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| TROUBLESHOOTING & REPAIR |
INPUT DIODE REMOVAL AND REPLACEMENT
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
DESCRIPTION
The following procedure will aid the technician in removing and replacing stud type diodes on the aluminum heat sinks of the
MATERIALS NEEDED
3/8" Nut driver, wrench or socket wrench 1/2" socket wrench and extension
17 mm Wrench or socket wrench
11⁄4 " Open end wrench Penetrox A13 joint compound Loctite 271
“Slip” type torque wrench No. 000 fine steel wool Diagonal cutters
Wiring Diagram
This procedure should take approximately 45 minutes to perform.
