Ryobi RCS1935 Instrucciones Originales página 6

installing or removing attachments
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etc. The operator needs to be aware and in control of
Do not cut with your body in line with the guide bar
prevent the chain coming into contact with your head
or body.
push the chain through the cut.
Do not put pressure on the saw at the end of the cut.
from the wood. Failure to do so could result in possible
serious personal injury.
Do not stop the saw in the middle of a cutting operation.
Keep the saw running until it is already removed from
the cut.
Push and pull
The reaction force is always opposite to the direction the
chain is moving. Thus, the operator must be ready to
the top edge.
Saw jammed in the cut
situation normally occurs because the wood is incorrectly
supported and forcing the cut to close under compression
thereby pinching the blade. If adjusting the support does
not release the bar and chain, use wooden wedges or a
lever to open the cut and release the saw. Never try to start
Personal protective equipment
the operator. The following items should be used when
Safety helmet
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Hearing protection
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Eye and face protection
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Gloves
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Leg protection (chaps)
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Chainsaw safety boots
4 | English
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Chainsaw jackets for upper body protection
INSTRUCTIONS CONCERNING THE PROPER TECH-
NIQUES FOR BASIC FELLING, LIMBING, AND CROSS-
CUTTING
Understanding the forces within the wood
When you understand the directional pressures and
stresses inside the wood you can reduce the "pinches" or
at least expect them during your cutting. Tension in the
goes through. If a log is being supported on a saw horse
and the end is hanging unsupported over the end then
tension is created on the upper surface due to the weight
are being pushed together. If a cut is made in this area the
would pinch the blade.
Felling a tree
See page 239 - 240.
by two or more persons at the same time, the felling
by a distance of at least twice the height of the tree being
felled. Trees should not be felled in a manner that would
it is felled.
An escape path should be planned and cleared as
necessary before cuts are started. The escape path should
of fall.
Before felling is started, consider the natural lean of the
tree, the location of larger branches and the wind direction
to judge which way the tree will fall.
from the tree.
Do not attempt to fell trees which are rotten or have been
dangerous and should only be completed by professional
tree surgeons.
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Notching undercut
See page 239 - 240.
horizontal notching cut first. This will help to avoid
pinching either the saw chain or the guide bar when the