Husqvarna 435 II (9676758-35) [15/388] General safety precautions
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Husqvarna 435 II (9676758-35) [15/388] General safety precautions

Husqvarna 435 II (9676758-35) [15/388] General safety precautions
GENERAL SAFETY PRECAUTIONS
English – 15
1155355-93 Rev.4 2014-11-24
435 II, 440 II
• Loosen the bar nut that holds the clutch cover and
chain brake. Use the combination spanner. Then
retighten the bar nut as tightly as you can by hand.
(27)
• Raise the tip of the bar and stretch the chain by
tightening the chain tensioning screw using the
combination spanner. Tighten the chain until it does
not sag from the underside of the bar. (28)
• Use the combination spanner to tighten the bar nut
while holding up the tip of the bar. Check that you can
pull the saw chain round freely by hand, and that there
is no slack on the underside of the bar. (29)
The position of the chain tensioning screw on our chain
saws varies from model to model. See instructions under
the heading What is what? to find out where it is on your
model.
435e II, 440e II
• Release the knob by folding it out. (30)
• Turn the knob anti clockwise to loosen the bar cover.
(31)
• Adjust the tension on the chain by turning the wheel
down (+) for tighter tension and up (-) to loosen the
tension. (32)
• Tighten the bar clutch by turning the knob clockwise.
(33)
• Fold the knob back in to lock the tensioning. (34)
Lubricating cutting equipment
Chain oil
Chain oil must demonstrate good adhesion to the chain
and also maintain its flow characteristics regardless of
whether it is warm summer or cold winter weather.
As a chain saw manufacturer we have developed an
optimal chain oil which, with its vegetable oil base, is also
biodegradable. We recommend the use of our own oil for
both maximum chain life and to minimise environmental
damage. If our own chain oil is not available, standard
chain oil is recommended.
Never use waste oil! Using waste oil can be dangerous
to you and damage the machine and environment.
Filling with chain oil
• All our chain saws have an automatic chain lubrication
system. On some models the oil flow is also
adjustable.
• The saw chain oil tank and the fuel tank are designed
so that the fuel runs out before the saw chain oil.
However, this safety feature requires that you use the
right sort of chain oil (if the oil is too thin it will run out
before the fuel), and that you adjust the carburetor as
recommended (a lean mixture may mean that the fuel
lasts longer than the oil) and that you also use the
recommended cutting equipment (a bar that is too
long will use more chain oil).
Checking chain lubrication
• Check the chain lubrication each time you refuel.
Aim the tip of the bar at a light coloured surface about
20 cm (8 inches) away. After 1 minute running at 3/4
throttle you should see a distinct line of oil on the light
surface.
If the chain lubrication is not working:
• Check that the oil channel in the bar is not obstructed.
Clean if necessary. (35)
• Check that the groove in the edge of the bar is clean.
Clean if necessary. (36)
• Check that the bar tip sprocket turns freely and that
the lubricating hole in the tip sprocket is not blocked.
Clean and lubricate if necessary. (37)
If the chain lubrication system is still not working after
carrying out the above checks and associated measures
you should contact your service agent.
Chain drive sprocket
The clutch drum is fitted with one of the following drive
sprockets:
A Spur sprocket (the chain sprocket is welded on the
drum)
B Rim sprocket (replaceable) (38)
Regularly check the degree of wear on the drive sprocket.
Replace if wear is excessive. Replace the drive sprocket
whenever you replace the chain.
!
WARNING! Poor lubrication of cutting
equipment may cause the chain to snap,
which could lead to serious, even fatal
injuries.
IMPORTANT! When using vegetable based saw chain
oil, dismantle and clean the groove in the bar and saw
chain before long-term storage. Otherwise there is a risk
of the saw chain oil oxidizing, which will result in the saw
chain becoming stiff and the bar tip sprocket jamming.

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GENERAL SAFETY PRECAUTIONS 43511 440 II Never use waste oil Using waste oil can be dangerous to you and damage the machine and environment Loosen the bar nut that holds the clutch cover and chain brake Use the combination spanner Then retighten the bar nut as tightly as you can by hand 27 IMPORTANT When using vegetable based saw chain oil dismantle and clean the groove in the bar and saw chain before long term storage Otherwise there is a risk of the saw chain oil oxidizing which will result in the saw chain becoming stiff and the bar tip sprocket jamming Raise the tip of the bar and stretch the chain by tightening the chain tensioning screw using the combination spanner Tighten the chain until it does not sag from the underside of the bar 28 Filling with chain oil Use the combination spanner to tighten the bar nut while holding up the tip of the bar Check that you can pull the saw chain round freely by hand and that there is no slack on the underside of the bar 29 The saw chain oil tank and the fuel tank are designed so that the fuel runs out before the saw chain oil The position of the chain tensioning screw on our chain saws varies from model to model See instructions under the heading What is what to find out where it is on your model 435e II 440e II All our chain saws have an automatic chain lubrication system On some models the oil flew is also adjustable However this safety feature requires that you use the right sort of chain oil if the oil is too thin it will run out before the fuel and that you adjust the carburetor as recommended a lean mixture may mean that the fuel lasts longer than the oil and that you also use the recommended cutting equipment a bar that is too long will use more chain oil Checking chain lubrication Check the chain lubrication each time you refuel Release the knob by folding it out 30 Turn the knob anti clockwise to loosen the bar cover 31 Aim the tip of the bar at a light coloured surface about 20 cm 8 inches away After 1 minute running at 3 4 throttle you should see a distinct line of oil on the light surface If the chain lubrication is not working Adjust the tension on the chain by turning the wheel down for tighter tension and up to loosen the tension 32 Check that the oil channel in the bar is not obstructed Clean if necessary 35 Tighten the bar clutch by turning the knob clockwise 33 Check that the groove in the edge of the bar is clean Clean if necessary 36 Fold the knob back in to lock the tensioning 34 Check that the bar tip sprocket turns freely and that the lubricating hole in the tip sprocket is not blocked Clean and lubricate if necessary 37 Lubricating cutting equipment WARNING Poor lubrication of cutting equipment may cause the chain to snap which could lead to serious even fatal injuries If the chain lubrication system is still not working after carrying out the above checks and associated measures you should contact your service agent Chain drive sprocket Chain oil Chain oil must demonstrate good adhesion to the chain and also maintain its flow characteristics regardless of whether it is warm summer or cold winter weather As a chain saw manufacturer we have developed an optimal chain oil which with its vegetable oil base is also biodegradable We recommend the use of our cwn oil for both maximum chain life and to minimise environmental damage If our own chain oil is not available standard chain oil is recommended 1155355 93 Rev 4 2014 11 24 The clutch drum is fitted with one of the following drive sprockets A Spur sprocket the chain sprocket is welded on the drum B Rim sprocket replaceable 38 Regularly check the degree of wear on the drive sprocket Replace if wear is excessive Replace the drive sprocket whenever you replace the chain English 15

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