How Chain Shot Happens; Key Safety Information - Oregon Harvester Handbook

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 .
Mechanical Timber Harvesting Handbook

Key Safety Information

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