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F-10F-10

TROUBLESHOOTING & REPAIR

CONTROL TRANSFORMER (T2) VOLTAGE TEST

FIGURE F.1. CONTROL TRANSFORMER LOCATION & LEADS

Control

Transformer (T2)

H1

X1

H2

X3

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TEST PROCEDURE

1.Disconnect main AC input power to the machine.

2.Remove the Top and Right case side.

3.Locate the Control Transformer (T2) on the left side of the input box (facing the back of the machine). See Figure F.1.

4.Locate the Control Transformer primary leads H1 & H2. See Wiring Diagram. See Figure F.1.

5.Locate control transformer terminals X1 and X3. See Figure F.1.

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MULTI-SOURCE

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Image 38
Lincoln Electric SVM155-A service manual Test Procedure, Figure F.1. Control Transformer Location & Leads

SVM155-A specifications

The Lincoln Electric SVM155-A is a state-of-the-art welding machine that excels in versatility and performance, making it ideal for both professional welders and hobbyists. This multi-process welder supports MIG, TIG, and stick welding processes, allowing users to tackle a wide range of applications with a single device. Its user-friendly design and advanced technology make it an exceptional choice for those looking to enhance their welding capabilities.

One of the main features of the SVM155-A is its robust power output, which can handle welding materials ranging from thin sheets to heavier stock. The welder offers a high duty cycle, ensuring that users can work efficiently without the need for prolonged breaks. This is especially important in industrial settings where productivity is key. Additionally, the SVM155-A is equipped with a digital display that allows for easy monitoring and precise control of the welding parameters, ensuring consistency in weld quality.

The European-designed INVERTER technology embedded in the SVM155-A significantly contributes to its lightweight and compact design. Weighing in at only 19.4 lbs, this welder is portable and ideal for fieldwork or workshops where space is limited. The inverter technology not only reduces the size and weight but also improves energy efficiency, leading to lower operational costs over time.

The SVM155-A also features advanced safety mechanisms, including over-current protection to safeguard the machine from potential damage during excessive use. It also includes a thermal overload shut-off, which prevents overheating, ensuring a longer lifespan for the welder.

Another standout characteristic of the SVM155-A is its exceptional arc stability and ease of use. The machine is designed to provide a smooth and consistent arc, reducing spatter and ensuring clean welds. Moreover, the welder is compatible with a wide range of materials, including stainless steel, aluminum, and carbon steel, further enhancing its versatility.

In conclusion, the Lincoln Electric SVM155-A is a powerful, durable, and multifunctional welding machine that incorporates advanced technologies to meet the needs of modern welding applications. Its portability, safety features, and ability to deliver high-quality welds make it an excellent investment for anyone looking to improve their welding skills or expand their capabilities in various welding projects.