Main Transformer Removal And Replacement - Lincoln Electric IDEALARC R3R-300 Service Manual

F-54

MAIN TRANSFORMER 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 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 216-383-2531 or 1-800-833-9353 (WELD).
DESCRIPTION
The following procedure will aid the technician in removing the main transformer for mainte-
nance or replacement.
MATERIALS NEEDED
5/16" Nut driver
9/16" Socket wrench
9/16" Box end wrench
1/2" Socket wrench
1/2" Box end wrench
3/8" Nut driver or socket wrench
9/16" Deep well socket wrench
TROUBLESHOOTING & REPAIR
WARNING
This procedure takes approximately 3 to 5 hours
depending on which coils are being replaced.
IDEALARC R3R
F-54