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POWER-ARC 4000
F-9
TROUBLESHOOTING
F-9
TROUBLESHOOTING GUIDE - Observe all Safety Guidelines detailed throughout this manual
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact the
Lincoln Electric Service Department for technical troubleshooting assistance before you proceed. Call 1-800-833-9353
ENGINE PROBLEMS
PROBLEMS
(SYMPTOMS)
POSSIBLE AREAS OF
MISADJUSTMENTS(S)
RECOMMENDED
COURSE OF ACTION
Engine will not stop running.
Engine runs erratically or stops run-
ning.
Engine sputters but will not start.
1. Make sure the Rotary ON/OFF
Switch is functioning correctly.
See wiring diagram.
1. The engine may require service
to the head or carburetor.
2. The fuel pump may be faulty.
Consult Briggs & Stratton.
Consult Briggs & Stratton owner’s
manual.
1. Make sure the Rotary Switch is
in the “OFF” position.
1. Check the spark plug boot and
wire for loose or faulty connec-
tion.
2. The spark plug may be faulty.
Replace.
3. The fuel and air mixture may be
out of adjustment. Consult
Briggs & Stratton owner’s man-
ual.
4. The fuel supply may be con-
taminated with water.
1. The spark plug may be faulty.
2. The fuel supply may be contami-
nated with water.
3. The air filter may be clogged.
Replace.
4. The fuel and air mixture may be
out of adjustment.
CAUTION
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