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TROUBLESHOOTING & REPAIR
F-27 F-27
RANGER 300 D AND 300 DLX
WARNING
HIGH SPEED SOLENOID TEST
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 elec-
trical 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 solenoid coil resistance is normal and also if the solenoid is
capable of functioning when it is energized with 12VDC.
MATERIALS NEEDED
External 12VDC supply (30 amps)
Wiring Diagram
Volt/Ohmmeter
This procedure requires approximately 35 minutes to perform.