Manual Husqvarna 236 (page 12 of 464) (English, German, Dutch, Danish, French, Italian, Polish, Portuguese, Swedish, Turkish, Spanish, Norwegian, Finnish)

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GENERAL SAFETY PRECAUTIONS

12 – English

1153134-26 Rev. 3 2010-02-11

• File all the teeth to the same length. When the length of

the cutting teeth is reduced to 4 mm (0.16") the chain is

worn out and should be replaced. (8)

General advice on adjusting depth gauge setting

• When you sharpen the cutting tooth (A) the depth gauge

setting (C) will decrease. To maintain optimal cutting

performance the depth gauge (B) has to be ﬁled down

to achieve the recommended depth gauge setting. See

instructions under the heading Technical data to ﬁnd the

correct depth gauge setting for your particular chain.

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. (9)

• 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. (10)

• 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. (11)

• 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. (12)

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. See

instructions under the heading Lubricating the bar tip

sprocket.

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.

• Check that the groove in the edge of the bar is clean.

Clean if necessary.

WARNING! The risk of kickback is

increased if the depth gauge setting is

too large!

WARNING! A slack chain may jump off

and cause serious or even fatal injury.

WARNING! Always wear approved

protective gloves. Even a non-moving

chain can cause serious cuts to yourself

or persons you bump into with an

exposed 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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Husqvarna 236 Manual

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