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F-33

F-33

TROUBLESHOOTING & REPAIR

FLASHING AND ROTOR VOLTAGE TEST

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 1-800-833-9353 (WELD).

TEST DESCRIPTION

This test will determine if the correct DC voltage is being applied to the rotor at the maxi- mum engine speed (1900 RPM). This information will aid the technician in determining if the generator field is operating properly.

MATERIALS NEEDED

Volt/Ohmmeter

3/8" Wrench

Wiring Diagram

This procedure should take approximately 20 minutes to perform.

COMMANDER 300

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Lincoln Electric SVM145-B service manual Flashing and Rotor Voltage Test