Loading ...
Loading ...
Loading ...
youcanhavesecurefooting.Studythe
naturalconditionsthatcancausethe
treetofallIna particulardirection,such
conditionsinclude:
The winddirectionand speed.
The leanofthetree. The leanofa
treemightnotbeapparentduetoun-
evenorslopingterrain.Usea plumb
or leveltodeterminethedirectionof
treeloan.
• Weightandbrancheson oneside.
Surroundingtreesandobstacles.
Lookfor decayandrot.Ifthetrunkis
rotted,itcansnapandfailtowardthe
operator.
Makesurethereisenoughroomfor the
treetofall. Maintaina distanceof2-1!2
treelengthsfromthenearestpersonor
otherobjects.Enginenoisecan drown
outa warningcall.
Removedirt,stones,loosebark,naUs,
staples,andwirefromthe treewhere
cutsaretobemade.
_'_: Ranaclearretreatpath
.... (_ ,_1_'+="'_"DirectionofFafl
FELLING LARGE TREES
(6 inchesindiameterorlarger)
The notchmethodisusedtofell large
trees.A notchiscuton thesideofthe
tree inthedesireddirectionoffall.After
a felling cutismadeon theopposite
sideoftree,thetreewilltendtofall in
thedirectionofthe notch.
NOTE: tf thetreehaslargebuttress
roots,removethembeforemakingthe
notch.
NOTCH CUTAND FELLINGTREE
• Makenotchcutbycuttingthetopof
thenotchfirst.Cutthrough113ofthe
diameterofthetree. Nextcomplete
thenotchbycuttingthebottom.See
illustration.Oncethenotchiscutre-
movethewedgeofwoodfromthe
tree,
• Afterremovingthewood,makethe
feltingcuton theoppositesideofthe
notch.Thisisdonebymakinga cut
abouttwoincheshigherthanthecen-
terofthe nol=h,Thiswillleave
enoughuncutwoodbetweenthefell-
ingcutandthenotchtoform a hinge;
Thishingewilthelppreventthetree
fromfalling inthewrongdirection,
Finalcuthere
Firstcut | r' /
Notch.... _\! _- ..... +
Hingehe/detreeonstumpandhe_ps
controlfall
Opening
offetllng
Closingof A
notch ,,_
NOTE: Beforefellingoutiscomplete,
usewedgestoopenthecutwhen
necessarytocontrolthedirectionoffall.
To avoidkickbackandchaindamage,
usewoodor plasticwedges,butnever
steelorironwedges.
• Bealertto signs thatthetreeis ready
tofail: cracking sounds,wideningof
thefellingcut,ormovementin theup-
perbranches.
I s treestartstofall, stopsaw,putit
down,andgetaway quicklyonyour
plannedretreatpath.
Beextremelycautiouswithpartially
fallen treesthatmay bepoorlysup-
ported.Whena treedoesn'tfallcom-
dPletely,setthesaw asideand pull
ownthetreewitha cablewinch,
blockandtackle,ortractor,Donot
use yoursawtocutdowna partially
fallentree.
CUTi'ING A FALLEN TREE
BUCKING)
uckingisthetermusedfor cuttinga
fallentreetothedesiredlogsize.
WARNING: Donotstandonthe log
beingcut.Anyportioncan rollcausing
lossoffooting andcontrol.Donotstand
downhilloftheJogbeingcut.
IMPORTANT POINT8
+Cutonlyonelogat a time.
• Cutshatteredwoodverycarefully;
sharppiecesofwoodcouldbeflung
towardoperator.
o
Loading ...
Loading ...
Loading ...