Wear gloves and eye protection
Secure the chainsaw and engage the chain brake
Clean the chain and bar before sharpening
Identify the shortest cutter on the chain
Use the correct round file size for your chain
Place the file in the cutter at the proper angle
File each cutter from the inside to the outside
Use smooth, even strokes and count the same number on each cutter
Sharpen all cutters on one side first
Rotate to the other side and repeat
Keep the file level and maintain the top-plate angle
Check and adjust depth gauges with a depth gauge tool
File depth gauges to the correct height if needed
Inspect the chain for damage, cracks, or worn parts
Reinstall and tension the chain properly
Test the saw briefly and check chain movement before use