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MAINTENANCE

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ENGINE OIL CHANGE

Drain the oil while the engine is warm to assure rapid and complete draining.

Remove the oil filler cap and dipstick. Remove the yel- low cap from the oil drain valve and attach the flexible drain tube supplied with the machine. Push in and twist the drain valve counterclockwise. Pull the valve out and drain the oil into a suitable container.

Close the drain valve by pushing in and twisting clock- wise. Replace the yellow cap.

Refill to the upper limit mark on the dipstick with the rec- ommended oil. Tighten the oil filler cap securely.

ENGINE OIL REFILL CAPACITIES

Without oil filter replacement:

1.7qt. (1.6 liter)-Kohler

1.5 qt. (1.4 liter)-Subaru Robin

With oil filter replacement:

2.0 qt. (1.9 liter)-Kohler

1.65 qt. (1.6 liter)-Subaru Robin

Use 4-stroke motor oil that meets or exceeds the require- ments for API service classification SG or SH. Always check the API SERVICE label on the oil container to be sure it includes the letters SG or SH.

SAE 10W-30 is recommended for general, all-tempera- ture use, -5° F to 104° F (-20° C to 40° C). For the Subaru Robin engine, it is recommended that SAE 30 oil be used above 82° F (27° C).

See Engine Ownerʼs Manual for more specific information on oil viscosity recommendations.

Wash your hands with soap and water after handling used oil.

Please dispose of used motor oil in a manner that is com- patible with the environment. We suggest you take it in a sealed container to your local service station or recycling center for reclamation. Do not throw it in the trash, pour it on the ground or down a drain.

OIL FILTER CHANGE

1.Drain the engine oil.

2.Remove the oil filter, and drain the oil into a suitable container. Discard the used oil filter.

3.Clean the filter mounting base, and coat the gasket of the new oil filter with clean engine oil.

4.Screw on the new oil filter by hand, until the gasket contacts the filter mounting base, then use an oil filter socket tool to tighten the filter an additional 1/2 to 7/8 turn.

5.Refill the crankcase with the specified amount of the recommended oil. Reinstall the oil filler cap.

6.Start the engine and check for oil filter leaks.

7.Stop the engine, and check the oil level. If neces- sary, add oil to the upper limit mark on the dipstick.

AIR CLEANER SERVICE

A dirty air cleaner will restrict air flow to the carbure- tor. To prevent carburetor malfunction, service the air cleaner regularly. Service more frequently when operating the engine in extremely dusty areas.

WARNING

Never use gasoline or low flash point solvents for cleaning the air cleaner element. A fire or explosion could result.

CAUTION

Never run the engine without the air cleaner. Rapid engine wear will result from contaminants, such as dust and dirt being drawn into the engine.

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AIR PRE-CLEANER SERVICE

1.Loosen the cover retaining knob and remove the cover.

2.Remove the pre-cleaner from the paper element.

3.Wash the pre-cleaner in warm water with detergent. Rinse the pre-cleaner thoroughly until all traces of detergent are eliminated. Squeeze out excess water (do not wring). Allow the pre-cleaner to air dry.

4.Saturate the pre-cleaner with new engine oil. Squeeze out all excess oil.

5.Reinstall the pre-cleaner over the paper element.

6.Reinstall the air cleaner cover. Secure cover with the cover retaining knob.

RANGER® 250

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Lincoln Electric IM919 manual Engine OIL Change, Engine OIL Refill Capacities, OIL Filter Change, AIR Cleaner Service

IM919 specifications

The Lincoln Electric IM919 is a highly advanced multi-process welding machine that combines versatility and efficiency, making it a go-to choice for professional welders and fabrication shops. Known for its robust design and user-friendly interface, the IM919 is engineered to perform a wide range of welding processes, including MIG, TIG, and stick, enhancing its application for various projects.

One of the standout features of the IM919 is its intuitive control panel. Designed with a clear digital display, it allows welders to easily select and adjust settings for voltage, wire feed speed, and amperage with precision. This accessibility makes it suitable for both novice and experienced users, providing a seamless experience in the welding process.

Technologically, the IM919 incorporates Lincoln Electric’s advanced welding technologies. The machine employs an inverter-based power supply, which offers a lightweight design and improved energy efficiency. This inverter technology significantly enhances arc stability, ensuring consistent weld quality across various materials, including steel, aluminum, and stainless steel. With a maximum output of around 300 amps, the IM919 is capable of handling heavier gauge materials while maintaining a compact form factor.

Additionally, the IM919 features a synergic control mode, which automatically adjusts parameters based on the selected wire type and diameter. This function aids in optimizing the welding process and minimizes trial and error, allowing for faster, more reliable results. Moreover, the machine is equipped with a powerful cooling system that prevents overheating during extended operation, thus extending its overall lifespan.

Durability and safety are paramount in the design of the IM919, as it comes with an IP23S rating, which means it is protected against water and dust ingress, making it suitable for various working environments. Enhanced safety features, such as overload protection and thermal cut-off, ensure that the welder remains operationally safe even under demanding conditions.

In summary, the Lincoln Electric IM919 is a state-of-the-art welding machine that excels in versatility, user-friendliness, and durability. With its advanced technologies and features, it stands out as an essential tool for professionals seeking quality and reliability in welding applications. Whether in a busy workshop or on a job site, the IM919 delivers outstanding performance, making it a valuable investment for anyone in the welding trade.