FELLING LARGE TREES
DO NOT cut down a partially fallen tree
withyour saw. Beextremely cautious with
partially fallen trees that may be poorly
supported. When a tree doesn’t fall com-
pletely,setthesawasideandpulldownthe
tree with a cable winch, block and tackle,
or tractor.
S
(6
inches/15 cm in diameter or larger)
The notch method is used to fell large trees.
A notchis cutonthesideofthetreeinthede-
sired 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,
removethembeforemakingthenotch. Ifus-
ing saw to remove buttress roots, keep saw
chainfromcontactinggroundtopreventdull-
ing of the chain.
NOTCH CUT AND FELLING THE
TREE
S Make notch cut by cutting the top of the
notch first. Cut through 1/3 of the diameter
ofthetree.Nextcompletethenotchbycut-
ting the bottom of the notch. See illustra-
tion. Once the notch is cut remove the
notch of wood from the tree.
CUTTING A FALLEN TREE
(BUCKING)
Bucking is the term used for cutting a fallen
tree to the desired log length.
WARNING: Do not stand on the log
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
piecesofwoodcouldbeflungtowardoper-
ator.
S Use a sawhorse to cut small logs. Never
allow another person to hold the log while
cuttingandnever holdthelogwith your leg
or foot.
Final (felling) cut here.
2″ (5 cm) above center of notch.
First cut
5 cm
S Do not cut in an area where logs, limbs,
and roots are tangled. Drag the logs into a
clear area before cutting by pulling out ex-
posed and cleared logs first.
Notch
5
cm
TYPES OF CUTTING USED FOR
BUCKING
Hinge
Second cut
WARNING:
If
saw
becomes
pinched or hung in a log, don’t try to force it
out. Youcanlosecontrolofthesawresulting
in injury and/or damage to the saw. Stop the
saw,driveawedgeofplastic orwoodintothe
cutuntil thesaw canbe removedeasily. Re-
start the saw and carefully reenter the cut.
Do not attempt to restart your saw when it is
pinched or hung in a log.
S After removing the wood from the notch,
make the felling cut on the opposite side of
thenotch.Thisisdonebymakingacutabout
two inches higher than the center of the
notch. This will leave enough uncut wood
between the felling cut and the notch to form
a hinge. This hinge will helpprevent thetree
from falling in the wrong direction.
Use a wedge to remove pinched saw
Hinge holds tree on stump and helps
control fall
Opening
of felling
cut
Turn saw OFF and use a plastic or
wooden wedge to force cut open.
Closing
of
notch
Overcutting beginsonthetopsideofthelog
with the saw against the log. When overcut-
ting use light downward pressure.
NOTE: Before felling cut is complete, use
wedges to open the cut when necessary to
controlthedirectionoffall. Toavoidkickback
and chain damage, use wood or plastic
wedges, but never steel or iron wedges.
Overcutting
Undercutting
S Be alert to signs that the tree is ready to
fall: cracking sounds, widening of the fell-
ing
cut,
or
movement
in
the
upper
Undercuttinginvolves cuttingon theunder-
sideofthelogwithtopofsaw againstthelog.
When undercutting use light upward pres-
sure. Hold saw firmly and maintain control.
The saw will tend to push back toward you.
branches.
S As tree starts to fall, stop saw, put it down,
and get away quickly on your planned re-
treat path.
11
| Categories | Chainsaw Manuals, Husqvarna Chainsaw Manuals |
|---|---|
| Tags | Husqvarna 137, Husqvarna 142 |
| Model Year | 2002, 2003, 2004, 2005 |
| Download File |
|
| Document Type | Operator's Manual |
| Language | English |
| Product Brand | Husqvarna, Chainsaw |
| Document File Type | |
| Publisher | husqvarna.com |
| Wikipedia's Page | Husqvarna |
| Copyright | Attribution Non-commercial |
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