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Tensioning the chain, Lubricating cutting equipment, General safety precautions – Husqvarna 338XPT User Manual

Page 13

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GENERAL SAFETY PRECAUTIONS

English

13

Adjustment of depth gauge setting

The cutting teeth should be newly sharpened before
adjusting the depth gauge setting. We recommend
that you adjust the depth gauge setting every third
time you sharpen the cutting teeth. NOTE! This
recommendation assumes that the length of the
cutting teeth is not reduced excessively.

You will need a flat file and a depth gauge tool. We
recommend that you use our depth gauge tool to
acheive the correct depth gauge setting and bevel for
the depth gauge.

Place the depth gauge tool over the chain. Detailed
information regarding the use of the depth gauge tool,
will be found on the package for the depth gauge tool.
Use the flat file to file off the tip of the depth gauge that
protrudes through the depth gauge tool. The depth
gauge setting is correct when you no longer feel
resistance as you draw the file along the depth gauge
tool.

Tensioning the chain

The more you use a chain the longer it becomes. It is
therefore important to adjust the chain regularly to take up
the slack.

Check the chain tension every time you refuel. NOTE! A
new chain has a running-in period during which you
should check the tension more frequently.

Tension the chain as tightly as possible, but not so tight
that you cannot pull it round freely by hand.

Loosen the bar nut that holds the clutch cover and
chain brake. Use the combination spanner.

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.

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.

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.

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.

!

WARNING! A slack chain may jump off
and cause serious or even fatal injury.

!

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.