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TROUBLESHOOTING & REPAIR
F-64 F-64
RANGER 300 D AND 300 DLX
WARNING
OUTPUT CONTACTOR REMOVAL AND REPLACEMENT
(RANGER 300 DLX ONLY)
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 manu-
al.
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).
DESCRIPTION
The following procedure will aid the technician in removing the Ranger 300 DLX output con-
tactor for maintenance or replacement. Ranger 300 D models do not have the contactor.
MATERIALS NEEDED
5/16” Nut driver
3/8” Nut driver
3/8” Wrench
1/2” Wrench
Slot head screw driver
Needle nose pliers
Wiring Diagram
This procedure requires approximately 35 minutes to perform.