Lincoln Electric SVM194-A Adjustment Test, Perform the Brush and Slip, Ring Service Procedure

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F-4	TROUBLESHOOTING AND REPAIR			F-4
Observe Safety Guidelines detailed in the beginning of this manual.
PROBLEMS		POSSIBLE AREAS OF	RECOMMENDED
(SYMPTOMS)		MISADJUSTMENT(S)	COURSE OF ACTION
Both the weld and auxiliary		OUTPUT PROBLEMS	Perform the Engine RPM
		Make sure the engine is
output voltages are low.		operating at high idle speed.	Adjustment Test.
		Make sure that no load is	Perform the Brush and Slip
		connected to either the weld or	Ring Service Procedure.
		auxiliary outputs.	Perform the Flash Voltage
			test.
			Perform Exciter Rotor
			Resistance and Ground Test.
There is no, or very low weld		Check that the remote/local	Perform the Brush and Slip
output, and no auxiliary output.		switch (if so equipped) is in	Ring Service Procedure.
		the local control position.	Perform the Flash Voltage
		Check that the auxiliary power	test.
		circuit breakers and Ground	Perform the Exciter Rotor
		Fault Circuit Interrupters
		(GFCIs) (if so equipped) are	Resistance and Ground Test.
		not tripped.
		NOTE: GFCIs will not reliably
		reset, unless engine is
		operating at high idle
		RPM.
		Check all leads and cables for
		damaged or poor connections.

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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.

CLASSIC® 300D & 300G