Lincoln Electric CLASSIC I SVM134-A Service Manual page 52

F-8
Observe Safety Guidelines
detailed in the beginning of this manual.
PROBLEMS
(SYMPTOMS)
The actual welding current is much
greater than is indicated on the
dials.
If for any reason you do not understand the test procedures or are unable to perform the test/repairs safely, con-
tact the Lincoln Electric Service Department for electrical troubleshooting assistance before you proceed.
Call 1-800-833-9353.
TROUBLESHOOTING & REPAIR
POSSIBLE AREAS OF
MISADJUSTMENT(S)
OUTPUT PROBLEMS
1. Check the main DC generator
brushes for good commutation
and alignment.
Lincoln Electric Service Dept.
1-800-833-9353 (WELD).
CAUTION
CLASSIC I
TROUBLESHOOTING GUIDE
RECOMMENDED
COURSE OF ACTION
1. The engine operating speed
may be too high. If necessary
Contact the perform the Engine Throttle
Adjustment Test.
2. While the machine is loaded,
check the series coils for signs
of "arcing." This condition could
point to shorted turns in the
series coils.
3. Perform the DC Exciter Test.
F-8