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E-2
PROBLEMS
(SYMPTOMS)
Engine will "crank" but not start.
Machine fails to hold the "heat"
constantly.
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.
TROUBLESHOOTING
Observe all Safety Guidelines detailed throughout this manual
POSSIBLE
1. Air intake shut-off is closed.
Manually reset inside machine.
2. Out of fuel. Fill fuel tank.
3. Fuel shut off valve is in off posi-
tion.
4. Low battery voltage.
1. Rough or dirty commutator.
2. Brushes may be worn down to
limit of life.
3. Brush springs may be broken.
4. Field circuit may have variable
resistance connections or intermit-
tent open circuit, due to loose con-
nections or broken wire.
5. Electrode or work lead connec-
tions may be poor.
6. Wrong grade of brushes may be
installed on generator.
7. Field rheostat may be making
poor contact and overheating.
8. "Current Control" may not be
operating properly.
9. "Current Control" brushholder con-
tact springs may be worn out or
missing. Contact surface may be
dirty, rough and pitted.
10. "Current Control" brushholder
support stud and mating contact
surfaces may be dirty or pitted
and burned.
11. Engine running at varying
speeds.
SAE-400 SEVERE DUTY
CAUSE
If all recommended possible areas
of misadjustment have been
checked and the problem persists,
Contact your local Lincoln
Authorized Field Service Facility.
CAUTION
RECOMMENDED
COURSE OF ACTION
E-2
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Table of Contents
Troubleshooting
