to Section TOC

to Master TOC

F-20

F-20

TROUBLESHOOTING & REPAIR

CONTROL RECTIFIER TEST (continued)

FIGURE F.5

Return

to Section TOC

Return

to Master TOC

115 VAC 30 VAC

X5 X6

X3 X4

CONTROL RECTIFIER

+

-

FAN

+ 42VDC

+

6800/75

LOCATED ON TRANSFORMER BAFFLE

TEST PROCEDURE

1.Find the following leads at the control rectifier using figures F.5 and F.6.

From Lead

To Lead

Expected Voltage

 

 

 

 

 

471B

472B

42 VDC

 

 

 

 

 

X5

X6

30 VAC

 

2.Carefully connect the meter probes to the exposed lead connections.

3.Turn the machine ON to conduct the voltage test.

4.If the DC voltage tested is incorrect or missing, and the AC voltages are correct, the control rectifier bridge or capacitor may be faulty.

Return to Section TOC

Return to Section TOC

Return to Master TOC

Return to Master TOC

FIGURE F.6

CONTROL RECTIFIER

POWER MIG 300

Page 64
Image 64
Lincoln Electric SVM160-B service manual Control Rectifier Test, 472B

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.