Handleiding Partner P33XT (pagina 10 van 15) (Duits, Engels, Frans, Spaans)

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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 Cut wood only. Do not cut metal, plastics,

masonry, non-wood building materials,

etc.

S The bumper spike may be used as a pivot

when making a cut.

S Stop the saw if the chain strikes a foreign

object. Inspect thesaw andrepair parts as

necessary.

S Keepthe chainoutofdirtand sand. Evena

small amount of dirt will quickly dull achain

and increase the possibility of kickback.

S Practice cutting a few small logs using the

following techniques to get the “feel” of us-

ing your saw before you be gin a major

sawing op eration.

S Squeeze the throttle trigger and allow the

engine to reach full speed before cutting.

S Begin cutting with the saw frame

against the log.

S Keep the engine at full speed the entire

time you are cutting.

S Allowthe chainto cut foryou. Exertonly

light downward pressure.

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

throttle without a cutting load,unneces-

sary wear can occur.

S To avoid losing control when cut is com-

plete, do not put pressure on saw at end

of cut.

S Stop the engine before setting the saw

down.

TREE FELLING TECHNIQUES

WARNING:Do notcut nearbuildings

or electrical wires if you do not know the di-

rection of tree fall, at night since you will not

be able to see well, or during bad weather

such as rain, snow , or strong winds. as fall is

unpredictable.

Carefully plan your sawing operation in ad-

vance. You need a clear area all around the

tree so you can have secure footing. Check

for broken or dead branches which can fall

on you causing serious injury.

Natural conditions that can cause a tree to

fall in a particular direction include:

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. Use a plumb or level to de-

termine the direction of tree lea n.

S Weight and branches on one side.

S Surrounding trees and obstacles.

Look for decay and rot. If the trunk is rotted,

it can snap and fall toward the operator.

Make sure there is enough room for the tree to

fall. Maintain a distance of

2-1/2 tree lengths

from the nearest person or other objects. En-

gine noise can drown out a warning call.

Remove dirt, stones, loose bark, nails, staples,

and wire from the tree where cuts are to be

made.

Direction of Fall

45_

Plan a clear retreat path

FELLING LARGE TREES

(15cmindiameterorlarger)

The notch method is used to fell large trees.

A notch is cut on the side ofthe treein 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.

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

ofthe tree. Next complete thenotch bycut-

ting the bottom of the notch. See illustra-

tion. Once the notch is cut remove the

notch of wood from the tree.

Notch

First cut

Second cut

Final cut here. 5 cm above

center of notch.

5cm

S After removing the wood from the notch,

make the felling cut on the opposite side of

the notch. This is done by making a cut

about two inches higher than the center of

the notch. This will leave eno ugh uncut

wood between the felling cut and the notch

to form a hinge. This hinge will help pre-

vent thetree fromfalling in thewrong direc-

tion.

Opening

of felling

cut

Closing

of notch

Hinge holds tree on stump and helps

control fall

NOTE: Before felling cut is complete, use

wedges to open the cut when necessary to

controlthedirection offall. Toavoidkickback

or chain damage, use wood or plastic

wedges, but never steel or iron wedges.

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