Spark Plug

Check the spark plug every 100 hours. Replace the spark plug if upon inspection the electrode Ê is burned or worn. Ensure the spark plug is clean. Check the gap

Ëwith a wire gauge Ì and reset to .76 mm or 0.030 in. if necessary. Use only Briggs & Stratton Spark Tester (part number 19368) to check for spark.

Note: In some areas, local law requires using resistor spark plug to suppress ignition signals. If this engine was originally equipped with resistor spark plug, use same type for replacement.

Ë

Ê Ì

Fuel Filter

WARNING

•Drain fuel tank or close fuel shut-off valve before replacing fuel filter. Otherwise, fuel can leak out creating a fire/explosion hazard.

When replacing fuel filter, ensure clamps are tight and fuel flows into the same direction as the arrow marked FLOW.

Valve Clearance

Check valve clearance on NG and LPG engines every 100 hours.

On gasoline engines check valve clearance every 250 hours.

Muffler/Fuel System

WARNING

•Replacement parts for muffler and fuel system (cap, hoses, tanks, filters, etc.) must be the same and installed in the same position as original parts, otherwise fire can occur.

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