Lincoln Electric RANGER 225 GXT Service Manual page 52

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Observe Safety Guidelines detailed in the beginning of this manual.
PROBLEMS
(SYMPTOMS)
Engine will not crank or cranks
very slowly.
The engine shuts off.
Engine does not develop full
power.
Engine tries to start when S3 is in
start position, then shuts off when
switched to run.
Engine will not start with S3 in
start position, but then tries to
start or does start when S3 is
switched to run position.
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.
TROUBLESHOOTING AND REPAIR
POSSIBLE AREAS OF
MISADJUSTMENT(S)
OUTPUT PROBLEMS
1. Check for loose or faulty battery
cable connections.
2. The battery may be faulty.
3. Check the ammeter to see if the
battery is charging. If not, the
charging
defective.
1. The engine may be low on or out
of fuel.
2. The oil level may be low.
3. The fuel filter may be clogged.
1. The fuel filter may be clogged.
Replace if necessary.
2. The air filter may be clogged.
Replace if necessary.
3. The spark plug(s) may be faulty.
Replace if necessary.
1. Oil pressure switch may be
faulty.
2. Fuel Shutoff Solenoid Diodes
may be open.
1. Engine shutdown solenoid
diodes may be open.
2. Start switch (S3) may be faulty.
CAUTION
RANGER® 225 GXT
1. If the battery is replaced or
tests good, then the charging
circuit may be faulty. Perform
the Charging Circuit Test.
2. The starter motor or starter
solenoid may be faulty.
circuit may be
3. The engine may be hard to
crank due to a mechanical
failure in the engine.
1. The oil pressure switch may be
faulty. Replace if necessary.
2. The fuel shut-off solenoid may
be faulty (Kohler engines only).
1. Due to wear, the engine may
be in need of repair.
1. Check Oil Switch should show
continuity when running/open
when off Switch. Replace oil
pressure switch if necessary.
2. Check engine diodes in engine
wiring harness.
necessary (Engine Mfg. Part).
1. Check Engine diodes in engine
wiring harness. Replace if
necessary (Engine Mfg. Part).
2. Check start switch (S3).
Replace if necessary.
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RECOMMENDED
COURSE OF ACTION
Replace if