Muffler And Spark Arrester; Carbon Sediments; Fuel System; Removal Of Dirt - hecht 553 SW Original Instructions For Use

9. Attach the spark plug cap to the spark plug.
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MUFFLER AND SPARK ARRESTER

WARNING! Running engines produce heat. Engine parts, especially muffler, become
extremely hot. Severe thermal burns can occur on contact. Combustible debris,
such as leaves, grass, brush, etc. can catch fire.
• Allow muffler, engine cylinder and fins to cool before touching.
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• Remove accumulated debris from muffler area and cylinder area.
• contact the original equipment manufacturer, retailer, or dealer to obtain a spark arrester
designed for the exhaust system installed on this engine.
Remove accumulated debris from muffler area and cylinder area. Inspect the muffler for cracks,
corrosion, or other damage. Remove the spark arrester, if equipped, and inspect for damage or
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carbon blockage. If damage is found, install replacement parts before operating.
WARNING: Replacement parts must be of the same design and installed in the same
position as the original parts. Other parts may not perform as well, may damage
the unit, and may result in injury.

CARBON SEDIMENTS

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It is recommended to remove carbon sediments from cylinder, piston upper side and valves
surrounding each 100 – 300 operating hours in authorised service center.

FUEL SYSTEM

Attention: Spare parts of fuel system (plugs, hoses, tanks, filters etc.) must be the
same as original otherwise arises danger of fire.
PL
• Regularly check the condition of fuel hoses.
• Replace the fuel hose every 2 years. If fuel leaks from fuel hose, replace the fuel hose immediately.

REMOVAL OF DIRT

Each day or before each use remove from the engine settled dirt. Keep clean draw bars, springs
and control elements. Remove flammable rests from muffler surrounding.
Warning: Never clean the engine by water. Water could penetrate into fuel system.
Use brush or dry cleaning rag.
Caution: Engine and his parts have to be kept clean in order to avoid overheating
and ignition of dirt layer.

DRAINING THE FUEL TANK AND CARBURETOR

WARNING! Gasoline is highly flammable and explosive, and you can be burned or
seriously injured when handling fuel.
• Stop engine, allow it to cool completely and keep heat, sparks, and flame away.
• Refuel only outdoors.
• Wipe up spills immediately.
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