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11.
TROUBLESHOOTING
Most generator troubles are caused by carelessness in routine handling, insufficient checks, or
indifference to a slight trouble.
Jn this section the causes and remedies to the major troubles
concerning the generator are introduced. Generally speaking, the causes of the troubles are
different case by case.
An operator of this engine, when encountered with a trouble, should
determine the cause, supplementing the following criteria with his own experiences, and provide
complete countermeasures.
Compression is nonexistent.
A. Starting Failures
A-l
A-2
A-3
A-4
A-5
A-6
A-7
Compression is insufficient, or little.
There is no fuel in the fuel tank.
The fuel is contaminated by water or dust.
The fuel flows only a little, or does not flow at all.
The fuel does not enter into the float chamber of the carburetor.
The fuel does not flow into the combustion chamber although the fuel exists in the float
chamber of the carburetor.
A-8
A-9
The carburetor is overflooded.
Sparks do not come out from the tip of the high voltage cord, or the sparks are weak, if
any.
A-10
Sparks do not come out, or are weak, when the ignition plug is connected.
B.
Abnormal Running
B-l
B-2
B-3
B-4
B-5
B-6
B-7
B-8
B-9
B-10
B-l 1
Compression is insufficient.
Overheating and knocking of the engine
Fluctuation in rpm
rpm of the engine does not increase.
Missfire or explosion outside the tube.
Engine lacks power (Air-fuel mixture blow back to the air cleaner).
Fuel consumption is too high (Black exhaust gas comes out).
Lubricant oil consumption is too high (White exhaust gas comes out).
Excessive engine noise
Abnormal noise is generated and the engine stops suddenly.
The lubricating oil becomes diluted and its consumption rate increases.
C. Failure of Indications on the Control Panel
C-l No voltage output (1).
C-2 No voltage output (2).
D. Abnormal Voltage Output
D-l No DC voltage output.
D-2 Voltage is abnormally high.
D-3 Voltage is abnormally low (1).
D-4 Voltage is abnormally low (2).
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