Note: In complicated situations the only safe method
is to put aside your chainsaw and use a winch.
3. Position yourself so that you will be clear of the tree
or branch when the tension is released. (Fig. 83)
4. Make one or more cuts at or near the point of
maximum tension. Make as many cuts of sufficient
depth as necessary to reduce the tension and make
the tree or branch break at the point of maximum
tension. (Fig. 84)
WARNING: Never cut straight through a
tree or branch that is in tension.
WARNING: Take great care when
cutting a tree that is in tension. A tree
that is in tension may spring back to its
normal position before or after being cut.
If you position yourself incorrectly or
make the cut in the wrong place the tree
may hit you or the product and cause
you to lose control. Both situations can
cause serious personal injury.
5. If you must cut across tree/limb, make two to three
cuts, one inch apart, one to two inches deep. (Fig.
85)
6. Continue to cut deeper until tree/limb bends and
tension is released. (Fig. 86)
7. Cut tree/limb from outside the bend, after tension
has been released.
Winter use
Running problems can occur when you use the product
in the cold and snowy conditions caused by too low
engine temperature and icing of the air filter and
carburettor. It is therefore often required to partly mask
the air inlet on the starter to increase the working
temperature of the engine.
Temperature -5°C or colder
A special cover is availble to run the product in cold
weather or powder snow.
The cover is mounted on the starter housing. This
reduces the intake of cold air and prevents large
amounts of snow from being sucked in.
CAUTION: If you fit the special winterising
kit or if any measures have been taken to
increase the temperatures, these changes
must be reversed before the product is used
in normal temperature conditions. Otherwise
there is a risk that the product overheats,
which results in severe damage to the
engine.
CAUTION: Any maintenance other than that
described in this manual must be carried out
by your servicing dealer.
Maintenance
Introduction
WARNING: Read and understand the safety
chapter before you do maintenance on the
product.
Carburettor adjustment
Your Husqvarna product has been designed and
manufactured to specifications that reduce harmful
exhaust fumes.
Function
• The carburettor governs the speed of the engine via
the throttle trigger. Air and fuel are mixed in the
carburettor. The air/fuel mixture is adjustable.
Correct adjustment is essential to get the best
performance from the product.
• The T-screw regulates the throttle setting at idle
speed. If the T-screw is turned clockwise this gives a
higher idle speed; turning it anti-clockwise gives a
lower idle speed.
Basic settings and running in
The basic carburettor settings are adjusted during
testing at the factory. Fine adjustment should be carried
out by a skilled technician. For recommended idle
speed, see the technical data section.
To do the fine adjustment of the idle speed
T
Adjust the idle speed with the T-screw if it is necessary
to re-adjust.
1. Turn the T-screw clockwise while the engine is
running. Turn the T-screw until the sawchain starts
to rotate.
2. Turn anti-clockwise until the sawchain stops.
If the idle speed is correctly adjusted the engine should
run smoothly in every position and the engine speed
should be safely below the speed at which the saw
chain starts to rotate.
WARNING: Contact your servicing dealer if
the idle speed setting can not be adjusted so
that the saw chain stops. Do not use the
30
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