Lincoln Electric SVM125-A service manual Control K487-25

Models: SVM125-A

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C-8

C-8

ACCESSORIES

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CONNECTION OF THE K488 SG CONTROL MODULE AND K487 MAGNUM SPOOL GUN TO THE CLASSIC II (SEE FIGURE C.5.)

1.Shut the welder off.

2.Connect the electrode cable from the SG Control Module 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.5 shows the electrode connect- ed for positive polarity. To change polari- ty, shut the welder off and reverse the electrode and work cables at the Classic II output terminals.

3.Connect the K867 Universal adapter to the K492 input cable as shown in Figure C.5. Connect the other end of the adapter to the 14 pin amphenol on the Classic II.

4.Connect the K492 Input Cable to the SG Control Module.

5.Set the slide switch on the SG Control Module to the “Lincoln” position.

6.Place the IDLER switch on the Classic II 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.

7. Adjust wire feed speed at the SG Control Module.

NOTE: For remote control, a K775 remote control is required.

CAUTION

When the welder is in local control, the electrode is always “HOT.”

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CAUTION

Be sure this switch is set to the “Lincoln” (contact clo- sure) position before attempting to operate the SG Control Module. Incorrect switch position could result in damage to the SG Control Module and/or the

CLASSIC II.

FIGURE C.5

CLASSIC II/K492/K488/K487 SPOOL GUN CONNECTION DIAGRAM

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SPARE

Insulate Each

 

 

14 PIN

82

Classic II Output

 

AMPHENOL

81

Unused Lead

 

42

Terminals are on

 

 

Individually

 

 

41

Opposite Side

 

 

21

 

 

+

 

31

31

 

CV-

 

32

32

 

 

2

2

 

 

 

4

4

 

TO

 

GND

GND

 

K867 UNIVERSAL

 

GREEN

 

WORK

 

 

ADAPTER PLUG

75

75

 

 

 

ELECTRODE CABLE TO

76

76

 

77

77

 

K438 SG CONTROL CABLE

Splice Leads

 

 

 

and Insulate

K488 SG

CONTROL K487-25

MODULE SPOOL GUN

K492

INPUT CABLE

K775 OPTIONAL REMOTE CONTROL

CLASSIC II

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Lincoln Electric SVM125-A service manual Control K487-25

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.