（4）Install the air cleaner element in the air cleaner case, close cabinet door.
■Dirty air filter will affect the air into the carburetor, and reduce the engine work power. If the engine
works in dirty place, please replace the air filter often.
■Don’t operate the generator without the filter element in place or serious engine damage
may result.
3.5 Spark plug inspection and adjustment:
（1）Remove the spark plug cap and remove the spark plug with plug sleeve
（2）Remove carbon on the electrodes of spark plug with a wiey brush and check sealing washer for
damage.
（3）Check the resistance value of spark plug and replace if the resistance value is not within the
stated value.
Resistance value of spark plug 3~9KΩ
（4）Measure the plug gap with a wire-type feeler gauge. If the gap is not compatible with the standard,
adjust by bending the side electrode.
Spark plug gap .028-.034 in. (0.7~0.8 mm)
Standard spark plug WR7DC
（5）Install the plug and tighten securely after adjustment, the specified torque is 20~30 N.
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