Travel Motor Test - Lincoln LT-7 Troubleshooting Manual

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Service and repair should only be performed by 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 technical troubleshooting assistance before you proceed. Call 216-383-2531
or 1-800-833-9353(WELD).
TEST DESCRIPTION
This test will determine if the travel motor is able to function when supplied with the cor-
rect voltage.
MATERIALS NEEDED
Variable DC voltage supply 0 to 90VDC.
Isolated DC voltage supply 110VDC. (Only needed for older units with powered field
motor).
Volt/Ohmmeter
TROUBLESHOOTING AND REPAIR

TRAVEL MOTOR TEST

LT-7 TRACTOR
WARNING
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