Muffler; Carbon Sediments; Fuel System; How To Replace The Fuel Filter - hecht 5169 Translation Of Original Instructions For Use

6. After the spark plug is seated, tighten with the proper size spark plug wrench to compress
the washer.
EN
7. When installing a new spark plug, tighten by 1/2 turn after the spark plug seats to compress
the washer.
8. When reinstalling the original spark plug, tighten by 1/8 - 1/4 turn after the spark plug seats
to compress the washer.
9. Attach the spark plug cap to the spark plug.
DE
I
A loose spark plug can become very hot and can damage the engine. Over tightening
Note:
the spark plug can damage the threads in the cylinder head.

MUFFLER

Allow the engine and exhaust to cool before handling.
• Remove accumulated debris from muffler area and cylinder area.
CS
• Make sure the muffler is without cracks, corrosion or other damage.
• If the exhaust system is fitted with a spark arrester, it must be kept clean and
passive. After removing the arrester and knocking out the coarse dirt, clean
the arrester with a fine brush (e.g. toothbrush) from all deposits. After cleaning,
reassemble it.

CARBON SEDIMENTS

SK
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

A
CAUTION!
PL
Spare parts of fuel system (plugs, hoses, tanks, filters etc.) must be the same as
original otherwise arises danger of fire.
• 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.
HU

HOW TO REPLACE THE FUEL FILTER

1. Prior replacing the fuel filter, if the device is equipped with it, drain the fuel tank or close
the shut-off valve to prevent accidental fuel spillage.
2. Press the clips on the fuel tube using pliers. Remove the clips aside from the ends of the fuel
filter.
3. Remove the fuel filter from the fuel tube.
4. Check the condition of the fuel tubes for tightness and cracks and replace if necessary.
5. Insert new filter in the correct direction into the tube.
6. Secure the filter by re-pushing of the safety clips.
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