Important Points - Poulan Pro PP5020AV Manual De Instrucciones

Plan a clear retreat path
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FELLING LARGE TREES
(6 inches (15 cm) in diameter or larger)
The notch method is used to fell large trees. A
notch is cut on the side of the tree in the desired
direction of fall. After a felling cut is made on
the opposite side of tree, the tree will tend to fall
into the notch.
NOTE:
If the tree has large buttress roots, re-
move them before making the notch. If using
saw to remove buttress roots, keep saw chain
from contacting ground to prevent dulling of the
chain.
NOTCH CUT AND FELLING THE TREE
S Make notch cut by cutting the top of the
notch first. Cut through
the tree. Next complete the notch by cutting
the bottom of the notch. See illustration.
Once the notch is cut remove the notch of
wood from the tree.
Final (felling) cut here, 2 inches
(5 cm) above center of notch.
First cut
Notch
Second cut
S After removing the wood from the notch, make
the felling cut on the opposite side of the notch.
This is done by making a cut about two inches
(5 cm) higher than the center of the notch. This
will leave enough uncut wood between the fell-
ing cut and the notch to form a hinge. This
hinge will help prevent the tree from falling in
the wrong direction.
Hinge holds tree on stump and helps
control fall
Closing
of notch
NOTE:
Before felling cut is complete, use
wedges to open the cut if necessary to control
the direction of fall. To avoid kickback and
chain damage, use wood or plastic wedges,
but never steel or iron wedges.
Direction of Fall
of the diameter of
1/3
Hinge
Opening of
felling cut
S Be alert to signs that the tree is ready to fall:
cracking sounds, widening of the felling cut, or
movement in the upper branches.
S As tree starts to fall, stop saw, put it down,
and get away quickly on your planned retreat
path.
S DO NOT cut down a partially fallen tree with
your saw. Be extremely cautious with partially
fallen trees that may be poorly supported.
When a tree doesn't fall completely, set the
saw aside and pull down the tree with a cable
winch, block and tackle, or tractor.
CUTTING A FALLEN TREE
(BUCKING)
Bucking is the term used for cutting a fallen tree
to the desired log size.
WARNING:
being cut. Any portion can roll causing loss of
footing and control. Do not stand downhill of the
log being cut.

IMPORTANT POINTS

S Cut only one log at a time.
S Cut shattered wood very carefully; sharp
pieces of wood could be flung toward operator.
S Use a sawhorse to cut small logs. Never al-
low another person to hold the log while cut-
ting and never hold the log with your leg or
foot.
S Do not cut in an area where logs, limbs, and
roots are tangled such as in a blown down
area. Drag the logs into a clear area before
cutting by pulling out exposed and cleared
logs first.
TYPES OF CUTTING USED FOR BUCKING
WARNING:
or hung in a log, don't try to force it out. You can
lose control of the saw resulting in injury and/or
damage to the saw. Stop the saw, drive a
wedge of plastic or wood into the cut until the
saw can be removed easily. Restart the saw
and carefully reenter the cut. To avoid kick-
back and chain damage, do not use a metal
wedge. Do not attempt to restart your saw
when it is pinched or hung in a log.
Use a wedge to remove pinched saw
Turn saw OFF and use a plastic or
wooden wedge to force cut open.
Overcutting begins on the top side of the log with
the bottom of the saw against the log. When over-
cutting use light downward pressure.
Overcutting
Undercutting involves cutting on the under-
side of the log with top of saw against the log.
When undercutting use light upward pressure.
Hold saw firmly and maintain control. The saw
will tend to push back toward you.
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Do not stand on the log
If saw becomes pinched
Undercutting