Bedienungsanleitung Alpina EA 1800 (Seite 17 von 24) (Alle Sprachen)

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USING THE MACHINE 11

– 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!

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Alpina EA 1800 Seite 17

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