4
English
BEFORE OPERATION
The tank holds enough oil for approximately 15 minutes
of sawing at one time. When filling the oil tank, avoid
spilling oil over the saw and ensure that sawdust etc.
does not enter the tank.
CHAIN BRAKE HANDGUARD (Fig. 7)
This chain saw is equipped with a Chain Brake Handguard
(2) to help protect you in the event of kickback. When the
Chain Brake Handguard is pushed forward by your hand,
the saw chain automatically stops.
Releasing the chain brake:
To be able to use your chainsaw again, the saw chain
must be unlocked. Firstly, switch off the machine, release
the trigger completely and then push the Chain Brake
Handguard back into the vertical position until it locks
in place. The chain brake is now fully functional again.
OPERATION
Wear eye protection while using your saw.
Wear ear protection when using saw for
extended periods.
Ensure that the oil tank is full before use.
HOLDING THE CHAIN SAW (Fig. 8)
Always grip both handles with the thumbs and fingers
encircling the handles. Ensure that your left hand is
holding the handle so that thumb is underneath.
USING THE CHAIN SAW
Always be sure of your footing and hold the chainsaw
firmly with both hands while the motor is running.
FELLING A TREE (Fig. 8 - 9)
When logging a felled tree and felling operations are
being performed simultaneously by two or more
operators, the felling operation should be separated from
the logging operation by a distance of at least twice the
height of the tree being 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 chainsaw operator should keep on the uphill side of
the terrain as the tree is likely to roll or slide downhill after
it is felled. A retreat path should be planned and cleared
as necessary before cuts are started. Before 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, staples and wire
from the tree before felling cuts are to be made.
NOTCHING UNDERCUT (A notch cut in a tree
to direct the fall) (Fig. 10)
Make the notch 1/3 the diameter of the tree,
perpendicular to the direction of fall. 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)
Make the felling back cut at least 50 mm higher than the
horizontal notching cut. 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.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 off all. When the tree begins to
fall remove the chain saw from the cut, stop the motor,
put the chain saw down, then use the retreat path
planned. Be alert for overhead limbs falling and watch
your footing.
LIMBING A TREE (Fig. 11)
Limbing is removing the branches from a fallen tree.
When limbing, leave larger lower limbs to support the log
off the ground. Remove the small limbs in one cut.
Branches under tension should be cut from the bottom up,
to avoid binding the chain saw.
BUCKING A LOG (The process of cross cutting
afelled tree or log into lengths) (Fig. 12 - 14)
Bucking is cutting a log into lengths. It is important to
make sure your footing is firm and your weight is evenly
distributed on both feet. When possible the log should be
raised and supported by the use of limbs, logs or chocks.
GB
Summary of Contents for ECW-1835
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