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Alpina EA 2000 Q Manual

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USING THE MACHINE 11
EN
– 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
Limbing is removing the branches from a fallen
tree. When limbing leave larger lower limbs to
support the log o the ground. Remove the small
limbs in one cut as illustrated in Figure 17. Bran-
ches under tension should be cut from the bottom
up to avoid binding the chain saw.
Be careful of where the
bran ches are lying on the ground, the risk of
them being under tension, the direction the
branch may go during cutting and the risk of
the tree being unstable after the branch has
been cut.
• Bucking a log
Bucking is cutting a log into lengths. It is important
to make sure your footing is rm 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. Follow the simple
directions for easy cutting.
– When the log is supported along its entire
length as illustrated in Figure 18A, it is cut from
the top (overbuck).
– When the log is supported on one end, as illus-
trated in Figure 18B, cut 1/3 the diameter from
the underside (underbuck). Then make the
nished cut by overbucking to meet the rst cut.
– When the log is supported on both ends, as
illustrated in Figure 18C, cut 1/3 the diam-
eter from the top (overbuck). Then make the
nished cut by underbucking the lower 2/3 to
meet the rst cut.
– It is easier to saw a log using the spiked bum per
(Figure 18D).
• Dig the spiked bumper into the log and use it
as a pivot. Cut with an arched motion to make
the bar penetrate the wood.
• Repeat several times if necessary, changing
the point where you plant the spiked bum per.
WARNING!
– When bucking on a slope always stand on the
uphill side of the log, as illustrated in Figure 19.
When “cutting through”, to maintain complete
control release the cutting pressure near the
end of the cut without relaxing your grip on the
chain saw handles. Don’t let the chain contact
the ground.
After completing the cut, wait for the saw chain
to stop before you move the chain saw. Al ways
stop the motor before moving from tree to tree.
3. END OF OPERATIONS
When you have nished your work:
– Switch off the engine as indicated above
(Chap. 6).
– Wait for the chain to stop and allow the machine
to cool.
– Remove any traces of sawdust or oil deposits
from the chain.
– If there is excessive dirt or resin build-up, dis-
assemble the chain and place it in a container
with a specic cleanser. Then rinse it with clean
water and treat it with a suitable anticorrosive
spray, before reassembling on the machine.
– Fit the bar cover before reassembling the ma-
chine.
Allow the engine to cool
be f ore storing in any enclosure.
To reduce re hazards, clean the machine
thoroughly to get rid of any sawdust, branch-
es, leaves or excess grease, never leave
containers with the cut debris inside the
storage area.
WARNING!
… 17 …


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