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B) Use wedges to control the moment and direction of the
fall.
3 When the tree starts to fall, walk away along your preplan-
ned 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 balance.
CARBURETTOR
ADJUSTMENT
We suggest carburetor adjustments are made by an authori-
zed 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.
Then open screw 1-1/4 full turn (counterclockwise) .
If acceleration is not smooth, open another 1/8 turn to
increase fuel flow .
H: The needle screw H governs fuel flow at high speed
(throttle valve fully open).
To set hi speed screw H: close screw H turning it clockwi-
se without forcing .
Then open screw 3/4-1 full turn (counterclockwise) .
If the engine speed is too high, open the screw about 1/8
turn (counterclockwise).
I: The I (IDLE) screw controls the throttle opening to
govern idle speed adjust as necessary.
CAUTION: increased idle speed may cause chain movement.
The carburetor is adjusted for normal operation during pro-
duction. When considerable changes of altitude require a
supplementary adjustment, contact an authorised service sta-
tion which offers the latest in tools, parts and technical assi-
stance.
G
ROUTINE MAINTENANCE
Ensure engine is always switched off before any kind of
maintenance operation.
CHAIN: Check tension regularly. A new chain will require
more frequent adjustment. Loosen retention nuts. Tighten
chain (see assembly instructions). Tighten retention nuts and
adjust.
1 BAR
Clean the bar groove (K) and check the lubrication holes
(L) in the bar to ensure that they are not clogged.
Grease sprocket periodically. Rotate sprocket and
repeat.
– Rotate bar periodically to maximise bar life.
2 AIR FILTER
A dust clogged air filter may cause carburetor problems.
This may prevent the engine from reaching its maximum
r.p.m. and cause high fuel consumption.
– Remove cover.
Wash filter in petrol (do not use fuel which is mixed with
oil).
– The filter can also be cleaned with compressed air.
Replace filter if damaged or if it does not seal tightly in
the air box.
3 SPARK PLUG
Remove and clean the spark plug every 30 hours. Check
the electrode gap (0,5/0,6 mm. - 0.025 inches).
Replace spark plug about every 100 working hours or
whenever it is extremely encrusted.
– Heavily encrusted electrodes can result from an incorrect
carburetor setting or from wrong fuel mixture (too much
oil in the fuel mix) or a poor quality of oil in the fuel mix.
Check and correct.
4 OIL FILTER
The oil filter is on the end of the oil suction hose inside the
oil tank.
Remove the chain catcher by twisting it anticlockwise and
remove the oil filter. Use a piece of bent wire or long forceps.
To remove deposits from the oil tank half-fill it with kerose-
ne or petrol and shake thoroughly. Drain off and fill the
tank with fresh saw chain oil.
Never use waste oil.
5 FUEL FILTER
To change fuel filter remove the tank cap and pull out the
filter with a piece of bent wire or long forceps. Replace the
filter as shown in the illustration and reposition it.
It is recommended to replace the fuel filter at least once a
year.
CHAIN BRAKE
WARNING: Contact your service dealer if anything
appears wrong with your chain brake. Do not disassem-
ble or manipulate the mechanism of the chain brake.
Clean the brake mechanism periodically (without disas-
sembling it) and control the wear of the band visually.
PERIODICALLY: It is important to clean the saw thoroughly
particularly around cylinder fins to avoid overheating of the
engine.
LONG STORAGE: Empty fuel and run engine until dry.
H
4
UK
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