F-17

TROUBLESHOOTING AND REPAIR

F-17

Observe Safety Guidelines detailed in the beginning of this manual.

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PROBLEMS

(SYMPTOMS)

The engine goes to low idle, but will not stay at low idle.

The machine has normal weld and auxiliary output. The engine starts and shuts down normally.

POSSIBLE AREAS OF

MISADJUSTMENT(S)

OUTPUT PROBLEMS

Make sure there are no external loads on the weld terminals or the auxiliary power receptacles. Disconnect the weld cables and unplug anything that may be connected to the auxiliary receptacles.

RECOMMENDED

COURSE OF ACTION

The low idle RPM may be too low. Perform the Engine Idle

Adjustment Procedure.

The idle solenoid linkage may be out of adjustment. Check that the linkage moves freely and that the plunger is not binding in any way. Check that the solenoid can freely pull in and solidly seat against its internal stop.

The idle solenoid may have failed. Disconnect the solenoid leads and check the resistance of the solenoid coil. It should be about 8.8 Ohms at 77 Deg. F

(25 Deg. C). Check the solenoid for a grounded coil; the resistance between chassis ground and either solenoid lead wire should be 500k Ohms (500,000 Ohms) minimum.

There may be a poor or intermittent connection in the solenoid wiring, or a component may be opening while under load. Check the idle switch and the wiring between the switch, the solenoid, and the PC Board. Repair or replace any poor connections, damaged wiring, or faulty components. (See wiring diagram)

The idle/engine protection PC board may be faulty.

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CAUTION

If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact the Lincoln Electric Service Department for technical troubleshooting assistance before you proceed. Call 1-888-935-3877.

SAE-400 SEVERE DUTY

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Lincoln Electric SVM187-A service manual Low idle RPM may be too low. Perform the Engine Idle

SVM187-A specifications

The Lincoln Electric SVM187-A is a cutting-edge welding machine designed for professional welders and industrial applications. Known for its reliability and performance, it stands out in the competitive welding equipment market. This versatile machine is structured to handle various welding processes, making it a popular choice among users.

One of the primary features of the SVM187-A is its multifunctional capabilities. It supports MIG, TIG, and Stick welding, allowing users to switch between different welding techniques seamlessly. This flexibility makes it suitable for diverse applications, whether working on automotive repairs, metal fabrication, or construction projects. Additionally, the machine is equipped with a robust power output, ranging from low to high amperage settings, enabling users to tackle a wide array of materials, including mild steel, stainless steel, and aluminum.

The SVM187-A incorporates advanced inverter technology, which ensures increased efficiency and reduced energy consumption. This technology leads to a more compact design, making the unit portable and easy to transport. The lightweight construction of the machine does not compromise its durability; it is built with high-quality materials to withstand the rigors of a professional workshop.

Another notable characteristic of the SVM187-A is its user-friendly interface. The intuitive control panel includes digital displays for precise settings adjustments, ensuring accuracy during operation. Beginners and seasoned welders alike can benefit from the clear and straightforward design, reducing training time and enhancing productivity.

Safety features are paramount in the SVM187-A's design. The machine is equipped with thermal overload protection, ensuring that it operates within a safe temperature range to prevent damage and promote longevity. Additionally, it features automatic voltage regulation, which maintains a stable arc even under varying input voltage conditions.

In summary, the Lincoln Electric SVM187-A is a versatile, efficient, and user-friendly welding machine suited for both professional and industrial applications. Its multifunctionality, inverter technology, and robust safety features set it apart from competitors, making it a reliable choice for welders seeking to elevate their craftsmanship while ensuring safety and efficiency. This machine represents the innovation and quality that Lincoln Electric is renowned for in the welding industry.