How often to change files for sharpening a chainsaw.

[Dmitry]

I use 2 in 1 Stihl sharpener and don't even remember when I changed my files. It still does the job and I see small shavings when sharpening. Wondering if there is a rule of thumb for when to replace it.

 

[DodgyNomad]

No set time, depends on how often and how aggressive you sharpen. Occasionally pop the end cap and rotate the round files so they wear evenly, I clean mine with an old toothbrush and compressed air regularly. They last a long time, but you can hear/feel when they stop biting, then swap them out.

 

[StihlKicking]

To be short. Whenever they stop cutting.