Output Rectifier Bridge Test - Lincoln Electric RANGER 250 SVM150-A Service Manual

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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 there are faulty diodes in the output rectifier bridge.
MATERIALS NEEDED
Volt/Ohmmeter (Analog)
11/32" Nut driver
1/2" Wrench
3/8" Wrench or socket wrench
9/16" Wrench
Wiring Diagram
This procedure should take approximately 45 minutes to perform.
TROUBLESHOOTING & REPAIR

OUTPUT RECTIFIER BRIDGE TEST

WARNING
RANGER 250
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