D-4

D-4

MAINTENANCE

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FUEL FILTER: Inspect the fuel filter daily. Drain any accumulated water from the engine fuel filter/water separator daily. Change the fuel filter after the first 50 hours of operation and every 1000 hours thereafter. Dust and dirt in the fuel system can cause the injection pump and injection nozzle to wear quickly. Change the fuel filter as follows:

1.Close the fuel stopcock.

2.Loosen the fuel filter cartridge (see Figure D.1) with a removal tool and spin the cartridge off. Catch any escaping fuel in an appropriate container.

3.Clean the sealing surface of the filter carrier. Apply a light film of oil or diesel fuel to the rubber gasket of the new fuel filter cartridge.

4.Screw the new cartridge into position finger tight until the gasket is evenly seated. Then turn it down another 1/2 turn. Do not overtighten the new filter.

5.Open the fuel stopcock. Check the assembly for leaks.

Order Deutz fuel filter #117-4482 from your local Deutz Service Center. A fuel filter element without the water separator may be used in place of the standard ele- ment. Order Deutz #117-4696.

The fuel system on the Deutz engine is self priming. You do not have to bleed the system.

AIR CLEANER: The Deutz diesel engine is equipped with a dry type air filter. Inspect the air cleaner daily - more often in dusty conditions. Never apply oil to the air cleaner. Service the air cleaner as follows:

1.Remove the dust cup from the bottom of the air cleaner housing. Clean out any accumulated dust.

2.Loosen the wing nut and remove the filter element.

3.If dust is sticking to the dust collector element, blow compressed air through it from the inside out. Turn the element as you apply air. Air pressure should be under 686 kPa (7 kgf/cm2, 99 psi).

4.Check the element for damage before reassem- bling the air cleaner. Replace the element if it appears damaged. The air cleaner element part number is Donaldson #181050 or Nelson #70206N.

COOLING SYSTEM: The Deutz diesel engine is air cooled. Clean the engine cooling system periodically to prevent clogging the air passages on the cylinder heads and oil cooler and overheating the engine. Consult the Engine Operation Manual. It is important to locate the welder to provide an unrestricted flow of clean, cool air.

BEARINGS: The Classic II is equipped with double- shielded ball bearings having sufficient grease to last indefinitely under normal service. Where the welder is used constantly or in excessively dirty locations, it may be necessary to add one half ounce of grease per year. A pad of grease one inch wide, one inch long, and one inch high weighs approximately one half ounce. Over- greasing is far worse than insufficient greasing.

When greasing the bearings, keep all dirt out of the area. Wipe the fittings completely clean and use clean equipment. More bearing failures are caused by dirt introduced during greasing than from insufficient grease.

TIGHTENING THE FAN BELT: Fan Belts tend to loosen after the first 50 hours of operation. If the fan belts are loose, the engine can overheat and the bat- tery can lose its charge. Check belt tightness by press- ing on the belt midway between the pulleys. The cool- ing blower belt should deflect no more than 10 to 15 mm (0.28 to 0.35 in.). See Figure D.2.

To adjust the cooling blower belt, loosen bolts 1 and 2, then push idler pulley 3 outward until the correct belt tension is achieved. Retighten bolts 1 and 2.

FIGURE D.2 – TIGHTENING THE COOLING

BLOWER BELT

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CLASSIC II

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Lincoln Electric SVM125-A service manual Figure D.2 Tightening the Cooling Blower Belt
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SVM125-A specifications

The Lincoln Electric SVM125-A is a versatile and highly efficient welding machine that has gained significant recognition in the welding industry. Designed for both professionals and enthusiasts, this machine combines advanced technology with user-friendly features to deliver outstanding performance in a range of welding applications.

One of the standout features of the SVM125-A is its Inverter Technology. This cutting-edge technology allows for lightweight and compact design, making the machine highly portable. The inverter technology also provides a steady arc, which is crucial for achieving clean, high-quality welds. With a duty cycle of 125 amps at a 60% duty cycle, this welding machine can handle a variety of materials and thicknesses, from thin sheet metal to heavier structural components.

The SVM125-A supports multiple welding processes, including MIG, stick, and TIG welding. This versatility makes it an ideal choice for diverse welding tasks, whether you're working in a fabrication shop, doing repair work, or engaged in hobbyist projects. The machine features easy switch functionality, allowing users to quickly shift between welding processes without complicated setup.

Another notable characteristic is the machine's user-friendly interface. The intuitive control panel includes clear indicators and knobs that allow for easy adjustments of voltage and wire feed speed. This design is especially helpful for novice welders, providing them with the confidence to make adjustments as needed and ensuring optimal weld quality.

Safety is also a priority with the SVM125-A. The machine is equipped with thermal overload protection, which automatically shuts it down in case of overheating, preventing damage to the unit and ensuring operator safety. Additionally, the machine features a robust construction that emphasizes durability, making it suitable for demanding work environments.

Portability is enhanced through its lightweight design, and the built-in carrying handle makes it easy to transport from one job site to another. The SVM125-A is also compatible with a variety of welding accessories, further increasing its adaptability and functionality.

In conclusion, the Lincoln Electric SVM125-A stands out as a well-rounded welding machine that integrates advanced technology with user-friendly features. Its versatility in welding processes, robust design, and emphasis on safety and usability make it a valuable tool for welders at all skill levels. Whether for professional use or personal projects, the SVM125-A is a reliable choice that delivers exceptional performance and quality.
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