Poulan PP4620AVX Chainsaw User Manual


 
11
S If the brake is already activated, it is
disengagedbypullingthefronthandguard
back toward the front handle as far as
possible.
S Whencuttingwiththesaw ,thechainbrake
must be disengaged.
Disengaged
Engaged
Braking function control
CAUTION:
The chain brake must be
checked several times daily. The engine must
be running when performing this procedure.
This is the only instance when t he saw should
be placed on the ground with the engine run-
ning.
Place the saw on firm ground. Grip the rear
handlewithyourrighthandandthefronthan-
dle with your left hand. Apply full throttle by
fully depressing thethrottle t rigger. Activate
the chain brake by turning your left w rist
against the hand guard without releasing
your grip aroundthe front handle. Thechain
should stop immediately.
Inertia activating function control
WARNING: When performing the
following procedure, the e ngine must be
turned off.
Grip therear handlewithyourrighthandand
thefronthandlewithyourlefthand. Holdthe
chain sawapproximately 14(35cm) above
a stump or other wooden surface. Release
your grip on the front handle and use the
weightofthesawtoletthetipoftheguidebar
fallforwardandcontactthestump. Whenthe
tipofthebarhitsthestump,thebrakeshould
activate.
CUTTING METHODS
IMPORTANT POINTS
S Check chain tension before first use and
after 1 minute of operation. See CHAIN
TENSION in the ASSEMBLY section.
S Cutwood only. Do notcut metal,plastics,
masonry, non-wood building materials,
etc.
S Stop t he saw if the chain strikes a foreign
object. Inspect the saw and repair or re-
place parts as necessary.
S Keep the chain out of dirt and sand. Even a
small amount of dirt will quickly dull a chain
andthusincrease th epossibility o fkickback.
S Practice cutting afew smalllogs usingthe
followingtechniques togetthe“feel” ofus-
ing your saw before you begin a major
sawing operation.
S Squeeze the throttle trigger andallowthe
engine to reach full speed before cutting.
S Begin cutting with the saw frame
against the log.
S Keeptheengine atfullspeed theentire
time you are cutting.
S Allowthechaintocutforyou.Exertonly
light downward pressure. If you force
thecut,damagetothebar,chain,oren-
gine can result.
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.
S Toavoidlosingcontrolwhencutiscom-
plete,d onotputpressureonsawatend
of cut.
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 injur y. Donotcutnearbuild-
ingsor electricalwiresifyoudonotknowthe
directionoftreefall,norcutatnightsinceyou
will not be ale to see well, nor during bad
weathersuchasrain, snow,orstrongwinds,
etc. Ifthetree makes contactwith an yutility
line, the utility company should be notified
immediately .
S Carefullyplanyoursawingoperationinad-
vance.
S Cleartheworkarea. Youneedacleararea
allaroundthetreesoyoucanhavesecure
footing.
S Study the natural conditions that can
cause the tree to fall in a particular direc-
tion.
Natural conditions that can cause a tree to
fall in a particular direction include:
S Thewind direction and speed.
S The lean of the tree. The lean of a tree
might not be apparent due to uneven or
slopingterrain. Useaplum borleveltode-
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 isrotted,
it can snap and fall toward the operator.
Check for broken or dead branches which
can fall on you while cutting.
Make sure there i s enoughroomfor thetree
to fall. Maintain a distance of
2-1/2 tree
lengths fromthenearest personor otherob-
jects. Enginenoisecandrownoutawarning
call.
Remove dirt, stones, loose bark, nails, sta-
ples,andwirefromthetreewherecutsareto
be made.
Planaclearretreat pat hto therearanddiag-
onal to the line of fall.