Husqvarna 323P4 Manuel d'utilisateur télécharger pdf (Page 10)

10 –

English

GENERAL SAFETY PRECAUTIONS

Sharpening your chain and adjusting raker

clearance

General information on sharpening cutting teeth

• Never use a blunt chain. When the chain is blunt you have

to exert more pressure to force the bar through the wood

and the cuttings will be very small. If the chain is very blunt

it will not produce any cuttings at all. Wood powder would

be the only result.

• A sharp chain eats its way through the wood and

produces long, thick cuttings.

• The cutting part of the chain is called the cutting link and

this consists of a cutting tooth (A) and the raker lip (B). The

cutting depth is determined by the difference in height

between the two.

• When you sharpen a cutting tooth there are ﬁve important

factors to remember.

- Filing angle

- Cutting angle

- File position

- Round ﬁle diameter

- File depth

It is very difﬁcult to sharpen a chain correctly without the right

equipment. We recommend that you use our ﬁle gauge. This

will help you obtain the maximum kickback reduction and

cutting performance from your chain.

Sharpening cutting teeth

To sharpen cutting teeth you will need a round ﬁle and a ﬁle

gauge.

• Check that the chain is correctly tensioned. A slack chain

will move sideways, making it more difﬁcult to sharpen

correctly.

• Always ﬁle cutting teeth from the inside face outwards.

Reduce the pressure on the return stroke. File all the teeth

on one side of the bar ﬁrst. Then turn the saw over and ﬁle

the remaining teeth from the other side.

WARNING! The risk of kickback is increased

with a badly sharpened chain!

WARNING! The following faults will increase

the risk of kickback considerably:

File angle too large

Cutting angle too small

File diameter too

small

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Husqvarna 323P4 Manuel d'utilisateur Page 10

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