Fuel Filter Cup Cleaning
The fuel filter cup is a small well underneath the fuel valve. It helps to trap dirt and water
that may be in your fuel tank before it can enter the engine. To clean the fuel filter cup:
1. Turn the fuel valve to the "off' position.
2. Unscrew the fuel filter cup from the fuel valve using a wrench. Turn the valve
toward you to unscrew (see figure 19).
3. Clean the cup of all sediment. Using a rag or brush.
4. Reinstall the fuel filter cup.
FUEL VALVE
FUEL FILTER CUP
Figure 19- Removing the Fuel Filter Cup
Spark Plug Maintenance
The spark plug is important for proper engine operation. A good spark plug should be
intact, free of deposits, and properly gapped. To inspect you spark plug:
1. Pull on the spark plug cap to remove it.
2. Unscrew the spark plug from the generator using the spark plug wrench included
with this product (see figure 20).
3. Visually inspect the spark plug. If it is cracked or chipped, discard and replace
with a new spark plug. We recommend using a F6RTC spark plug such as NGK
BPR5ES.
4. Measure the plug gap with a gauge (see figure 21). The gap should be 0.7-0.8mm
(0.028-0.03 lin).
5. If you are 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 its place on the generator using the spark plug
wrench. Replace the spark plug cap.
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