Lincoln Electric RANGER 9 IM753-A Operator's Manual page 30

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PROBLEMS
(SYMPTOMS)
Engine will not go to high idle when
using auxiliary power.
Engine will not crank or is hard to
crank.
Engine will not start or shuts down.
Engine does not develop full power.
Engine is hard to start.
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 AREAS OF
MISADJUSTMENTS(S)
1. No voltage signal from the
current sensor.
2. Auxiliary power load less than
100 to 150 watts.
3. Faulty P.C. Board.
1. Battery will not hold a charge.
Faulty Battery.
2. No or insufficient charging
current.
3. Loose battery cable
connection(s).
4. Spark plugs fouled
1. Out of fuel.
2. Low oil level.
3. Fault in fuel system.
4. Oil pressure switch faulty.
5. Generator terminal block
connection faulty
6. Faulty P.C. Board (Onan engine)
1. Fuel filter clogged.
2. Air filter clogged.
1. Spark plugs do not have
specified gap.
2. Spark plugs are fouled.
CAUTION
RANGER 9
RECOMMENDED
COURSE OF ACTION
If all recommended possible areas of
misadjustment have been checked
and the problem persists, Contact
your local Lincoln Authorized
Field Service Facility.
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