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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 1-888-935-3877.
DESCRIPTION
This procedure will aid the technician in checking and, if necessary, adjusting the calibra-
tion of the Power Wave 655R.
Calibration should be checked as part of the Test After Repair and/or if the Control Board
is replaced.
MATERIALS NEEDED
Diagnostic Utilities Software
Laptop or other Suitable Computer
RS-232 Serial Modem Cable or Ethernet Cable
Resistive Load Bank
Two (2) Welding Cables - 20ft. -4/0
Calibrated Ammeter and Voltmeter
*
*
Calibration inaccuracies due to external metering can and will effect weld perfor-
mance. Use good quality digital meters that are calibrated and traceable to
National Standards.
CALIBRATION PROCEDURE
TROUBLESHOOTING & REPAIR
F-67 F-67
POWER WAVE 655/R
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WARNING