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Service and repair should be performed only by Lincoln Electric factory trained personnel.
Unauthorized repairs performed on this equipment may result in danger to the technician
or machine operator and will invalidate your factory warranty. For your safety and to avoid
electrical shock, please observe all safety notes and precautions detailed throughout this
manual.
If for any reason you do not understand the test procedures or are unable to perform the
test/repairs safely, contact the Lincoln Electric Service Department for electrical trou-
bleshooting assistance before you proceed. Call 1-888-935-3877.
TEST DESCRIPTION
This test will help pinpoint a failure of the engine protection system and should be done if
the engine fault light turns on and the engine shuts down shortly after startup, and the
engine is not actually in a fault condition.
MATERIALS NEEDED
Miscellaneous hand tools
Multimeter
Wiring diagram
IMPORTANT
Before proceeding with this test, verify that the engine has normal
oil pressure, is not overheated, and the alternator drive belt is in
place and properly tensioned.
ENGINE PROTECTION SYSTEM TEST PROCEDURE
TROUBLESHOOTING AND REPAIR
F-29 F-29
CLASSIC® 300D & 300G
WARNING
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