GreenWorks 2000507 Operator's Manual page 21

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FR DE ES IT PT
WARNING
Never operate the chain saw without suffi cient chain
lubrication as this might damage the saw and is a threat
to safety. Check the chain lubricant level before each
In order to prevent kickback, please follow these safety
instructions:
Never cut with the tip of the guide bar! Be careful when
continuing from previous cuts.
Always start cutting only when the chain saw is already
running.
Make sure that the saw chain is always properly
sharpened.
Never cut through more than one branch at a time!
When lopping off branches, be careful not to touch any
other branches.
When cross cutting, pay attention to trunks standing
very close to each other. If possible, use a sawing trestle.
HOLDING THE CHAIN SAW See figure 8
Always hold the chain saw with your right hand at the
rear handle and your left hand at the front handle.
Grip both handles with the thumbs and
the handles. Ensure that your left hand is holding the front
handle so that your thumb is underneath.
STARTING OPERATION
Before starting for operation, you should install the
battery pack in the machine.
Press the on/off switch (item 43), this makes the
switch trigger operational.
Start the machine: the Safety lock off button (item
Press
4), and then pressure the switch trigger (item 5).
STOPPING OPERATION
Release the power switch trigger (item 5) to stop the
chain saw.
OPERATING THE CHAIN BRAKE
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
firmly with both hands while the motor is running.
BASIC FELLING, LIMBING, AND CROSS-CUTTING
TECHNIQUES See figure 9
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English
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 being
use!
felled. 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 notified
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 first, 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
See figure 22
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.
LIMBING A TREE
Limbing is removing the branches from a fallen tree. When
limbing, leave the larger lower limbs to support the log off
the ground. Remove the small limbs in one cut. Branches
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See figure 11
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