Käyttöohje Powerworks PD60CS40 Ketjusaha

Käyttöohje

English (original instructions)

EN

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STOPPING OPERATION

 Release the switch trigger to stop the

chain saw.

OPERATING THE CHAIN BRAKE

See figure 22

Check the operating condition of the chain

brake prior to each use.

 Engage the chain brake by rotating

your left hand around the front handle,

allowing the back of your hand to push

the chain brake lever/hand guard toward

the bar while the chain is rotating rapidly.

Be sure to maintain both hands on the

saw handles at all times.

 Reset the chain brake back into the

RUN position by grasping the top of the

chain brake lever/hand guard and pulling

toward the front handle.

WARNING

If the chain brake do not stop the chain

immediately, or if the chain brake will not

stay in the run position without assistance,

take the saw to an authorized service center

for repair prior to use.

USING THE CHAIN SAW

Always be sure of your footing and hold the

chain saw rmly with both hands while the

motor is running.

BASIC FELLING, LIMBING, AND CROSS-

CUTTING TECHNIQUES See gure 9

FELLING A TREE

When bucking and felling operations are

being performed by two or more persons at

the same time, the felling operation should

be separated from the bucking operation by

a distance of at least twice the height of the

tree beingfelled.

Trees should not be felled in a manner that

would endanger any person, strike any utility

line or cause any property damage.If the tree

does make contact with any utility line, the

utility company should be notied

immediately. The chain saw operator should

keep on the uphill side of the terrain as the

tree is likely to roll or slide downhill after it

is felled. An escape path should be planned

and cleared as necessary before cuts are

started. The escape path should extend back

and diagonally to the rear of the expected line

of fall. Before felling is started, consider the

natural lean of the tree, the location of larger

branches and the wind direction to judge

which way the tree will fall. Remove dirt,

stones, loose bark, nails, and staples from

the tree.

NOTCHING UNDERCUT (A NOTCH CUT IN

A TREE TO DIRECT THE FALL) See Figure

10

Make the notch 1/3 in diameter of the tree,

perpendicular to the direction of falls. Make

the lower horizontal notching cut rst, this will

help to avoid pinching of either the saw

chain or the guide bar when the second notch

is being made.

FELLING BACK CUT (THE FINAL CUT IN

A TREE FELLING OPERATION, MADE ON

THE OPPOSITE SIDE OF THE TREE FROM

THE NOTCHING UNDERCUT)

See Figure 10

Make the felling back cut at least 50mm

higher than the horizontal notching cut. Keep

the felling back cut parallel to the horizontal

notching cut.Make the felling back cut so

as to leave enough wood 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.

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 aluminium to open the cut

and drop the tree along the desired line of

fall. When the tree begins to fall, remove the

chain saw from the cut, stop the motor, put

the chain saw down, and then use the retreat

path as planned. Be alert of overhead limbs

falling and watch your footing.

4

Arviointi

Lisää tästä ohjekirjasta

Ymmärrämme, että on mukavaa, että sinulla on paperikäyttöinen käyttöopas laitteellesi Powerworks PD60CS40 Ketjusaha. Voit aina ladata oppaan verkkosivuiltamme ja tulostaa sen itse. Jos haluat alkuperäisen käyttöoppaan, suosittelemme ottamaan yhteyttä osoitteeseen Powerworks. He saattavat pystyä toimittamaan alkuperäisen ohjekirjan. Etsitkö laitteen Powerworks PD60CS40 Ketjusaha käyttöopasta toisella kielellä? Valitse haluamasi kieli kotisivuiltamme ja etsi mallinumero nähdäksesi, onko sitä saatavilla.

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