Lincoln Electric SVM192-A Rotor Voltage2. PTestrform the, Troubleshooting And Repair, Problems

Models: SVM192-A

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Rotor Voltage2. PTestrform the

F-7

TROUBLESHOOTING AND REPAIR

F-7

Observe Safety Guidelines detailed in the beginning of this manual.

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PROBLEMS

POSSIBLE AREAS OF

(SYMPTOMS)

MISADJUSTMENT(S)

 

OUTPUT PROBLEMS

Machine has low welding output 1. The brushes may be worn.

and low auxiliary output.Contact your local Lincoln Authorized Service Facility.

2. The engine RPM may be low.

RECOMMENDED

COURSE OF ACTION

1.If the engine HIGH IDLE RPMThe Throttleis low, Adjustmentthen performTest.

Rotor Voltage2. PTestrform the

.

3.If the rotor voltage is low the Field Capacitor (C1) or the Field Bridge (D2) may be faulty. Test and replace if necessary.

4.Check the Output Control Potentiometer. Normal resis- tance is 10,000 ohms. Also check associated wiring for loose or faulty connections.

5.The Rotor Rotormay Resistancebe f ulty. TestP rform the

.

6.The Printed Circuit Board may be faulty. Replace.

7.If the engine HIGH IDLE RPM is OK, then the engine may have lost horsepower and be in need of major repair.

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Manual backgroundCAUTION

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.

EAGLE™ 10,000

Page 43
Image 43
Lincoln Electric SVM192-A Rotor Voltage2. PTestrform the, Troubleshooting And Repair, Problems, Possible Areas Of