Scheppach P-MGB5-1 Anleitung Seite 57

• Saw the first branch about 10 cm from the trunk.
• Put in about 15 cm from the base of the top of a further section.
• Saw until the branch breaks. The risk of injury on the trunk is no.
• Finally, remove with a clean cut from the top of the trunk along the remaining.
• Thus, the damage to the tree are kept as low as possible, we recommend the interface additionally
to seal with grafting wax.
Hazards by reactive forces
Reactive forces occur during operation of the saw chain. The forces which are applied to the wood
are against the operator. They occur when the moving chain comes into contact with a fixed object
such as a branch or is pinched. These forces can lead to a loss of control and injury.
Understanding the origin of these forces can help you to avoid the scare and the loss of control.
This saw is designed to make the return effects are not as noticeable as with traditional chain saws.
Always still keep a firm grip and a good level to maintain control of the tool in doubt.
The most common effects are:
• setback
• recoil,
• retreat
Kickback
The setback can occur when the moving saw chain meets at the upper quarter of the guide rail on a
solid object or is pinched.
The cutting force exerted on the chain from the saw, a rotational force in the opposite direction to
the chain travel. This leads to an upward movement of the guide rail.
Avoid kickback
The best protection is to avoid situations that lead to setbacks.
1. Keep the position of the upper guide rail always in mind.
2. Leave this place never come into contact with an object. Cut anything with it. Be especially care-
ful near wire fences and cutting small, hard knots, in which the chain can easily pinch.
3. Cut only one branch at a time.
Withdrawal
The withdrawal occurs when the chain on the underside of the bar suddenly stuck because it is
jammed or encounters a foreign object in the wood. The chain then pulls the saw forward. The with-
drawal often happens when the chain is not running at full speed when in contact with the wood.
Avoid withdrawal
Be aware of the forces and situations that can lead to jamming of the chain on the underside of the
bar.
Always start with running at full speed chain to cut.
Recoil
The recoil occurs when the chain on top of rail suddenly stuck because it is jammed or encounters a
foreign object in the wood. The chain can jerkily hold the saw against the operator. Rebounds hap-
pen often if the top rail is used for cutting.
Avoid recoil
Be aware of the forces and situations that can lead to jamming of the chain on top of rail.
Do not cut more than one branch at a time.
GB | 57
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