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ENGINE PROBLEMS
Observe Safety Guidelines detailed in the beginning of this manual.
PROBLEMS
(SYMPTOMS)
POSSIBLE AREAS OF
MISADJUSTMENT(S)
RECOMMENDED
COURSE OF ACTION
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 1-888-935-3877.
CAUTION
Engine will not start.
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).
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 Briggs &
Stratton owner’s manual.
5. The engine may be faulty.
Replace.
TROUBLESHOOTING AND REPAIR
F-9 F-9
BULLDOG® 140
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