GEN4065 4000 Surge Watts/3250 Running Watts Portable Generator
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Air Filter Maintenance
Routine maintenance of the air filter helps maintain proper airflow to the carburetor. Occasionally verify that the air filter is free of excessive dirt. The
air filter will require more frequent cleaning when operating this generator in extremely dusty areas.
To clean air filter, remove from generator. Wash in kerosene. Pour motor oil on filter, squeeze out excess oil and reinstall in the generator.
Spark Plug Maintenance
The spark plug is essential for proper engine operation. The spark plug should be intact, free of deposits, and properly gapped. A bad or incorrectly
installed spark plug can cause engine damage.
To inspect the spark plug:
1. Remove the spark plug by pulling on the spark plug cap.
2. Unscrew the spark plug from this generator by using the included spark plug wrench.
3. Visually inspect the spark plug. If it is cracked and/or chipped, discard and install a new spark plug. A F6TC spark plug, such as NGK BPR5ES, is
recommended.
4. Measure the spark plug electrode gap with a gauge. The gap should be 0.028-0.031in (0.7-0.8mm). (See Figure 9.)
5. If re-using the spark plug, use a wire brush to clean any dirt from around the spark plug base and then re-gap the spark plug.
6. Screw the spark plug back into place on this generator by using the included spark plug wrench.
7. Replace the spark plug cap.
Figure 9 - Measuring the spark plug gap
To store this generator for extended time, drain the gasoline from the carburetor AND fuel tank.
To drain gasoline from this generator:
1. Turn the fuel valve to the “off” position and let the engine run until it stops.
2. Remove the fuel filter cup. (See “Fuel Filter Cup Cleaning” earlier in this section.)
3. Empty the fuel filter cup of any fuel.
4. Place a receptacle underneath this generator to catch gasoline as it drains.
5. Turn the fuel valve to the “on” position and allow all gasoline to drain.
6. Turn the fuel valve to the “off” position.
7. Replace the fuel filter cup.
8. Store the drained gasoline in a suitable place.
Do not store gasoline for more than 3 months.
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