Mechanical Timber Harvesting Handbook
2
Key Safety Information
How Chain Shot Happens
1. The saw chain breaks
2. After a saw chain break, the “free” end of the saw chain begins
to whip away from the break.
3. If the saw chain is not contained by the saw box or a chain
shot guard, the broken saw chain’s free end can speed up
rapidly, carrying immense dynamic energy.
4. At the peak of the whip, saw chain pieces may break loose
and be ejected at high speed.
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