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F-24

TROUBLESHOOTING AND REPAIR

F-24

OUTPUT RECTIFIER BRIDGE TEST (continued)

FIGURE F.4 – LOCATION OF OUTPUT RECTIFIER LEADS

OUTPUT RECTIFIER

(-)

(+)

(-)

(+)

(-) (+)

ENGINE

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TEST PROCEDURE

1.Remove the spark plug wires to prevent acci- dental engine kickback or starting.

2.With the 5/16” nut driver, remove the 6 sheet metal screws from the case top.

3.Remove the rubber gasket (cover seal) from the lift bail.

4.Remove the fuel cap. The rubber gasket for the fill tube will come off with the case top.

5.Remove the case top, then replace the fuel cap.

6.With the 5/16” nut driver, remove the 5 screws holding the right case side.

7.Remove the right case side by lifting up and out.

8.Conduct the test with the gasoline engine OFF.

9.Locate the Output Rectifier Bridge behind the machine case front.

10.With the 7/16” wrench or socket wrench and 6” extension, remove the nuts and washers hold- ing the diode bridge pigtails and the heavy cur- rent-carrying leads to the studs located in the middle of the rectifier assembly. Note their locations and the order of fasteners for reassembly.

11.Electrically isolate the (-) diode connectors by slightly bending them back into “free air.”

12.With an ohmmeter or diode tester, check each of the four diodes from their connector to their respective heat sinks. See Figure F.4.

13.Reverse the tester leads and check the diodes again. Diodes should have a low resistance in one polarity and a very high resistance in the opposite polarity.

14.Replace any “shorted” or “open” diode bridge assembly the tests indicate.

15.Reconnect the diode connectors and heavy leads to their respective studs.

16.Reinstall the case side, case top, fuel cap, lift bail gasket and spark plug wires.

EAGLE™ 10,000

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Lincoln Electric SVM192-A service manual Output Rectifier Bridge Test, Figure F.4 Location of Output Rectifier Leads
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SVM192-A specifications

Lincoln Electric's SVM192-A is a standout model in the sphere of welding machines, renowned for its advanced technology and versatility, making it a preferred choice among welding professionals and industrial applications. This single-phase inverter-based machine balances performance and portability, providing users with a reliable solution for a variety of welding tasks.

One of the key features of the SVM192-A is its capacity to perform multiple welding processes. It supports MIG, TIG, and stick welding, which allows users to switch between different techniques depending on the project requirements. This multi-functionality enhances the machine's utility, making it viable for various applications ranging from home projects to professional fabrication works.

The SVM192-A is equipped with Lincoln Electric’s proprietary technologies, including the advanced inverter technology, which ensures high efficiency and power output while maintaining a compact size. This inverter technology not only improves arc stability but also reduces power consumption and heat generation, making it a more eco-friendly option.

Key characteristics of the SVM192-A include a user-friendly digital display that provides clear settings for amperage, voltage, and other parameters, enabling precise control during welding. The machine also features a robust construction, designed to withstand tough working environments, ensuring longevity and minimal downtime.

Moreover, the SVM192-A incorporates safety features designed to protect the user and the machine, including overcurrent and thermal overload protection. This prioritization of safety ensures a worry-free operation, allowing welders to focus on their craft without the distraction of potential hazards.

Portability is another significant advantage of the SVM192-A. Weighing in at a lightweight design, it is easy to transport, making it ideal for mobile operations or jobs that require moving the equipment frequently.

In summary, the Lincoln Electric SVM192-A embodies versatility, efficiency, and durability, making it an exceptional choice for both novice and experienced welders. Its ability to handle multiple welding processes, combined with advanced technologies and user-friendly features, positions it as a top contender in the welding equipment market, suitable for a wide range of applications in various sectors.
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