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F-51F-51

TROUBLESHOOTING & REPAIR

STATOR VOLTAGE TESTS

WARNING

Service and repair should be performed by only Lincoln Electric factory trained personnel. Unauthorized repairs performed on this equipment may result in danger to the technician or machine operator and will invalidate your factory warranty. For your safety and to avoid electrical shock, please observe all safety notes and precautions detailed throughout this manual.

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

TEST DESCRIPTION

This test will determine if the stator is able to produce correct voltage from of its windings. It will only yield meaning data if the engine high idle speed is correct, (3625 to 3675 RPM), and approximately 46 to 54 VDC is present across the rotor slip rings.

NOTE: The slip ring voltage will most likely be correct if at least one of the AC output volt- ages is correct.

MATERIALS NEEDED

Miscellaneous hand tools

Voltmeter

Test pins

RANGER 305D

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Lincoln Electric SVM175-A service manual Stator Voltage Tests, 51F-51