Manual Husqvarna 439 (page 13 of 320) (English, German, Dutch, French, Italian, Portuguese, Spanish)

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GENERAL SAFETY PRECAUTIONS

English

–

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.

• Undo the bar nuts that hold the clutch cover/chain

brake. Use the combination spanner. Then tighten the

bar nuts by hand as tight as you can.

• 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 nuts

while lifting the tip of the bar at the same time. Check

that you can pull the chain round freely by hand and

that it does not sag from 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.

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 also use the

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.

H1156898-39,439,west,R1.fm Page 13 Monday, March 24, 2014 1:43 PM

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Husqvarna 439 Manual

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