A-iPower AP170F Operating Manual page 10

② Cleaning the spark plug
• Remove the spark plug;
• Polish the electrode with emery paper or wire brush;
• Adjust the electrode gap.
③ Cleaning the fuel filter
• Remove the filter from fuel tank;
• Clean it in solvent
• Wipe off;
• Replace the filter into fuel tank.
④ Cleaning the deposit cup of the fuel valve
• Remove the cup from fuel valve;
• Clean the cup;
• Replace the cup use a new O-ring.
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