If the carburetor feeds too much fuel into the engine, the engine will overheat. In the carburetor, petrol and air mix before ignition by the spark plug. The Carburettor Needs An Adjustment (Petrol Engines)Īll petrol weed whackers require their carburetor to be adjusted at some point. Keep in mind that the fuel and oil mixture can only be used for up to 30 days before it goes bad. The fuel and oil must be premixed before pouring into the tank so that they blend evenly. Solutionįollow the measurement and mixing instructions provided in the owner’s manual. If the mixture is done incorrectly and there is too much petrol, the fuel will burn at a higher temperature. The muffler can be cleaned with a wire brush.įor 2-stroke petrol engines, petrol and oil must be mixed using the correct ratios. If the air filter is worn out, replace it with a new one. To clear out the air passages, the pads of the air filter can be removed and washed.
If either of these units is blocked, air circulation will be disrupted, and the engine will overheat. The muffler assists in removing heated exhaust gases from the engine. It ensures the availability of clean and cold air to the engine that is used in combustion. Removing particles from the air is the job of the air filter. The typical air passages in a petrol engine are the air filter and the muffler.
#Poulan weed eater bad spark plug symptoms how to
Your user manual will have details on how to open the covers. To gain access to them, several covers may need to be removed. The cooling fins can be cleaned using an old toothbrush. They can be clogged by vegetation and other debris during operation, preventing the engine from cooling properly. These fins also increase the surface area for heat exchange between the engine and the air around the weed trimmer. The fins help remove hot air from around the engine. Most weed eaters have cooling fins around the engine cylinders. Overheating In Engines Clogged Cooling System
If you are experiencing overheating problems with your trimmer, the following checklist will assist you in identifying the issue and solving it. While most overheating problems are associated with the engine, the string head can also burn out. If the heat is not removed correctly or the engine is overworked, the weed eater can overheat and stop functioning. The heat created in the process is typically fanned away into the atmosphere.
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