S
S
Release the throttle trigger as soon as
the cut is completed, allowing the en-
gine to idle. If you run the saw at full
throttlewithoutacuttingload,unneces-
sary wear can occur to the chain, bar,
and engine. It is recommended that
the engine not be operated for lon-
ger than 30 seconds at full throttle.
Toavoidlosingcontrolwhencutiscom-
plete,donotputpressureonsaw atend
of cut.
FELLING LARGE TREES
(6 inches (15cm) in diameter or larger)
The notch method is used to fell large trees.
Anotchis cutonthesideofthetreein thede-
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.
S Stop the engine before setting the saw
down after cutting.
TREE FELLING TECHNIQUES
WARNING:
Check for broken or
dead branches which can fall while cutting
causingserious injury. Donotcutnearbuild-
ingsor electrical wires if you donot knowthe
directionoftreefall, norcutatnightsinceyou
will not be ale to see well, nor during bad
weathersuch asrain, snow,or strongwinds,
etc. If thetree makes contact with any utility
line, the utility company should be notified
immediately.
Final (felling) cut here, 2 inches
(5
cm) above center of notch.
First cut
S Carefullyplanyoursawingoperationinad-
vance.
S Cleartheworkarea. Youneedacleararea
all aroundthetreeso youcan havesecure
footing.
Notch
S The chain saw operator should keep on
the uphill side of the terrain as the tree is
likely torollor slidedownhill afterit isfelled.
S Study the natural conditions that can cause
the tree to fall in a particular direction.
Natural conditions that can cause a tree to
fall in a particular direction include:
Hinge
Second cut
S
After removing the wood from the notch,
make the felling cut on the opposite side of
thenotch.Thisisdonebymakingacutabout
two inches (5 cm) higher than the center of
thenotch.Thiswill leaveenoughuncutwood
between the felling cut and the notch to form
a hinge. This hinge will helpprevent thetree
from falling in the wrong direction.
S The wind direction and speed.
S The lean of the tree. The lean of a tree
might not be apparent due to uneven or
sloping terrain. Useaplumb orlevel tode-
termine the direction of tree lean.
S Weight and branches on one side.
S Surrounding trees and obstacles.
Look for decay and rot. If thetrunk is rotted,
it can snap and fall toward the operator.
Check for broken or dead branches which
can fall on you while cutting.
Make sure there is enough room for thetree
to fall. Maintain a distance of 2-1/2 tree
lengths from the nearest personor otherob-
jects. Enginenoisecan drownout awarning
call.
Hinge holds tree on stump and helps
control fall
Opening
of felling
cut
Remove dirt, stones, loose bark, nails, sta-
ples,andwirefromthetreewherecuts areto
be made.
Plana clear retreatpathto therear anddiag-
onal to the line of fall.
Closing of
notch
NOTE: Before felling cut is complete, use
wedges to open the cut if necessary to
controlthedirectionoffall. Toavoidkickback
and chain damage, use wood or plastic
wedges, but never steel or iron wedges.
S Be alert to signs that the tree is ready to
fall: cracking sounds, widening of the fell-
Plan a clear retreat path
Direction of Fall
ing
cut, or movement in the upper
45
_
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, Poulan Pro Chainsaw Manuals |
|---|---|
| Tags | Poulan Pro PPB1634, Poulan Pro PPB1838 |
| Model Year | 2003 |
| Download File |
|
| Document Type | Owner's Manual |
| Language | English |
| Product Brand | Poulan Pro. Poulan Pro US phone support. Wheeled (Mowers, Tractors, Tillers, Snow Throwers): 1-800-849-1297, Handheld (Chainsaws, Trimmers, Blowers, Edgers): 1-800-554-6723, Chainsaw |
| Document File Type | |
| Publisher | poulanpro.com |
| Wikipedia's Page | Poulan |
| Copyright | Attribution Non-commercial |
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