RPM Adjustment Test | Lincoln Electric SVM187-A instruction

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F-11	TROUBLESHOOTING AND REPAIR			F-11
Observe Safety Guidelines detailed in the beginning of this manual.

	PROBLEMS	POSSIBLE AREAS OF	RECOMMENDED
	(SYMPTOMS)	MISADJUSTMENT(S)	COURSE OF ACTION

		OUTPUT PROBLEMS
The welding arc frequently “pops		The Job selector rheostat may	The engine RPM may be
out”. Welding seems otherwise		be set too low.	incorrect; perform the Engine
normal and auxiliary output		If a remote control is being used,	RPM Adjustment Test .
voltage appears normal.		If a remote control is being used,
		try switching to local control.	Perform the Brush and Slip
		The remote control unit may be	Ring Service Procedure.
		faulty.	Perform the Welding Generator
		Check welding cables for	Perform the Welding Generator
		Check welding cables for	Brush and Commutator
		damaged or poor connections.	Inspection and Service
		Welding cable may be	Procedure .
		Welding cable may be
		excessively long, too small, or	Perform the Output control unit
		coiled. Try using a set of short	Inspection and Service
		test cables of adequate size.	Procedure.
			Perform the Exciter Rotor
			Voltage Test.
			Perform the Shunt Field Circuit
			Voltage Test.
			Check that the rocker is aligned
			to the factory drill mark, and
			perform the Rocker Adjustment
			Procedure if necessary.

The engine will not crank when		The batteries may be	Check for battery voltage where
the start button is pressed.		discharged. Check, and if	lead 235 connects to the starter
		necessary, charge or replace the	solenoid, while holding in the
		batteries.	start button.
		The battery cables or battery	• If no voltage is present, check
		connections may be loose or	the connections and wiring
		corroded. Service the battery	connecting the starter
		terminals.	solenoid, the ammeter, and
			the start push button switch.
			(See the wiring diagram)	If
			the wiring and connections
			are good, replace the push
			button switch.

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

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.

Lincoln Electric SVM187-A service manual RPM Adjustment Test

Models: SVM187-A

TROUBLESHOOTING AND REPAIR

COURSE OF ACTION

OUTPUT PROBLEMS