Lincoln Electric SVM125-A service manual Figure C.3 Classic II/LN-25 Connection Diagram

Models: SVM125-A

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C-6

C-6

INSTALLATION

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CONNECTION OF THE LN-25 TO THE CLASSIC II USING K867 UNIVERSAL ADAPTER (SEE FIGURE C.3.)

1.Shut the welder off.

2.Connect the electrode cable from the LN-25 to the “+” terminal of the welder. Connect the work cable to the “CV-” terminal of the welder.

NOTE: Welding cable must be sized for current and duty cycle of application.

NOTE: Figure C.3 shows the electrode connected for positive polarity. To change polarity, shut the welder off and reverse the electrode and work cables at the Classic II output terminals. Reverse the LN-25 polarity switch.

3.Connect the K867 Universal adapter to the K432-L cable and the 14 pin amphenol of the Classic II as indicated in Figure C.3.

4.Connect the K433 to the LN-25. Mount the K433 to the welder according to instructions included with the K433 kit.

5.Place the IDLER switch in the "HIGH" position.

CAUTION

Any increase of the high idle engine RPM by changing the governor setting or overriding the throttle linkage will cause an increase in the AC auxiliary voltage. If this voltage goes over 140 volts, wire feeder control circuits may be damaged. The engine governor set- ting is preset at the factory — do not adjust above RPM specifications listed in this manual.

6. Adjust wire feed speed and voltage at the LN-25.

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FIGURE C.3

CLASSIC II/LN-25 CONNECTION DIAGRAM

 

 

SPARE

 

 

 

14 PIN

82

Insulate Each

 

Classic II Output

AMPHENOL

81

Unused Lead

K433

42

 

 

 

 

Terminals are on

 

41

Individually

 

Opposite Side

 

21

 

 

 

+

31

31

 

 

CV-

32

32

K432-"L" CABLE

 

2

2

 

 

 

 

4

4

 

 

 

GND

GND

 

 

K867 UNIVERSAL

75

75

 

 

ADAPTER PLUG

 

 

TO

76

76

LN-25 WIRE FEEDER

 

77

77

 

WORK

WITH K431 OPTION

 

Splice Leads and Insulate

 

 

 

ELECTRODE CABLE

CLASSIC II

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Lincoln Electric SVM125-A service manual Figure C.3 Classic II/LN-25 Connection Diagram

SVM125-A specifications

The Lincoln Electric SVM125-A is a versatile and highly efficient welding machine that has gained significant recognition in the welding industry. Designed for both professionals and enthusiasts, this machine combines advanced technology with user-friendly features to deliver outstanding performance in a range of welding applications.

One of the standout features of the SVM125-A is its Inverter Technology. This cutting-edge technology allows for lightweight and compact design, making the machine highly portable. The inverter technology also provides a steady arc, which is crucial for achieving clean, high-quality welds. With a duty cycle of 125 amps at a 60% duty cycle, this welding machine can handle a variety of materials and thicknesses, from thin sheet metal to heavier structural components.

The SVM125-A supports multiple welding processes, including MIG, stick, and TIG welding. This versatility makes it an ideal choice for diverse welding tasks, whether you're working in a fabrication shop, doing repair work, or engaged in hobbyist projects. The machine features easy switch functionality, allowing users to quickly shift between welding processes without complicated setup.

Another notable characteristic is the machine's user-friendly interface. The intuitive control panel includes clear indicators and knobs that allow for easy adjustments of voltage and wire feed speed. This design is especially helpful for novice welders, providing them with the confidence to make adjustments as needed and ensuring optimal weld quality.

Safety is also a priority with the SVM125-A. The machine is equipped with thermal overload protection, which automatically shuts it down in case of overheating, preventing damage to the unit and ensuring operator safety. Additionally, the machine features a robust construction that emphasizes durability, making it suitable for demanding work environments.

Portability is enhanced through its lightweight design, and the built-in carrying handle makes it easy to transport from one job site to another. The SVM125-A is also compatible with a variety of welding accessories, further increasing its adaptability and functionality.

In conclusion, the Lincoln Electric SVM125-A stands out as a well-rounded welding machine that integrates advanced technology with user-friendly features. Its versatility in welding processes, robust design, and emphasis on safety and usability make it a valuable tool for welders at all skill levels. Whether for professional use or personal projects, the SVM125-A is a reliable choice that delivers exceptional performance and quality.