How to Gasoline Chainsaw?

Gasoline chainsaw is one of many garden products, it has the most wide range and the highest frequency of use. Because it comes with sharp sawtooth for high-speed cutting of wood. Therefore, when using it, we need to take more stringent safety precautions. Any non-standard operations, not timely maintenance, will form a certain security risk, we need to pay attention.
First of all, when you start the chainsaw, do not start hove to end. Gently pull the starting handle until the stop position, then quickly pulling force, while pressing down the front handle.
Next, after the long-time operation of the engine at maximum throttle, let it idle period, so that flow of cooling air, release most of the heat in engine.
Again, if the engine power is decreased, it may be caused by dirty air filter. Remove the carburetor cover and remove the air filter, clear dirt around the filter.