Lubricating Cutting Equipment; Checking Wear On Cutting Equipment - Husqvarna 323P4 Operator's Manual

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Use the combination spanner to tighten the blade nut
while holding up the tip of the bar. Check that you can
pull the saw chain round freely by hand.

Lubricating cutting equipment

WARNING! Poor lubrication of cutting
equipment may cause the chain to snap,
which could lead to serious, even fatal
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
If our own chain oil is not available, standard chain oil is
In areas where oil specifically for lubrication of saw chains
is unavailable, ordinary EP 90 transmission oil may be
Never use waste oil! This is dangerous for yourself, the
machine and the environment.
Filling with chain oil
The oil pump is preset at the factory to meet most lubrication
requirements. A full oil tank will last about half as long as a full
tank of fuel. You should therefore check the level of oil in the
oil tank regularly to avoid damage to the saw chain and bar
that could occur due to lack of lubrication.
10 –
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.
Adjusting chain lubrication
When cutting dry or hard species of wood it may be
necessary to increase lubrication. To adjust the oil flow, first
undo screw (A) then turn the adjuster screw (B) anticlockwise.
Re-tighten screw (A). Remember that this will increase the oil
consumption and you should therefore check the level in the
oil tank more frequently.
What to do if lubrication does not work:
Check that the oil channel in the bar is not obstructed.
Clean if necessary.
Check that the oil channel in the gear housing is clean.
Clean if necessary.
Check that the bar tip sprocket turns freely. If the chain
lubrication system is still not working after carrying out the
above checks you should contact your service workshop.

Checking wear on cutting equipment

Check the chain daily for:
Visible cracks in rivets and links.
Whether the chain is stiff.

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