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F-61

F-61

 

 

TROUBLESHOOTING & REPAIR

AUXILIARY TRANSFORMER NO. 1 REMOVAL AND

REPLACEMENT PROCEDURE (CONTINUED)

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6.Remove leads X1 and X2 from the power board rectifier bridge. Refer to Figure F.20.

7.Cut X3 and X5 from the fan motor leads. Leave enough lead length to splice in the new transformer leads.

8.Cut the X3 lead that is connected to the input board. Leave enough lead length to splice in the new transformer lead.

9.Locate, label, and remove primary lead H1 from circuit breaker CB4.

10.Label and remove primary leads H2, H3, H4, and H5 from the reconnect terminals on the reconnect panel. Note lead place- ment for reassembly.

11.Cut any necessary cable ties and clear the leads.

12.Using the 3/8” nut driver, remove the two mounting screws that hold the transformer to the fan baffle and the machine base.

13.Carefully remove the transformer from the Power Wave 455.

REPLACEMENT PROCEDURE

1.Carefully place the transformer into the Power Wave 455.

2.Install the two mounting screws that hold the transformer to the fan baffle and the machine base using the 3/8” nut driver.

3.Install the primary leads H2, H3, H4, and H5 to the reconnect terminals on the reconnect panel.

4.Connect primary lead H1 to circuit breaker CB4.

5.Splice the new transformer lead with the X3 lead connected to the input board.

6.Splice the new transformer fan leads to the fan motor leads X3 and X5.

7.Connect lead X4 to the main contactor coil terminal.

8.Connect leads X1 and X2 to the power board rectifier bridge.

9.Reposition any wire leads and install cable ties as necessary.

10.Install the case back using the 3/8” nut driver.

11.Install the case top, sides, and input access panel using the 3/8” nut driver.

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POWER WAVE 455M/MSTT

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Lincoln Electric SVM173-A service manual Replacement Procedure

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.