27
Working techniques
SAFETY PRECAUTIONS FOR KICKBACK AND PINCHING
WARNING!
Beware of kickback!
Kickback can occur whenever the tip of the guide bar touches an object while the saw is operat-
ing. Kickback may force the bar up and back toward the operator with lightning-like speed!
Beware of pinching!
Pinching can occur whenever wood closes in around the moving chain. Pinching the saw along
the tip of the guide bar may force the bar back rapidly toward the operator!
Both kickback and pinching may cause you to lose control of the chainsaw which could result in serious per-
sonal injury. Do not rely exclusively on the safety devices built into the chainsaw! As a chainsaw user you must
take several steps to keep cutting jobs free from accident and injury:
1. With a basic understanding of kickback and pinching you can reduce or even eliminate the element of sur-
prise. Sudden surprises contribute to accidents.
2. Keep a firm grip on the chainsaw with both hands. A firm grip will help you reduce the effects of kickback
and pinching as well as maintain a better control of the saw.
3. Make sure that the area in which you are cutting is free from obstructions. Do not let the nose of the guide
bar contact a log, branch or any other obstruction which could be hit while you are operating the chainsaw.
4. Cut at high engine speeds.
5. Follow manufacturer’s instructions for sharpening and maintaining the chain.
6. Only use replacement bars and chains specified by the manufacturer or the equivalent.
Flush-cutting thick branches:
If branch diameter is more than 10 cm,
first perform undercut (3) and crosscut
at a distance (A) of about 25 cm from
the final cut. Then carry out the flush-
cut (4), starting with a relieving cut and
finishing with a crosscut.
Relieving cut:
To avoid kickback and pinching when
pruning thick branches, always start by
performing a relieving cut (1) on the
underside of the branch.
To do this apply the cutting attachment
and pull it across the bottom of the
branch as far as the bar nose. Then
perform the crosscut (2).
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