Lincoln Electric INVERTEC POWER WAVE 450 SVM112-B - Manual (Page 231)

INPUT RECTIFIER REMOVAL AND REPLACEMENT
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).
DESCRIPTION
The following procedure will aid the technician in removing the input rectifier for mainte-
nance or replacement.
MATERIALS NEEDED
5 mm Allen wrench
Phillips head screw driver
10 mm Open end wrench
RTV Silicone sealant (Lincoln E2861)
Dow Corning 340 Joint Compound (Lincoln E1868)
S18491 M.O.V. Assembly (if necessary)
Machine Wiring Diagram in the Electrical Diagrams section of this manual
WARNING
TROUBLESHOOTING & REPAIR
F-171 F-171
POWER WAVE 450
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This procedure takes approximately 45 minutes to perform.