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F-48

F-48

TROUBLESHOOTING & REPAIR

OUTPUT POWER BOARD REMOVAL & REPLACEMENT (continued)

FIGURE F.22 – OUTPUT BOARD LEAD LOCATIONS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

G3439 PRO-CUT 80 OUTPUT

X4

 

 

 

 

 

 

 

 

 

 

X2

 

 

 

 

 

 

+

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(B12)

 

 

 

 

 

 

 

 

 

(B11)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TEST POINT

 

 

C13

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D25

LED3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LED5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(B21)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LED1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LED4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LED2

 

 

 

TEST POINT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D29

 

 

 

 

 

 

 

 

 

 

 

X20

X40

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

J33

 

 

 

 

 

 

 

 

 

 

J31

J34

J32

 

 

 

J30

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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4.Using the 7/16” wrench, remove leads X4, X2 and B21 from the output power board.

5.Remove plugs J30, J31, J32, J33, and J34 from the output power board.

6.Remove leads X20 and X40 from the output power board.

7.Using the phillips head screw driver, remove the four screws from the lower + upper left and right corners of the output power board.

8.Using the 3/16” allen head wrench, remove the four socket screws mounting the output power board to the heat sink.

9.Carefully remove the output power board from the heat sink.

CAUTION

Be sure to follow the recommended static-free methods for handling printed circuit boards. Failure to do so can result in permanent damage to the equipment.

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PRO-CUT 80

Page 88
Image 88
Lincoln Electric SVM146-A service manual Figure F.22 Output Board Lead Locations

SVM146-A specifications

Lincoln Electric's SVM146-A is a versatile and powerful multi-process welding machine designed for professionals in various industries. Known for its robustness and reliability, this machine excels in both performance and user-friendly features, making it a popular choice among welders.

One of the standout features of the SVM146-A is its multi-process capability, allowing users to perform MIG, TIG, and stick welding using a single unit. This versatility is enhanced by Lincoln Electric's innovative Auto-Set technology, which automatically adjusts the machine's settings based on the selected process and materials being welded. This feature significantly reduces the time spent on setup and helps ensure optimal weld quality, even for less experienced operators.

The SVM146-A is powered by a reliable inverter design, which provides greater efficiency compared to traditional transformer-based machines. This compact and lightweight design allows for easy transport, making it ideal for job sites or remote locations. The inverter technology also contributes to enhanced arc stability and better overall performance, providing high-quality welds in less time.

Another key characteristic of this welding machine is its robust construction, designed to withstand the rigors of heavy industrial use. The SVM146-A features a durable chassis and control panel, ensuring longevity and reliability under challenging working conditions. Additionally, its intuitive interface allows users to easily navigate settings and make adjustments as needed.

Safety is a paramount concern in welding applications, and the SVM146-A is equipped with several safety features, including over-temperature and over-voltage protection, ensuring that the machine operates safely even in demanding environments. It also features a start inhibit system, preventing the machine from being started under unsafe conditions.

The SVM146-A is compatible with a variety of welding accessories and consumables, enhancing its flexibility and usability across different applications. Whether it’s automotive repair, heavy fabrication, or maintenance work, this welding machine adapts to various tasks, making it a valuable addition to any professional's toolkit.

In conclusion, Lincoln Electric's SVM146-A stands out as a multi-process welding machine that combines advanced technology, robust design, and user-friendly features. It is engineered for performance and reliability, making it an excellent investment for professionals dedicated to achieving high-quality welds.