Tree Felling Techniques; Felling Large Trees - Poulan Pro 2250 Instruction Manual

• Begin cutting with the saw frame
against tho log.
• Kccpthoongincatfullspcodthccntir_
lima you ar_ cu_tirlg,
• Allow the chain to uut for you. Exert only
light downward prassure. If you force
the uut, darnagc to the bar, uhain, oron-
gino can result.
• Ralcasc the threttlc tdggcr as 8con a8
the cut is completed, all_irTg the en-
gine to idle. If you run the saw at full
throttle without a cutting load, urmccos-
sary wear can occur to tho chain, bar,
and angina.
• TOavoid I_ing control when Gut is com-
plata, do not put pressure on saw at and
of cut.
• Stop the orlginc before scttirlg the saw
dc_vrr attar uLJtting.
TREE FELLING TECHNIQUES
_WARNING:
Chuck for brekorl or
dead brarrchcs whidl cartfall while ca_irrg
causingsadcos injury, D o notcutnear build-
irrgs or olcctri(,31 wires if you do not _'_ow the
directiort of _.._bfall, nor cut at rfight sirlco you
will not bc ale to sac well, nor dudng bad
w_athcr such a8 rain, snow, or strong winds,
etc.
• CarefoIly plan yoursawirtg oporatiorl inad-
vartuc.
• Clear the work area. You rrecd a clear area
all areurtd thotrocso you can have secure
fcoting.
• Study the natural ccodidorts that can _ausa
the trec to fall in a particular directico.
N_ur-al ccndrtiorts that carl causo a tree to
fall in a particular dir, Jction includo:
• The wind direu'tion and spacd.
• The loan of tho tree. Tho loan of a tree
might not bo apparent duo to uneven or
sloping terrain. Usa a plumb or level to dc-
tcrmirre thodireu'tion of trocloan.
• Weight and br'artuh¢,._on orre side.
• Surrounding trots and obstacles.
Luck for doc_ayand rot If the trunk is re_cd, it
cart snap and fall toward the opcr'utor. Chock
for brekan or d_._d branchas which can fall on
you while cuttir_.
Make sum there is cncogh room for thot r_.._ to
fall. Maintain a distarlco el' 2qf) trec lengths
from the nearest pcrsort or uther object& En-
girto north _n drewrt out a warTfing call.
Remora dirt, stones, Ico,_) bark, nails, staples,
and wire f_m the tr_ whore cuts arc to bo
rnadc.
Plan a clear retreat path to thoroar and diag-
onal to the Iirre of fall.
.le. eel=.r r =.,etpeth
0-'-' oireot,ono ell
FELLING LARGE TREES
(6 inches in diarnotcr or ts_cr)
Tha notch method is usod to fall largo treas.
A notch is Guton the side oftho trec irt the de-
sired diraGtion of fall, Aftar a foiling cut is
made err tho opposite side of tree, the trec
will tend to fall into the notch.
NOTE: If the trac has ts_c buttress reck,
rornovc them bofore making the cotch. If us-
ing saw to rornovc buttress trots, kc_p saw
chain frem corrt_u'ting ground to prevcrrt dull-
ing of the chain.
NOTCH CUT AND FELLING THE
TREE
• Make notch cut by cutting the top of !he
cotch first. Cut through 1/'_of the diameter
ofthotrec. Next cornplato the cotch bycut-
ting the botfom of the rlotuh. Sea illustr",l-
rich. Ortuc tho notch is cut remove tho
cotch of wcod from the tree.
First cuL
Notch
j,
Second cut
• After rornovir tho cutout of wood, make
the foiling cut orl the opposite sido of the
notch. This is done by makirTg a cut about
two inches higher than the center of the
notch. This will leave enough uncutwcod
bobvcon the foiling Gut and the notch to
form a hinge. This hinge will help provarrt
the trco frem falling in the wrerTg direu'tion.
Hinge holds t_e on stump and helps
control fell
Opening
of felling
Closing of
noLch
NOTE: Before foiling Gut is complete, USe
wedges to open the Gut when necessary to
corrtrel the diractiorT of fall. TOavoid kickback
and chain damage, usa wood or plastic
wedges, but never stool or iron wedges.
• Be alert to signs th_ the tree is ready to fall:
ctacldng sounds, widening of the foiling cut,
or rTYovcmcrrtirt the upper br'anuh¢._.
• As trco starts to fall, stop saw, put it dc_vrt,
and got away quickly on your planned re-
treat path.
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