Lincoln Electric IM10005 Welding System User Manual


 
E-4
TROUBLESHOOTING
E-4
BULLDOG™ 140
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 your
Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed.
CAUTION
PROBLEMS
PROBLEMS
(SYMPTOMS)
POSSIBLE
CAUSE
RECOMMENDED
COURSE OF ACTION
Engine will not start. 1. Spark plug boot or wire off, loose or
wet.
2. Fuel shutoff valve is closed.
3. Low oil and engine low oil shutdown
protection will not allow unit to start.
Light in ON-OFF switch will Flash
when the engine is cranked.
(Engines equipped with low oil shut
down protection only).
4. Choke left in full choke position and
carburetor flooded.
5. Fuel line clogged or closed.
6. Recoil start will not engage with
engine.
7. Fouled spark plug.
8. Engine requires service to head,
head gasket, and/or valves.
9. Float open in carburetor & gas leak-
ing from bowl.
10. Engine operated with low oil level.
Engine is seized and recoil start will
not move.
If all recommended possible areas
of misadjustment have been
checked and the problem persists,
Contact your local Lincoln
Authorized Field Service Facility.