Causes And Operator Prevention Of Kickback - STERWINS ECS2-40.3 Mode D'emploi

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Causes and operator prevention of kickback

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Kickback may occur when the nose or tip of the guide bar touches an
object, or when the wood closes in and pinches the saw chain in the cut.
Tip contact in some cases may cause a sudden reverse reaction, kicking
the guide bar up and back towards the operator.
Pinching the saw chain along the top of the guide bar may push the
guide bar rapidly back towards the operator.
Either of these reactions may cause you to lose control of the saw which
could result in serious personal injury. Do not rely exclusively upon the
safety devices built into your saw. As a chain saw user, you should take
several steps to keep your cutting jobs free from accident or injury.
Kickback is the result of tool misuse and/or incorrect operating
procedures or conditions and can be avoided by taking proper precautions
as given below:
1.Maintain a firm grip, with thumbs and fingers encircling the chain saw
handles, with both hands on the saw and position your body and arm
to allow you to resist kickback forces. Kickback forces can be controlled
by the operator, if proper precautions are taken. Do not let go of the
chain saw.
2.Do not overreach and do not cut above shoulder height. This helps
prevent unintended tip contact and enables better control of the chain
saw in unexpected situations.
3.Only use replacement bars and chains specified by the manufacturer.
Incorrect replacement bars and chains may cause chain breakage and/
or kickback.
4.Follow the manufacturer' s sharpening and maintenance instructions
for the saw chain. Decreasing the depth gauge height can lead to
increased kickback.
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