Ryobi RCS36X3550HI, Original Instructions Manual

Page: 6 / 36

4
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installing or removing attachments
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etc. The operator needs to be aware and in control of
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Do not cut with your body in line with the guide bar
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prevent the chain coming into contact with your head
or body.
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push the chain through the cut.
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Do not put pressure on the saw at the end of the cut.
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from the wood. Failure to do so could result in possible
serious personal injury.
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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
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the top edge.
Saw jammed in the cut
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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
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Personal protective equipment
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the operator. The following items should be used when
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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
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Chainsaw jackets for upper body protection
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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
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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
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are being pushed together. If a cut is made in this area the
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would pinch the blade.
Felling a tree
See page 17 - 18.
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by two or more persons at the same time, the felling
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by a distance of at least twice the height of the tree being
felled. Trees should not be felled in a manner that would
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it is felled.
An escape path should be planned and cleared as
necessary before cuts are started. The escape path should
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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.
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from the tree.
Do not attempt to fell trees which are rotten or have been
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dangerous and should only be completed by professional
tree surgeons.
1. Notching undercut
See page 17 - 18.
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horizontal notching cut first. This will help to avoid
pinching either the saw chain or the guide bar when the