Emptying the Fuel
Chemical degradation & the risk of fuel freezing during the cold months of winter can irreparably damage a chainsaw. This is why it is absolutely vital to empty the fuel tank. If you would like more information on safely removing the fuel from a chainsaw tank you can check it out right here.
Always store a chainsaw in a dry, and if possible warm, place. This will prevent rust, freezing and a host of other problems that are caused if stored in a wet area.
Covering the Chainsaw
Most chainsaw manufactures will provide storage equipment such as a chainsaw bag or sleeve for the chainsaw blade. Be sure to use these as a further means of protection.
No matter how careful you are during the winter month it Is always good to have replacement parts as well as the means of sharpening a dull chainsaw blade when the time comes to dig the chainsaw out. For tips on sharpening a chainsaw check out this blog.