Troubleshooting & repair, Caution – Lincoln Electric CLASSIC III SVM 137-A User Manual
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TROUBLESHOOTING & REPAIR
F-12
F-12
Classic III and IIID
TROUBLESHOOTING GUIDE
Observe Safety Guidelines
detailed in the beginning of this manual.
CAUTION
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
216-383-2531 or 1-800-833-9353.
PROBLEMS
(SYMPTOMS)
POSSIBLE AREAS OF
MISADJUSTMENT(S)
RECOMMENDED
COURSE OF ACTION
ENGINE PROBLEMS
The engine starts but shuts down
after a short period of time.
1. Check for adequate fuel supply.
2. Check the engine oil level.
3. Check the coolant.
1. The Classic IIID diesel only:
The oil pressure switch or tem-
perature sensor may be causing
the engine protection relay to
shut off the fuel supply to the
engine.
2. The protection relay may be
faulty.
3. The engine fuel injectors may
need service.