Инструкция для HUSQVARNA T425

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GENERAL SAFETY PRECAUTIONS

12 – English

The cutting part of the chain is called the cutter and 
consists of a cutting tooth (A) and the depth gauge 
(B). The cutters cutting depth is determined by the 
difference in height between the two (depth gauge 
setting).

When you sharpen a cutting tooth there are four important 
factors to remember.

1

Filing angle

2

Cutting angle

3

File position

4

Round file diameter

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.

See instructions under the heading Technical data for 
information about sharpening your chain.

Sharpening cutting teeth

To sharpen cutting teeth you will need a round file and a 
file gauge. See instructions under the heading Technical 
data for information on the size of file and gauge that are 
recommended for the chain fitted to your chain saw.

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. Reduce 
the pressure on the return stroke. File all the teeth on 
one side first, then turn the chain saw over and file the 
teeth on the other side.

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.

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.

!

WARNING! Departure from the 
sharpening instructions considerably 
increases the risk of kickback.

!

WARNING! The risk of kickback is 
increased if the depth gauge setting is 
too large!

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