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FUNCTION PROBLEMS
Observe Safety Guidelines detailed in the beginning of this manual.
PROBLEMS
(SYMPTOMS)
POSSIBLE AREAS OF
MISADJUSTMENT(S)
RECOMMENDED
COURSE OF ACTION
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.
CAUTION
The engine will not crank when
the start button is pressed.
(Classic® 300D Kubota)
(Continued)
• Check that the Engine Control
Module (ECU) is getting
battery power and has a good
ground connection (See
wiring diagram)
• Check lead #52B between the
start button and the ECU.
• Replace the ECU.
The engine cranks when the
start button is pressed, but will
not start.
(Classic® 300G and Classic®
300D Perkins)
Make sure the run/stop switch
is in the run position.
The run/stop switch may have
been left in the run position for
more that 30 seconds (60
seconds for some models).
Reset the engine protection
system by moving the run/stop
switch off, then on again.
Check that the battery circuit
breaker is not tripped.
Check that there is an
adequate supply of fresh clean
fuel, and that the fuel shut-off
valve is open.
Check and if necessary,
replace the fuel filter.
(Classic® 300D Perkins only)
If the machine is being used in
a cold climate, the Glow Plugs
may need to be used. See the
welder operatorsʼ manual and
the engine operatorʼs manual
for detailed instructions.
(Classic® 300D Perkins only)
There may be air in the fuel
system. See the engine
manufacturerʼs manual and
bleed all air from the fuel
system.
Perform the Engine Fuel
System Voltage Tests.
TROUBLESHOOTING AND REPAIR
F-13 F-13
CLASSIC® 300D & 300G
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