Lincoln Electric SVM194-A service manual Perform the Shunt Field Coil, Rocker Adjustment

Return to Section TOC Return to Master TOC

Return to Section TOC Return to Master TOC

Return to Section TOC Return to Master TOC

F-8	TROUBLESHOOTING AND REPAIR				F-8
Observe Safety Guidelines detailed in the beginning of this manual.
PROBLEMS			POSSIBLE AREAS OF	RECOMMENDED
(SYMPTOMS)			MISADJUSTMENT(S)	COURSE OF ACTION
The weld output is considerably		N/A	OUTPUT PROBLEMS	Perform the Shunt Field Coil
less than indicated on the dials				Resistance and Ground
or varies abnormally. Auxiliary				Test.
output appears normal.				Check the Generator brush
(Continued)				rocker position; perform the
				Rocker Adjustment
				Procedure if necessary.
The weld output is considerably		If a remote current control is		The engine RPM may be too
higher than indicated on the		being used, try switching to		high; perform the Engine RPM
dials. Auxiliary voltage appears		local control. The remote		Adjustment Test.
normal.		current control may be faulty.		There may be a short circuit in
				the series field coils. Perform
				the Weld Circuit Ground and
				Short Circuit Test and	Series
				Coil Short Circuit Test.
				Perform the Exciter Rotor
				Resistance and Ground Test.
				Perform the Shunt Field Coil
				Resistance and Ground Test.
				Verify that the rocker is
				positioned correctly, according
				to the factory drill mark.
				Perform the Rocker
				Adjustment Procedure if
				necessary.

Return to Section TOC Return to Master TOC

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