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F-56

TROUBLESHOOTING & REPAIR

F-56

 

 

 

SCR BRIDGE / HEAT SINK ASSEMBLY REPLACEMENT PROCEDURE

FIGURE F.28. Mounting Bolt

J2

 

J5

 

 

J6

 

 

J7

J1

 

 

 

J8

 

 

J4

J3

 

 

Firing Board

 

Control Board

Mounting Bolt

13.Clear all leads and carefully maneuver SCR bridge out of the right side of the machine.

NOTE: Upon reassembly, apply a thin layer of

Lincoln Electric T12837 (Dow Corning

340)heat sink compound to all bolted electrical connections on the alu- minum heat sinks.

CAUTION

UPON REASSEMBLY, THE SCR BRIDGE

ASSEMBLY MUST BE ELECTRICALLY

ISOLATED FROM GROUND. MINIMUM

ACCEPTABLE RESISTANCE TO GROUND

IS 500K OHMS.

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MULTI-SOURCE

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Lincoln Electric SVM155-A service manual Mounting Bolt

SVM155-A specifications

The Lincoln Electric SVM155-A is a state-of-the-art welding machine that excels in versatility and performance, making it ideal for both professional welders and hobbyists. This multi-process welder supports MIG, TIG, and stick welding processes, allowing users to tackle a wide range of applications with a single device. Its user-friendly design and advanced technology make it an exceptional choice for those looking to enhance their welding capabilities.

One of the main features of the SVM155-A is its robust power output, which can handle welding materials ranging from thin sheets to heavier stock. The welder offers a high duty cycle, ensuring that users can work efficiently without the need for prolonged breaks. This is especially important in industrial settings where productivity is key. Additionally, the SVM155-A is equipped with a digital display that allows for easy monitoring and precise control of the welding parameters, ensuring consistency in weld quality.

The European-designed INVERTER technology embedded in the SVM155-A significantly contributes to its lightweight and compact design. Weighing in at only 19.4 lbs, this welder is portable and ideal for fieldwork or workshops where space is limited. The inverter technology not only reduces the size and weight but also improves energy efficiency, leading to lower operational costs over time.

The SVM155-A also features advanced safety mechanisms, including over-current protection to safeguard the machine from potential damage during excessive use. It also includes a thermal overload shut-off, which prevents overheating, ensuring a longer lifespan for the welder.

Another standout characteristic of the SVM155-A is its exceptional arc stability and ease of use. The machine is designed to provide a smooth and consistent arc, reducing spatter and ensuring clean welds. Moreover, the welder is compatible with a wide range of materials, including stainless steel, aluminum, and carbon steel, further enhancing its versatility.

In conclusion, the Lincoln Electric SVM155-A is a powerful, durable, and multifunctional welding machine that incorporates advanced technologies to meet the needs of modern welding applications. Its portability, safety features, and ability to deliver high-quality welds make it an excellent investment for anyone looking to improve their welding skills or expand their capabilities in various welding projects.