Il. TROUBLESHOOTING
In troubleshooting the generator, you will encounter certain categories of problems.
It is important to check each component step by step.You will certainly find the cause of any trouble through
a systematic Troubleshooting.
11-l ENGINE DOES NOT START OR ENGINE DOES NOT RUN NORMALLY.
11-1-l CHECK THE BASICS
1) The control switch should be in the “CHOKE” position. If the engine has already been warmed up, the
control switch should be in the “RUN” position.
2) There should be sufficent gasoline in the fuel tank.
3) The spark plug cap should tit snugly on the spark plug.
4) All electric appliances should either be disconnected from the generator or their switches should be turn-
ed off. A generator often will not start if a load is already turned “ON” at starting.
11-1-2 CHECK THE IGNITION SYSTEM
(1) CHECKING SPARK AT SPARK PLUG
n
Open the spark plug cover and remove the plug cap.
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Remove the sparkplug and check to see that it is clean and has an adequate plug gap. Use the correct spark
plug, NGK BMR4A or CHAMPION PCJ8.
Keep the plug gap between 0.6 - 0.7 mm (0.02 - 0.03 in.).
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Insert the spark plug into the plug cap.
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Ground the metal body of the spark plug against the metal part of the generator.
w Set the control switch in the “RUN” position, pull the starter handle and check the spark. If the spark is
strong, the ignition system is normal. If the spark is weak, or if there is no spark at all, the ignition system
is defective.
(2) CHECKING IGNITION COIL
If a strong spark is not produced at spark plug, the
next step is to check the ignition coil.
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Remove the side covers left and right.
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Remove the muffler cover, muffler and the inner
muffler cover.
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Using a circuit tester, check the resistance be-
ween the green wire and the core of the ignition
coil.
NORMAL RESISTANCE
HIGH-TENSION CORD-GREEN WIRE
0.61L!
I
Fig. 11-1
-63 -
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