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ACCESSORIES

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LISTING OF ACCESSORIES

K29 VERTICAL LIFT ADJUSTER

When mounted in the NA-5 head mounting system, the K29 Vertical Lift Adjuster provides quick hand crank adjustment of the vertical head position. It also has some horizontal adjustability as described in Sec. T3.2.3 of operator’s manual IM305. Installation instructions are shipped with each K29 Vertical Lift Adjuster kit, are contained in the IM305 manual, and can be ordered as Sec. T2.2.11.

K148 CONTACT NOZZLE AND

K149 LINC-FILLTMLONG STICKOUT EXTENSION

This Innershield and submerged arc nozzle is designed for 0.062 through 3/16 in. (1.57 through 4.76 mm) wire at high currents. When long stickout [2 to 5 (50.80 to 127.00 mm)] is required, the K149 Linc-Fill Long Stickout Extension is recommended along with the K237 Linc-Fill Starting Relay. Instructions are contained in the IM305 manual and can also be ordered as Sec. T2.2.7.

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K58 MAGNETIC SEPARATOR

Useful with any submerged arc equipment. The unit removes foreign magnetic particles from reused submerged arc welding flux. Operating instructions are included with the kit.

K96 HORIZONTAL ADJUSTER

When mounted in the NA-5 head mounting system, the K96 Horizontal Adjuster provides quick hand crank adjustment of the horizontal head position. Installation instructions are shipped with each K96 Horizontal Adjuster kit, are contained in the IM305 manual, and can be ordered as Sec. T2.2.12.

K129 SUBMERGED ARC SMALL WIRE TWINARC®

The Twinarc system provides for the feeding of two small solid wires through a single wire feeder. The Twinarc assembly includes a wire reel, reel brake, shaft and mounting bracket, drive roll, idle roll assembly, dual wire guides, and nozzle and contact tip or contact tip holder. Instructions are shipped with each kit, are contained in the IM305 manual, and can be ordered as Sec. T2.5.3 K129.

K218 HORIZONTAL FILLET/LAP ATTACHMENT

This special contact assembly automatically guides the electrode when making submerged arc horizontal fillet and lap welds to ensure accurate bead placement without expensive fixtures and clamps. Installation, operating, and maintenance instructions are shipped with each kit, are contained in the IM305 manual, and can also be ordered as Sec. T2.5.4.

K219 FLUX HOPPER KIT

This flux hopper, which has an electric flux valve, can be mounted on NA-5N and NA-5NF heads for submerged arc welding. Installation instructions are included with each kit. The operator and maintenance instructions are contained in the IM305 manual and can also be ordered as Sec. T2.5.9.

K223 SOLENOID KIT

The solenoid kit includes a valve to control water flow when using the cooling attachment on the K148 or K239 contact nozzle assembly. It opens when the start button is pressed and can be wired to close either when the stop button is pressed or when the arc goes out. Installation instructions are shipped with each kit.

NA-5

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Lincoln Electric NA-5NF, NA-5SF service manual Listing of Accessories

NA-5S, NA-5N, NA-5SF, NA-5NF specifications

The Lincoln Electric NA-5NF, NA-5SF, NA-5N, and NA-5S are advanced welding helmets that are pivotal in enhancing the safety and efficiency of welders in various applications. These models are designed to provide exceptional protection and visibility, making them indispensable tools in the welding industry.

One of the main features of the NA-5 series is the auto-darkening filter technology. This feature allows the helmet to automatically adjust its shade based on the intensity of the arc. As the welder strikes an arc, the lens darkens instantaneously, shielding the eyes from harmful rays generated during the welding process. This functionality not only ensures safety but also enhances productivity, as welders do not need to manually flip the helmet up and down.

The helmets are equipped with a wide viewing area that allows for better visibility and precision while working. With a large lens, welders can easily monitor their work and surrounding environment, minimizing the risk of accidents. Additionally, the lightweight design of the NA-5NF, NA-5SF, NA-5N, and NA-5S provides comfort during extended periods of use, reducing neck strain and fatigue.

The NA-5 series is also well-regarded for its durability. Constructed from impact-resistant materials, these helmets can withstand the rigors of demanding work environments. This durability extends the lifespan of the helmet, making it a cost-effective investment for both professional and hobbyist welders.

Another notable characteristic is the adjustable sensitivity and delay settings found in certain models. These settings allow the user to customize the helmet based on their specific welding conditions. For instance, a welder can increase sensitivity for low-amperage tasks or adjust the delay to allow for a smoother transition from dark to light after completing a weld.

Furthermore, the helmets come with a reliable battery life, ensuring that they can be used for long periods without interruption. Some models also feature solar assist functionality, which helps recharge the auto-darkening filter, enhancing their overall efficiency.

In summary, the Lincoln Electric NA-5NF, NA-5SF, NA-5N, and NA-5S welding helmets represent a significant advancement in personal protective equipment for welders. Their combination of auto-darkening technology, wide viewing area, lightweight design, durability, and customizable settings makes them an excellent choice for anyone engaged in welding tasks. With these helmets, users can achieve greater safety and efficiency in their work, enabling them to focus on their craft with peace of mind.