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Air leakage in the bonnet
Air ducts blocked
Cooling fan damaged
Piston ring worn, air flow between cylinder
and crankcase
Hints and recommendations
Storage
1.
Preparing for storage: Proper preparation for storage is important to prevent damage to the
petrol engine and to maintain its appearance. Observe the following points to prevent corrosion
and rust, keep the performance and appearance of the engine in good condition, and ensure a
smooth restart.
2. Cleaning: Allow the petrol engine to cool down for at least 30 min after switching it off before
cleaning it. Remove dirt from the entire exterior surface, repair damage to the paint, and apply
a thin layer of oil to prevent rusting.
Important!
If you clean the petrol engine with a hose or a high-pressure cleaner, there is a possibility
that water can penetrate through the openings of the air filter or the silencer. The water may get into the
air-filter element and from there into the air filter or silencer, which can damage the cylinder.
Fuel
•
Petrol can oxidise and spoil during storage. Prolonged storage of petrol leads to starting diffi-
culties and gelatine-like deposits. If the petrol in the engine deteriorates during storage, it is
necessary to repair or replace the carburettor or another part of the fuel system.
•
The service life of the petrol in the tank or carburettor depends on various factors, e.g., the
mixing ratio, the storage temperature, and the filling level. The air in an unfilled tank can also
cause the petrol to deteriorate more quickly, as can high temperatures. It is possible for petrol
to spoil within 30 days or less, especially if the oil has become old.
Important!
Any damage to the fuel system or loss of performance of the petrol engine due to improper
storage by the user is not covered by the warranty.
Draining fuel from the fuel tank and carburettor
Warning!
•
Petrol is highly flammable and explosive and can cause severe burns if handled incorrectly.
•
Keep the petrol away from heat sources, sparks, or naked flames.
•
In the event of spillage, remove the petrol immediately.
1.
Remove the fuel line attached to the side of the petrol engine and drain the fuel from the fuel
tank into a container provided for this purpose. If the fuel tank is equipped with a fuel tap, turn
the fuel tap to "ON" to drain the fuel. After you have completely drained the fuel, reconnect the
fuel line.
2. Loosen the carburettor drain plug to drain the remaining oil into a container and then retighten
the drain plug.
Motor oil
1.
Replace the engine oil.
2. Remove spark plug.
3. Fill about 5–10 ml of new engine oil into each cylinder.
© by WilTec Wildanger Technik GmbH
http://www.wiltec.de
Repair damaged part.
Clean slats.
Replace and reinstall.
Replace worn parts.
Item 92670
Page 15
11 2023-1
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