D-2

D-2

MAINTENANCE

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SAFETY PRECAUTIONS

WARNING

ELECTRIC SHOCK can kill.

• Only qualified personnel should perform this mainte- nance.

Turn the input power OFF at the disconnect switch or fuse box before working on this equipment.

Do not touch electrically charged hot parts.

ROUTINE AND PERIODIC MAINTE- NANCE

1.Disconnect input AC power supply lines to the machine before performing periodic maintenance, tightening, cleaning, or replacing parts. See

Figure D.1.

Perform Periodically:

Clean the inside of the machine with low pressure air stream. Clean the following parts. Refer to Figure

D.1.

Main Transformer.

Electrode and Work Cable connections.

SCR rectifier bridge and heat sink fins.

Control Board.

Firing Board.

Fan Assembly.

NOTE: The fan motor has sealed bearings which require no maintenance.

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Perform the following daily:

1.Check that no combustible materials are in the welding or cutting area around the machine.

2.Remove the debris, dust, dirt, or materials that could block the air flow to the machine for cooling.

3.Inspect the welding cables for any splits or punc- tures in the cable jacket, or any condition that would affect the proper operation of the machine.

MULTI-SOURCE

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Lincoln Electric SVM155-A service manual Safety Precautions, Routine and Periodic MAINTE- Nance

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.