIRE SPOOL SPINDLE AND BRAKE – Holds a 4”(102mm) diameter spool. Use the 2”(51mm) spindle adapter included with the machine to use 8”(203mm) diameter spools. The thumbscrew sets the brake friction to prevent the spool from over rotating when the trigger is released.

FIGURE B.4

2"(51mm) SPINDLE ADAPTER (FOR 8"(20mm) REEL OF WIRE)

( 4"(102mm) REEL OF WIRE)

See Figure B.5

11. WIRE DRIVE & COMPONENTS – Feeds wire from the wire spool through the drive and through the welding gun to the weld.

a. Top and Bottom Drive Roll – Drives the wire through the drive system. The drive roll has a groove to match the specific wire type and diam- eter. Refer to Table B.1 for available drive rolls.

b. Inner & Outer Wire Guide – Guides the wire between the Top and Bottom Drive Roll and through the wire drive. The inner guide has a groove to match a particular wire diameter. Refer to Table B.1 for available wire guides.

c. Drive Roll Tension Thumbscrew – Turning clockwise increases the force on the drive rolls and turning counterclockwise decreases the force.

FIGURE B.5

TOP DRIVE ROLL PRESSURE ARM

TENSION ADJUSTOR DOWN

WIRE SPOOL

.035" (0.9mm)

NR-211-MP

INNER WIRE GUIDE REMOVED

LOWER DRIVE ROLL REMOVED

OUTER WIRE GUIDE REMOVED

POWER MIG (140, 180 MODELS)

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Image 16
Lincoln Electric 180, 140 manual Figure B.3
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180, 140 specifications

Lincoln Electric is a well-known name in the welding industry, and the Lincoln Electric 140 and 180 models continue to set the standard for reliable, user-friendly welding equipment. These machines are popular among hobbyists, DIY enthusiasts, and professionals alike due to their performance, portability, and innovative features.

The Lincoln Electric 140 offers a compact design tailored for both novice and experienced welders. With a maximum output of 140 amps, this versatile MIG welder can handle a range of projects, including welding mild steel, stainless steel, and aluminum. It operates on 120V standard household current, making it accessible for home use. One of its standout features is its variable voltage control, which allows the user to adjust the output for optimal welding based on the material thickness. Additionally, the machine features a quick-change drive roll system that simplifies the process of switching wire types, ensuring that you can adapt to different materials effortlessly.

Meanwhile, the Lincoln Electric 180 takes things a step further, providing a robust 180-amp output that allows for welding thicker materials. This model operates on 230V, which makes it suitable for heavier-duty applications. The 180 model is equipped with an advanced digital display that provides real-time feedback on voltage and wire speed, aiding welders in achieving precision in their work. Its durable construction ensures reliability, and the built-in thermal overload protection serves as a safeguard against overheating, prolonging the machine's lifespan.

Both models incorporate Lincoln Electric's patented Infinite Voltage and Wire Speed Control, allowing for fine-tuning of settings for a wide variety of welding tasks. They come with a spool gun compatibility feature, expanding their usability for aluminum welding with ease. The ergonomic design and lightweight construction facilitate mobility, making them ideal for both shop and field work.

In summary, the Lincoln Electric 140 and 180 welders offer users the perfect blend of performance and convenience. Their innovative technologies, user-friendly interfaces, and versatile features make them excellent additions to any welding toolkit, catering to various skill levels and project requirements. Whether for occasional home projects or more demanding professional tasks, these welders deliver exceptional quality, efficiency, and reliability that Lincoln Electric is renowned for.
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