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Never store engine with fuel in the tank in enclosed, poorly
ventilated areas, where fuel fumes may reach an open flame,
spark or pilot light such as in a furnace, water heater, clothes
dryer etc. Petrol fumes can cause an explosion or a fire. Do
not store large amounts of fuel.
CHAIN LUBRICATION
IMPORTANT
The service life of the bar and chain depends on good lubri-
cation.
Always use chain lubricating oil of medium viscosity. We
recommend special McCulloch chain lubricating oil.
Never use waste oil for this purpose. This results in damage
to the bar, the chain and the oil pump.
Refill the chain oil tank each time the saw is refuelled.
To prevent possible restarting problems avoid running the
fuel tank dry. This also helps to extend engine life.
NOTE: Saw chain stretches during use particularly when it
is new, and it will occasionally be necessary to adjust and
tighten it. A new chain will require adjustment after about
5 minutes of operation.
The mechanical oil pump for chain lubrication can be
adjusted.
The feed rate of the chain oil pump can be adjusted by means
of the regulating screw (A) (see details in the illustration).
STARTING AND STOPPING
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.
USAGE
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 dia-
meter (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 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.
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