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F-34

F-34

TROUBLESHOOTING & REPAIR

OSCILLOSCOPE WAVEFORMS MUST BE TAKEN IN MODE 201

NORMAL OPEN CIRCUIT VOLTAGE WAVEFORM

20.0 V

2.0 MS/DIV

This is a typical DC output voltage waveform generated from a properly operating machine. Note that each vertical division represents 20 volts and that each horizontal division represents 2.00 milliseconds in time.

NOTE: Scope probes connected at the machine output terminals: (+) probe to electrode, (-) probe to work.

SCOPE SETTINGS

Volts/Div

20V/Div.

Horizontal Sweep ..

2.5 ms/Div.

Coupling

DC

Trigger

Internal

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CODES 10562 AND BELOW

Power Mig 300 in mode 201. Mode 201 is a con- stant current test mode.

1.Toggle and hold the Mode Select switch in the up position.

2.Turn on the Power Mig 300.

3.Rotate the right output knob, while still holding the Mode Select switch up, until the display reads “ALL nodE”.

4.Release the Mode Select switch and toggle the Mode Set switch until the MSPlll panel reads 201. Disengage the idler arm on the wire drive so no wire will feed.

CODES 10952 AND UP

Power Mig 300 in mode 201. Mode 201 is a con- stant current test mode.

1.Toggle and hold the Mode Select switch in the up position.

2.Turn on the Power Mig 300.

3.Once the display reads “Pres Spin” release the mode select switch. Rotate the output knob until the display reads “ALL nodE”.

4.Toggle the Mode Select switch once and wait for the machine to reset, then toggle the MODE SET switch until the MSPlll panel reads 201. Disengage the idler arm on the wire drive so no wire will feed.

POWER MIG 300

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Lincoln Electric SVM160-B service manual Codes 10562 and below, Codes 10952 and UP, Scope Settings

SVM160-B specifications

The Lincoln Electric SVM160-B is a standout model in the realm of portable arc welders, designed specifically for light to medium-duty welding tasks. As part of Lincoln Electric’s renowned line of welding equipment, the SVM160-B combines efficiency with durability, catering to both professional welders and hobbyists alike.

One of the primary features of the SVM160-B is its lightweight and compact design. Weighing in at just around 60 pounds, it offers excellent portability, allowing users to easily transport the unit to various job sites. This mobility is enhanced by an integrated handle and a rugged construction, making it suitable for both indoor and outdoor applications.

The SVM160-B utilizes advanced inverter technology, which significantly enhances its performance capabilities. This technology not only contributes to the welder's energy efficiency but also allows for a more stable arc, reducing spatter and resulting in cleaner welds. The machine can operate on both 120V and 240V power sources, providing flexibility for users to adapt to different settings and requirements.

Among its key characteristics, the SVM160-B features a welding output range that accommodates various welding needs, allowing users to achieve welds from 20 to 160 amps. This versatility makes it ideal for welding different materials, including mild steel, stainless steel, and aluminum. Furthermore, the unit supports a range of welding processes, including MIG, stick, and TIG welding, enhancing its adaptability for various projects.

Another highlight of the SVM160-B is its user-friendly interface. The control panel is designed to facilitate ease of use, with clearly marked dials and indicators that enable quick adjustments of settings. This intuitive design ensures that both novice and experienced users can operate the machine efficiently and effectively.

Safety features are also a crucial aspect of the SVM160-B. It comes equipped with thermal overload protection, which prevents the unit from overheating during extended use. This built-in safeguard extends the welder's lifespan and enhances user safety.

In summary, the Lincoln Electric SVM160-B is a versatile, portable welder that combines advanced technology with user-friendly features, making it an excellent choice for a wide range of welding applications. Its lightweight design, inverter technology, and robust safety features make it a reliable option for both professionals and enthusiasts. Whether tackling small repairs or larger projects, the SVM160-B stands ready to deliver quality results.