Product Manual

21
OREGON® PowerNow™
CHAINSAW MODEL CS250
AF 0911 - F/N 547361
OPERATING THE SAW
2
)
 FELLINGBACKCUT
Makethefellingbackcutatleast
2inches(51mm)higherthanthe
horizontalnotchingcut(Fig.16).
Keepthefellingbackcutparallelto
thehorizontalnotchingcut.Make
thefellingbackcutsoenoughwood
islefttoactasahinge.Thehinge
woodkeepsthetreefromtwisting
andfallinginthewrongdirection.
Donotcutthroughthehinge.
FELLING BACK CUT
FELLING
BACK CUT
HINGE
DIRECTION
OF FALL
NOTCH
2 INCHES
2 INCHES
Fig. 16
Asthefellingcutgetsclosetothe
hingethetreeshouldbegintofall.
Ifthereisanychancethatthetree
maynotfallinthedesireddirection
oritmayrockbackandbindthe
sawchain,stopcuttingbeforethe
fellingbackcutiscompleteand
usewedgesofwood,plasticor
aluminumtoopenthecutanddrop
thetreealongthedesiredlineoffall.
Whenthetreebeginstofall,remove
thechainsawfromthecut,stopthe
motor,putthechainsawdown,then
usetheretreatpathplanned.Bealert
foroverheadlimbsfallingandwatch
footing.
3
)
LIMBING A TREE
Limbingisremovingthebranches
fromafallentree.Whenlimbing,
leavelargerlowerlimbstosupport
thelogotheground.Removethe
smalllimbsinonecut.Branches
undertensionshouldbecutfrom
thebottomuptoavoidbindingthe
chainsaw(Fig.17).
TREE LIMBING
LIMB CUT
KEEP WORK OFF GROUND
LEAVE SUPPORT LIMBS UNTIL LOG IS CUT
Fig. 17
4
)
 BUCKINGALOG
Buckingiscuttingaloginto
lengths.Itisimportanttomakesure
footingisrmandweightisevenly
distributedonbothfeet.When
possible,thelogshouldberaised
andsupportedbytheuseoflimbs,
logsorchocks.