The dangers of adding too much oil to a chainsaw

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Some people always feel that it is very troublesome to refuel oil for the chainsaw. It often adds much at a time. It is not suitable for the chain saw itself. The chain saw has the standard of refueling. It is not the more, the better.

After the engine of the chain saw works, the gasoline will be thermally expanded, and the mechanical vibration will increase. If the tank is overfilled, petrol can spill out of the cap, wasting fuel and causing a fire. Therefore, it is better to add oil to the tank volume of about 90%.

When the oil in the oil sump is excessively added, the oil will enter the combustion chamber to participate in the combustion, which increases the oil consumption and quickly causes an accident. In addition, excessive oil will increase the resistance of the connecting rod and crankshaft and increase power loss. Therefore, the oil in the oil sump should be added between the oil dipstick’s upper and lower scribe lines.

The oil in the oil saw disk of the chain saw should be added to the engraved position. If it is added too much, the oil will be sucked into the cylinder to participate in the combustion, which will quickly cause carbon deposits and cause oil accidents.

The inner surface of the chain saw wheel hub is significant, mainly for heat dissipation. If the hub is filled with grease when the rolling bearing is installed, the running resistance is increased, and the braking effect is affected by the grease being diluted by heat. Therefore, apply some grease to the rolling bearing to keep the “empty hub lubrication.”

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