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POWER-ARC 4000
F-8
TROUBLESHOOTING
F-8
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 start.
1. Check the fuel line for breaks or
obstructions. Replace the fuel
filter. DO NOT RUN THE EN-
GINE WITHOUT AN IN-LINE
FUEL FILTER.
2. The spark plug may be faulty.
Replace.
3. Service the engine as outlined in
the Maintenance section of this
manual.
4. The engine magneto may be
faulty. Consult engine owner’s
manual.
5. The engine may be faulty.
Replace.
1. Make sure the ON/OFF Switch is
in the “ON” position.
2. Check spark plug boot and wire
for loose or faulty connection.
3. Make sure that the fuel shutoff
valve is in the “ON” position.
4. Make certain that the engine has
adequate fuel and oil.
5. Adjust the choke to prevent car-
buretor flooding.
6. The recoil starter may not be
engaged with the engine. gently
hit the blower housing and/or
pull the rope to its fully extended
position and rapidly wiggle it.
Repeat until the clutch engages
with the engine shaft and resis-
tance is felt.
7. Low oil and engine low oil shut-
down protection will not allow
unit to start. Light in ON-OFF
switch will flash when engine is
cranked. (Engines equipped
with low oil shutdown protection
only).
CAUTION
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