Bedienungsanleitung McCulloch MAC 540E (Seite 6 von 9) (Englisch)

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ENGLISH - 4

IMPORTANT

Never start or operate unless bar and chain are properly

installed. Before starting always move the saw away

from the fuelling area and place it on a firm, flat surface,

the guide bar to the front.

STARTING A COLD ENGINE

1 Check that the chain brake is in the disengaged position

moving the lever (L) towards the front handle.

Move the stop switch upwards .

2 Slide the choke lever (A) to the CLOSED position (OUT).

Push the decompression valve (D) down if your models is

fitted with one.

3 Depress throttle trigger lock out (S). Depress throttle trig-

ger (G) and then operate throttle advance (P) moving it

backwards.

4 Hold the saw firmly as shown in illustration and pull the

starter rope until the engine fires once.

Beware of moving chain!

5 Move choke lever (A) to the OPEN position (IN). Push the

decompression valve (D) down if your models is fitted with

one.

Pull the starter rope until the engine starts.

Allow engine to warm up for ten seconds for better cutting

performance.

Squeeze the throttle trigger (G) to release the throttle

advance.

If engine fails to start, repeat these instructions.

6 The engine is stopped by depressing the STOP switch to

STOP position.

After lengthy use of the chain at full speed,we recommend

to run the engine for a few seconds at idle speed before

stopping it.

STARTING A WARM ENGINE

Check that the ignition switch is not in the “stop” position

and do not use the throttle lock.

Hold the saw firmly, press valve (D) for decompression and

pull the starter rope.

STARTING A WARM ENGINE AFTER RE-FUELLING

In the fuel tank as run completely dry, procede to start as

with a cold engine.

IMPORTANT

Before using a chain saw read the Operator’s Manual

and all safety precautions carefully.

FELLING TREES

– Make sure that there are no bystanders or animals in the

work area.

– Study the direction of the fall of the tree and then plan your

exit path away from the planned direction of fall.

– Don’t fell trees when there is a strong wind.

1 Clear the tree base of interfering limbs and brush. Clean

the work area from stones or other objects which could

damage the chain. If the tree has large protruding roots,

remove them before felling (see illustrations).

2 A) Cut a felling notch (A) of 45°on the side you want the

tree to fall to a depth of about one third of the trunk

diameter (d). Then make a felling cut (B) about 5 cm

higher than the felling notch on the opposite side of the

tree. Make sure that the felling cut does not go right

through the trunk. A hinge (C) must always be left to

provide control over the direction of the fall.

B) Use wedges to control the moment and direction of the

fall.

3 When the tree starts to fall, walk away along your pre-

planned escape path.

CUTTING FALLEN TRUNKS

4 A) Limbing thick branches. For limbing and bucking

leave the lower limbs to support the log off the ground.

B) Supported at one end only. Begin with a bottom cut

made by the upper side of the bar (A); the depth of the

cut should be about one third of the log diameter.

Finnish with a top cut (B) meeting the first one. With

this technique splitting, cracking can be avoided

C) Supported at both ends. Begin with a top cut about

one third of the log diameter. Then finish with a bottom

cut (B) meeting the first one. this technique avoids the

risk of pinching the bar in the log.

D) If the log is supported along its whole length it may be

cut normally from above. Take care not to touch the

ground with the chain.

• When working on a slope always stand on the uphill.

• When cutting prepared timber, use clamps or chocks to

secure work.

• Use extreme caution when cutting small size brush and

saplings which may catch the chain and pull you off bal-

ance.

F. Usage

E. Starting and stopping

G. Carburettor adjustment

We suggest carburetor adjustments are made by an author-

ized servicing dealer.

The carburetor has three adjustment screws:

• L: The needle screw L governs the fuel flow at low speed

and also the acceleration from low to full speed.

To set screw L: close screw L turning it clockwise without

forcing.

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