Lincoln Electric RANGER 305G EFI Service Manual page 23

LINCOLN ELECTRIC
Observe Safety Guidelines
detailed in the beginning of this manual.
PROBLEMS
(SYMPTOMS)
The engine starts, but shuts
down immediately when the
start button is released.
The engine will not develop full
power.
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 troubleshooting assistance before you proceed. Call 1-888-935-3877.
POSSIBLE AREAS OF
MISADJUSTMENT(S)
ENGINE AND IDLE PROBLEMS
1. Check the oil level. Be
certain that the engine is not
overheated.
2. Check that the machine has
an adequate supply of fresh,
clean fuel.
3. The fuel filter may be
clogged. Replace the fuel filter
if necessary.
1. The fuel may be old or
contaminated. Supply the
engine with fresh, clean fuel.
2. The fuel filter may be
clogged; replace the filter if
necessary.
3. The air filter may be
clogged; replace if necessary.
Ranger® 305G EFI Service Manual
TROUBLESHOOTING GUIDE
RECOMMENDED
COURSE OF ACTION
1. The fuel pump may be faulty
or not operating properly.
Check lead 225B. See Wiring
Diagram.
2. Check the oil pressure relay
and shutdown relay for proper
operation. See Wiring
Operation.
3. The oil pressure switch may
be faulty.
1. The engine may be in need
of adjustment or repair.
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