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F-54

F-54

 

 

TROUBLESHOOTING & REPAIR

AUXILIARY TRANSFORMER NO. 2 TEST (CONTINUED)

FIGURE F.17 – AUXILIARY TRANSFORMER NO. 2 TEST

H1

3

VIEWED FROM

TRANSFORMER

LEAD SIDE

5

H6

P50

350 352

1 2

VIEWED FROM

TRANSFORMER

LEAD END

3 4

33A

P52

TEST PROCEDURE

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1.Remove the main input power to the Power Wave 455M machine.

2.Remove any load that may be connected to the 115 VAC receptacle.

3.Using the 3/8” nut driver, remove the case top.

4.Locate plugs P52 and P50 at the Auxiliary Transformer No. 2. Refer to Figure F.17.

5.Carefully apply the correct input power.

WARNING

ELECTRIC SHOCK can kill.

High voltage is present at both plugs.

6.Check for 115 VAC at plug P52 pins 1 and 4 (leads 350 to 33A). Check for 230 VAC at plug P52 pins 1 and 2 (leads 350 to 352).

7.If 115 VAC and 230 VAC are present, Auxiliary Transformer No. 2 is good.

8.If 115 is not present between pins 1 and 4, and 230 VAC is not present between pins 1 and 2, check the associated leads and plugs for loose or faulty connections.

9.Carefully test for the correct AC input volt- age applied to the primary windings at plug P50. See the Wiring Diagram.

10.If the correct AC input voltage is applied to the primary of the Auxiliary Transformer No. 2 and the secondary voltage is NOT correct, the transformer may be faulty. Replace.

11.Replace any cables ties and insulation removed earlier.

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12.Install the case top using the 3/8” nut dri- ver.

POWER WAVE 455M/MSTT

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Lincoln Electric SVM173-A service manual Figure F.17 Auxiliary Transformer no Test

SVM173-A specifications

The Lincoln Electric SVM173-A is a highly regarded welding power supply that stands out for its advanced features, robust performance, and innovative technologies. This machine is specifically designed to meet the demands of both industrial and commercial welding applications, making it a versatile choice for professionals.

One of the main features of the SVM173-A is its high efficiency, which contributes to reduced energy costs and enhanced productivity. The device operates on a powerful DC output, ensuring stable and reliable arc performance. This is particularly beneficial when working with various materials, allowing for smooth and consistent welds.

The SVM173-A leverages Lincoln Electric's proprietary inverter technology. This innovation allows for a lighter weight and more compact design without compromising on power. The inverter technology also enables precise control of the welding parameters, which is critical for maintaining quality across different welding tasks. Additionally, the machine features a wide input voltage range, accommodating various power sources and enhancing its adaptability on job sites.

Another key characteristic of the SVM173-A is its user-friendly interface. The machine is equipped with an intuitive control panel that allows users to easily adjust settings, making it accessible for both novice and experienced welders. The digital display provides clear readouts of output parameters and error notifications, facilitating quick troubleshooting in the field.

Safety is paramount in welding operations, and the SVM173-A incorporates several protection features. These include overcurrent protection, overheating protection, and circuit protection, ensuring that the machine operates safely and efficiently under various conditions.

The SVM173-A also supports a wide range of welding processes, including MIG, TIG, and stick welding. This flexibility makes it an ideal choice for workshops that require a multi-process machine capable of handling diverse applications. Furthermore, the SVM173-A supports spool gun operation, which is particularly useful for aluminum welding, enhancing its versatility even further.

In summary, the Lincoln Electric SVM173-A is a powerful and adaptable welding machine that combines innovative technologies, user-friendly features, and robust safety mechanisms. Its high efficiency, precision control, and multi-process capabilities make it an excellent investment for professionals seeking reliable performance in demanding environments. Whether for heavy-duty industrial use or more specialized applications, the SVM173-A stands as a testament to Lincoln Electric's commitment to quality and innovation in welding solutions.