How to Sharpen a Chainsaw | Ask This Old House

Ask This Old House landscape contractor Roger Cook demonstrates the right way to keep a chainsaw sharp.
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Time: Less than an hour

Cost: $20

Skill Level:
Moderate

Tools:
Gloves

Shopping List:
Round File
Flat File
Chainsaw sharpening bracket

Steps:
1. Whenever working around a chainsaw, always wear gloves.
2. Use the line on the chain to set the correct angle of the file and work back and forth until the tooth is sharp again.
3. A bracket can also be used to keep the file at the correct orientation. The tooth will be labelled with the correct angle.
4. The raker must be lower than the tooth. It can be filed down with the flat file.

Resources:
All chainsaw sharpening accessories, including metal files, and file guides can be found at the local home center.

About Ask This Old House TV:
Homeowners have a virtual truckload of questions for us on smaller projects, and we're ready to answer. Ask This Old House solves the steady stream of home improvement problems faced by our viewers—and we make house calls! Ask This Old House features some familiar faces from This Old House, including Kevin O'Connor, general contractor Tom Silva, plumbing and heating expert Richard Trethewey, and landscape contractor Roger Cook.

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How to Sharpen a Chainsaw | Ask This Old House
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