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Limbing Branches
Generally, unless you are falling a Christmas
tree, you’ll want to remove as many of the
branches, making it easier to transport the logs
to their final destination.
This process of removing tree branches from
fallen trees is called limbing.
When limbing branches from a still standing
tree, NEVER limb (cut) above your shoulders.
When you attempt to cut above your shoulders,
you have to hold the chainsaw at or above your
head. It is very easy for you to you lose
control over the saw in this position, which can
result in a very serious if not fatal injury.
The next simple rule after you have fallen a
tree--take five from a safe distance from where
you’ve fallen the tree. At your safe point,
examine the area where the tree lays and see if
there are any smaller trees, which have been
bent over and trapped by the felled tree, these
are called springpoles. You also want to see if
there are any branches that are holding the tree
partially up, or if the tree is on the level
ground. Next, look up—see if you can detect any
dead branches, or any form of debris that is
hanging above the area where the tree lays, and
may still fall to the ground. Dead branches and
debris are called widowmakers because it has
been well-documented the number sever injuries
and deaths, which have occurred from falling
debris several minutes after a tree has been
felled. Which is why, we say take five. This
give you time to catch your breath, and become
aware of any overhead hazards.
Next, you need to assess the fallen tree. If the
tree you fell is lodged or wedged between
adjacent trees and did not fall completely to
the to the ground, do not attempt to walk
underneath the tree. Trees that are hung can
fall without warning and are especially
dangerous. These trees should be moved by means
of equipment that either pull or lift the tree
so that it will not rollover.
Once all hazards and obstacles have been
accessed and removed, you can now start limbing
the tree. You want to begin at the bottom of the
tree, removing branches on the opposite side
from where you are, and work your way toward the
top. In this way, the tree is between you and
the chainsaw, providing additional protection
for you.
When limbing, do not stand on the downhill side
of the tree, the tree could roll downhill and
trap you, if you happen to cut a branch, which
is supporting the tree log in place. While
cutting, keep an eye on the tip of the chainsaw
to avoid kickback. As you cut, you want to from
time to time stop, turn your chainsaw off, and
remove all debris from your work area. This will
also help you avoid kickback.
When limbing trees that have very large and
heavy braches you have to take extreme care. As
you removed branches from the tree, the log can
shift unexpectedly, which is why you must have
good footing and have good balanced so that if
you need to move, you will have the freedom to
do so.
Springpoles are smaller tree, which are bent
over and trapped by a fallen log. Springpoles
have a huge amount of stored energy and present
possible the greatest dangers of the limbing
process. This stored energy can be safely
released in two simple ways. The first method is
to use an axe to cut the springpole at the apex
of its bend. The second method is to do the
same, only using your chainsaw.
To locate the apex, imagine a vertical line
rising from the base of the tree and a
horizontal line extending from the highest point
of the spring pole. Where these two lines
intersect, imagine a 45-degree angle to the
spring pole. This is the apex and where the
maximum amount of tension is located.
You can cut a springpoles from either underneath
or from the above. When cutting it from the top,
you have to stand at 45 degrees to the tree to
avoid from being struck by the spring pole if
the tension is suddenly released. From At this
position, you can use the chainsaw to make a
series of small cuts at the apex until the
fibers begin to break on their own. When making
this cut the chainsaw has to be at maximum RPMs
with a slow rate of feed. Once the fibers begin
to break, quickly move away from the tree and
let the pressure release itself. Now, the
springpole can safely be cut.
More hardware and
equipment information:
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equipment
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Home
construction equipment
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